diff --git a/fixtures/concurrent/time-slicing/src/Clock.js b/fixtures/concurrent/time-slicing/src/Clock.js
index 102bf9a33279..32f0da3b2665 100644
--- a/fixtures/concurrent/time-slicing/src/Clock.js
+++ b/fixtures/concurrent/time-slicing/src/Clock.js
@@ -64,9 +64,7 @@ export default class Clock extends PureComponent {
     }
   }
 
-  componentDidUpdate() {
-    console.log('componentDidUpdate()', this.faceRef.current);
-  }
+  componentDidUpdate() {}
 
   componentWillUnmount() {
     this.faceRef.current.removeEventListener('click', this.handleClick);
diff --git a/fixtures/devtools/scheduling-profiler/run.js b/fixtures/devtools/scheduling-profiler/run.js
index 9006956915ae..98eb7318207d 100755
--- a/fixtures/devtools/scheduling-profiler/run.js
+++ b/fixtures/devtools/scheduling-profiler/run.js
@@ -30,7 +30,6 @@ function initDependencies() {
   DEPENDENCIES.forEach(([from, to]) => {
     const fromPath = join(__dirname, BUILD_DIRECTORY, from);
     const toPath = join(__dirname, DEPENDENCIES_DIRECTORY, to);
-    console.log(`Copying ${fromPath} => ${toPath}`);
     copyFileSync(fromPath, toPath);
   });
 }
@@ -69,9 +68,7 @@ function initServer() {
   };
 
   const server = http.createServer(requestListener);
-  server.listen(port, host, () => {
-    console.log(`Server is running on http://${host}:${port}`);
-  });
+  server.listen(port, host, () => {});
 }
 
 initDependencies();
diff --git a/fixtures/dom/public/renderer.js b/fixtures/dom/public/renderer.js
index fa8eca8b632e..ef41bb286620 100644
--- a/fixtures/dom/public/renderer.js
+++ b/fixtures/dom/public/renderer.js
@@ -117,7 +117,6 @@
   }
 
   function handleError(error) {
-    console.log(error);
     failed = true;
     setStatus('Javascript Error');
     output.innerHTML = error;
diff --git a/fixtures/fizz/scripts/build.js b/fixtures/fizz/scripts/build.js
index 452f7c750f61..eb4334c2f219 100644
--- a/fixtures/fizz/scripts/build.js
+++ b/fixtures/fizz/scripts/build.js
@@ -43,11 +43,8 @@ webpack(
     }
     const info = stats.toJson();
     if (stats.hasErrors()) {
-      console.log('Finished running webpack with errors.');
       info.errors.forEach(e => console.error(e));
       process.exit(1);
-    } else {
-      console.log('Finished running webpack.');
-    }
+    } else {}
   }
 );
diff --git a/fixtures/fizz/server/server.js b/fixtures/fizz/server/server.js
index 38519e574310..4bb2c166bc31 100644
--- a/fixtures/fizz/server/server.js
+++ b/fixtures/fizz/server/server.js
@@ -60,9 +60,7 @@ app.use(express.static('build'));
 app.use(express.static('public'));
 
 app
-  .listen(PORT, () => {
-    console.log(`Listening at ${PORT}...`);
-  })
+  .listen(PORT, () => {})
   .on('error', function(error) {
     if (error.syscall !== 'listen') {
       throw error;
diff --git a/fixtures/flight/scripts/build.js b/fixtures/flight/scripts/build.js
index 20d12bd2ed56..3131f7e8c6b0 100644
--- a/fixtures/flight/scripts/build.js
+++ b/fixtures/flight/scripts/build.js
@@ -70,23 +70,13 @@ checkBrowsers(paths.appPath, isInteractive)
   .then(
     ({stats, previousFileSizes, warnings}) => {
       if (warnings.length) {
-        console.log(chalk.yellow('Compiled with warnings.\n'));
-        console.log(warnings.join('\n\n'));
-        console.log(
-          '\nSearch for the ' +
-            chalk.underline(chalk.yellow('keywords')) +
-            ' to learn more about each warning.'
-        );
         console.log(
           'To ignore, add ' +
             chalk.cyan('// eslint-disable-next-line') +
             ' to the line before.\n'
         );
-      } else {
-        console.log(chalk.green('Compiled successfully.\n'));
-      }
+      } else {}
 
-      console.log('File sizes after gzip:\n');
       printFileSizesAfterBuild(
         stats,
         previousFileSizes,
@@ -94,7 +84,6 @@ checkBrowsers(paths.appPath, isInteractive)
         WARN_AFTER_BUNDLE_GZIP_SIZE,
         WARN_AFTER_CHUNK_GZIP_SIZE
       );
-      console.log();
 
       const appPackage = require(paths.appPackageJson);
       const publicUrl = paths.publicUrlOrPath;
@@ -111,30 +100,20 @@ checkBrowsers(paths.appPath, isInteractive)
     err => {
       const tscCompileOnError = process.env.TSC_COMPILE_ON_ERROR === 'true';
       if (tscCompileOnError) {
-        console.log(
-          chalk.yellow(
-            'Compiled with the following type errors (you may want to check these before deploying your app):\n'
-          )
-        );
         printBuildError(err);
       } else {
-        console.log(chalk.red('Failed to compile.\n'));
         printBuildError(err);
         process.exit(1);
       }
     }
   )
   .catch(err => {
-    if (err && err.message) {
-      console.log(err.message);
-    }
+    if (err && err.message) {}
     process.exit(1);
   });
 
 // Create the production build and print the deployment instructions.
 function build(previousFileSizes) {
-  console.log('Creating an optimized production build...');
-
   const compiler = webpack(config);
   return new Promise((resolve, reject) => {
     compiler.run((err, stats) => {
@@ -181,12 +160,6 @@ function build(previousFileSizes) {
           w => !/Failed to parse source map/.test(w)
         );
         if (filteredWarnings.length) {
-          console.log(
-            chalk.yellow(
-              '\nTreating warnings as errors because process.env.CI = true.\n' +
-                'Most CI servers set it automatically.\n'
-            )
-          );
           return reject(new Error(filteredWarnings.join('\n\n')));
         }
       }
diff --git a/fixtures/flight/scripts/start.js b/fixtures/flight/scripts/start.js
index 1473c3bff20a..1739ed763a36 100644
--- a/fixtures/flight/scripts/start.js
+++ b/fixtures/flight/scripts/start.js
@@ -47,22 +47,7 @@ if (!checkRequiredFiles([paths.appHtml, paths.appIndexJs])) {
 const DEFAULT_PORT = parseInt(process.env.PORT, 10) || 3000;
 const HOST = process.env.HOST || '0.0.0.0';
 
-if (process.env.HOST) {
-  console.log(
-    chalk.cyan(
-      `Attempting to bind to HOST environment variable: ${chalk.yellow(
-        chalk.bold(process.env.HOST)
-      )}`
-    )
-  );
-  console.log(
-    `If this was unintentional, check that you haven't mistakenly set it in your shell.`
-  );
-  console.log(
-    `Learn more here: ${chalk.yellow('https://cra.link/advanced-config')}`
-  );
-  console.log();
-}
+if (process.env.HOST) {}
 
 // We require that you explicitly set browsers and do not fall back to
 // browserslist defaults.
@@ -119,15 +104,8 @@ checkBrowsers(paths.appPath, isInteractive)
         clearConsole();
       }
 
-      if (env.raw.FAST_REFRESH && semver.lt(react.version, '16.10.0')) {
-        console.log(
-          chalk.yellow(
-            `Fast Refresh requires React 16.10 or higher. You are using React ${react.version}.`
-          )
-        );
-      }
+      if (env.raw.FAST_REFRESH && semver.lt(react.version, '16.10.0')) {}
 
-      console.log(chalk.cyan('Starting the development server...\n'));
       openBrowser(urls.localUrlForBrowser);
     });
 
@@ -147,8 +125,6 @@ checkBrowsers(paths.appPath, isInteractive)
     }
   })
   .catch(err => {
-    if (err && err.message) {
-      console.log(err.message);
-    }
+    if (err && err.message) {}
     process.exit(1);
   });
diff --git a/fixtures/flight/server/cli.server.js b/fixtures/flight/server/cli.server.js
index 3b60f0579614..aa867acf5787 100644
--- a/fixtures/flight/server/cli.server.js
+++ b/fixtures/flight/server/cli.server.js
@@ -46,9 +46,7 @@ app.get('/todos', function(req, res) {
   ]);
 });
 
-app.listen(3001, () => {
-  console.log('Flight Server listening on port 3001...');
-});
+app.listen(3001, () => {});
 
 app.on('error', function(error) {
   if (error.syscall !== 'listen') {
diff --git a/fixtures/legacy-jsx-runtimes/lint-runtimes.js b/fixtures/legacy-jsx-runtimes/lint-runtimes.js
index fb6584c572f7..0d8428424ca5 100644
--- a/fixtures/legacy-jsx-runtimes/lint-runtimes.js
+++ b/fixtures/legacy-jsx-runtimes/lint-runtimes.js
@@ -29,7 +29,6 @@ const esLints = {
 // Performs sanity checks on bundles *built* by Rollup.
 // Helps catch Rollup regressions.
 async function lint(folder) {
-  console.log(`Linting ` + folder);
   const eslint = esLints.cjs;
 
   const results = await eslint.lintFiles([
@@ -42,15 +41,12 @@ async function lint(folder) {
     results.some(result => result.errorCount > 0 || result.warningCount > 0)
   ) {
     process.exitCode = 1;
-    console.log(`Failed`);
     const formatter = await eslint.loadFormatter('stylish');
     const resultText = formatter.format(results);
-    console.log(resultText);
   }
 }
 
 async function lintEverything() {
-  console.log(`Linting known bundles...`);
   await lint('react-14');
   await lint('react-15');
   await lint('react-16');
diff --git a/fixtures/nesting/src/legacy/Greeting.js b/fixtures/nesting/src/legacy/Greeting.js
index 11bf3faf31c4..4696d2604188 100644
--- a/fixtures/nesting/src/legacy/Greeting.js
+++ b/fixtures/nesting/src/legacy/Greeting.js
@@ -8,9 +8,7 @@ import {store} from '../store';
 import ThemeContext from './shared/ThemeContext';
 import Clock from './shared/Clock';
 
-store.subscribe(() => {
-  console.log('Counter:', store.getState());
-});
+store.subscribe(() => {});
 
 class AboutSection extends Component {
   componentDidMount() {
diff --git a/fixtures/packaging/build-all.js b/fixtures/packaging/build-all.js
index 62f7170b6196..2a51081644aa 100644
--- a/fixtures/packaging/build-all.js
+++ b/fixtures/packaging/build-all.js
@@ -38,11 +38,3 @@ fixtureDirs.forEach(dir => {
     }
   });
 });
-
-console.log('-------------------------');
-console.log('All fixtures were built!');
-console.log('Now ensure all frames display a welcome message:');
-console.log('  npm install -g serve');
-console.log('  serve ../..');
-console.log('  open http://localhost:5000/fixtures/packaging/');
-console.log('-------------------------');
diff --git a/fixtures/packaging/systemjs-builder/dev/build.js b/fixtures/packaging/systemjs-builder/dev/build.js
index d476c09a6462..485ff085aa19 100644
--- a/fixtures/packaging/systemjs-builder/dev/build.js
+++ b/fixtures/packaging/systemjs-builder/dev/build.js
@@ -3,10 +3,7 @@ var Builder = require('systemjs-builder');
 var builder = new Builder('/', './config.js');
 builder
   .buildStatic('./input.js', './output.js')
-  .then(function() {
-    console.log('Build complete');
-  })
+  .then(function() {})
   .catch(function(err) {
-    console.log('Build error');
-    console.log(err);
-  });
+  console.log(err);
+});
diff --git a/fixtures/packaging/systemjs-builder/prod/build.js b/fixtures/packaging/systemjs-builder/prod/build.js
index d476c09a6462..485ff085aa19 100644
--- a/fixtures/packaging/systemjs-builder/prod/build.js
+++ b/fixtures/packaging/systemjs-builder/prod/build.js
@@ -3,10 +3,7 @@ var Builder = require('systemjs-builder');
 var builder = new Builder('/', './config.js');
 builder
   .buildStatic('./input.js', './output.js')
-  .then(function() {
-    console.log('Build complete');
-  })
+  .then(function() {})
   .catch(function(err) {
-    console.log('Build error');
-    console.log(err);
-  });
+  console.log(err);
+});
diff --git a/fixtures/ssr/server/index.js b/fixtures/ssr/server/index.js
index 2b41c6d9fdeb..6ee00d5c7ad2 100644
--- a/fixtures/ssr/server/index.js
+++ b/fixtures/ssr/server/index.js
@@ -44,9 +44,7 @@ if (process.env.NODE_ENV === 'development') {
   );
 }
 
-app.listen(3000, () => {
-  console.log('Listening on port 3000...');
-});
+app.listen(3000, () => {});
 
 app.on('error', function(error) {
   if (error.syscall !== 'listen') {
diff --git a/fixtures/ssr2/scripts/build.js b/fixtures/ssr2/scripts/build.js
index 452f7c750f61..eb4334c2f219 100644
--- a/fixtures/ssr2/scripts/build.js
+++ b/fixtures/ssr2/scripts/build.js
@@ -43,11 +43,8 @@ webpack(
     }
     const info = stats.toJson();
     if (stats.hasErrors()) {
-      console.log('Finished running webpack with errors.');
       info.errors.forEach(e => console.error(e));
       process.exit(1);
-    } else {
-      console.log('Finished running webpack.');
-    }
+    } else {}
   }
 );
diff --git a/fixtures/ssr2/server/server.js b/fixtures/ssr2/server/server.js
index 027c46379ccf..589b406cd5b2 100644
--- a/fixtures/ssr2/server/server.js
+++ b/fixtures/ssr2/server/server.js
@@ -47,9 +47,7 @@ app.use(express.static('build'));
 app.use(express.static('public'));
 
 app
-  .listen(PORT, () => {
-    console.log(`Listening at ${PORT}...`);
-  })
+  .listen(PORT, () => {})
   .on('error', function(error) {
     if (error.syscall !== 'listen') {
       throw error;
diff --git a/fixtures/stacks/Example.js b/fixtures/stacks/Example.js
index 3ea0ba14c489..e00db21513fd 100644
--- a/fixtures/stacks/Example.js
+++ b/fixtures/stacks/Example.js
@@ -10,7 +10,6 @@ class ErrorBoundary extends React.Component {
   }
 
   componentDidCatch(error, errorInfo) {
-    console.log(error.message, errorInfo.componentStack);
     this.setState({
       componentStack: errorInfo.componentStack,
     });
diff --git a/packages/react-devtools-extensions/chrome/build.js b/packages/react-devtools-extensions/chrome/build.js
index 1cadb6c824fb..7378404c4e6b 100644
--- a/packages/react-devtools-extensions/chrome/build.js
+++ b/packages/react-devtools-extensions/chrome/build.js
@@ -46,11 +46,6 @@ const main = async () => {
       }
     );
   }
-
-  console.log(chalk.green('\nThe Chrome extension has been built!'));
-  console.log(chalk.green('You can test this build by running:'));
-  console.log(chalk.gray('\n# From the react-devtools root directory:'));
-  console.log('yarn run test:chrome');
 };
 
 main();
diff --git a/packages/react-devtools-extensions/deploy.js b/packages/react-devtools-extensions/deploy.js
index c9bfdaf6af73..b6e76fd70565 100644
--- a/packages/react-devtools-extensions/deploy.js
+++ b/packages/react-devtools-extensions/deploy.js
@@ -51,8 +51,6 @@ const main = async buildId => {
     cwd: buildPath,
     stdio: 'inherit',
   });
-
-  console.log(`Deployed to https://${alias}.now.sh`);
 };
 
 module.exports = main;
diff --git a/packages/react-devtools-extensions/edge/build.js b/packages/react-devtools-extensions/edge/build.js
index 21fa6e5383c2..00d37d547bef 100644
--- a/packages/react-devtools-extensions/edge/build.js
+++ b/packages/react-devtools-extensions/edge/build.js
@@ -29,18 +29,6 @@ const main = async () => {
       cwd,
     });
   }
-
-  console.log(chalk.green('\nThe Microsoft Edge extension has been built!'));
-
-  console.log(chalk.green('\nTo load this extension:'));
-  console.log(chalk.yellow('Navigate to edge://extensions/'));
-  console.log(chalk.yellow('Enable "Developer mode"'));
-  console.log(chalk.yellow('Click "LOAD UNPACKED"'));
-  console.log(chalk.yellow('Select extension folder - ' + cwd + '\\unpacked'));
-
-  console.log(chalk.green('\nYou can test this build by running:'));
-  console.log(chalk.gray('\n# From the react-devtools root directory:'));
-  console.log('yarn run test:edge\n');
 };
 
 main();
diff --git a/packages/react-devtools-extensions/firefox/build.js b/packages/react-devtools-extensions/firefox/build.js
index 65cd0187c097..f8b0331c5d34 100644
--- a/packages/react-devtools-extensions/firefox/build.js
+++ b/packages/react-devtools-extensions/firefox/build.js
@@ -7,29 +7,6 @@ const build = require('../build');
 
 const main = async () => {
   await build('firefox');
-
-  console.log(chalk.green('\nThe Firefox extension has been built!'));
-  console.log(chalk.green('You can test this build by running:'));
-  console.log(chalk.gray('\n# From the react-devtools root directory:'));
-  console.log('yarn run test:firefox');
-  console.log(
-    chalk.gray('\n# You can also test against upcoming Firefox releases.')
-  );
-  console.log(
-    chalk.gray(
-      '# First download a release from https://www.mozilla.org/en-US/firefox/channel/desktop/'
-    )
-  );
-  console.log(
-    chalk.gray(
-      '# And then tell web-ext which release to use (eg firefoxdeveloperedition, nightly, beta):'
-    )
-  );
-  console.log('WEB_EXT_FIREFOX=nightly yarn run test:firefox');
-  console.log(chalk.gray('\n# You can test against older versions too:'));
-  console.log(
-    'WEB_EXT_FIREFOX=/Applications/Firefox Developer Edition.app/Contents/MacOS/firefox-bin yarn run test:firefox'
-  );
 };
 
 main();
diff --git a/packages/react-devtools-extensions/src/main.js b/packages/react-devtools-extensions/src/main.js
index 69f5c21e7962..3b2b3f38a771 100644
--- a/packages/react-devtools-extensions/src/main.js
+++ b/packages/react-devtools-extensions/src/main.js
@@ -272,36 +272,21 @@ function createPanelIfReactLoaded() {
 
             if (__DEBUG__) {
               debugID = debugIDCounter++;
-              console.log(`[main] fetchFromNetworkCache(${debugID})`, url);
             }
 
             chrome.devtools.network.getHAR(harLog => {
               for (let i = 0; i < harLog.entries.length; i++) {
                 const entry = harLog.entries[i];
                 if (url === entry.request.url) {
-                  if (__DEBUG__) {
-                    console.log(
-                      `[main] fetchFromNetworkCache(${debugID}) Found matching URL in HAR`,
-                      url,
-                    );
-                  }
+                  if (__DEBUG__) {}
 
                   entry.getContent(content => {
                     if (content) {
-                      if (__DEBUG__) {
-                        console.log(
-                          `[main] fetchFromNetworkCache(${debugID}) Content retrieved`,
-                        );
-                      }
+                      if (__DEBUG__) {}
 
                       resolve(content);
                     } else {
-                      if (__DEBUG__) {
-                        console.log(
-                          `[main] fetchFromNetworkCache(${debugID}) Invalid content returned by getContent()`,
-                          content,
-                        );
-                      }
+                      if (__DEBUG__) {}
 
                       // Edge case where getContent() returned null; fall back to fetch.
                       fetchFromPage(url, resolve, reject);
@@ -312,11 +297,7 @@ function createPanelIfReactLoaded() {
                 }
               }
 
-              if (__DEBUG__) {
-                console.log(
-                  `[main] fetchFromNetworkCache(${debugID}) No cached request found in getHAR()`,
-                );
-              }
+              if (__DEBUG__) {}
 
               // No matching URL found; fall back to fetch.
               fetchFromPage(url, resolve, reject);
@@ -324,9 +305,7 @@ function createPanelIfReactLoaded() {
           };
 
           const fetchFromPage = (url, resolve, reject) => {
-            if (__DEBUG__) {
-              console.log('[main] fetchFromPage()', url);
-            }
+            if (__DEBUG__) {}
 
             function onPortMessage({payload, source}) {
               if (source === 'react-devtools-content-script') {
diff --git a/packages/react-devtools-shared/src/__tests__/console-test.js b/packages/react-devtools-shared/src/__tests__/console-test.js
index 407150b5e39b..583b9ce7180b 100644
--- a/packages/react-devtools-shared/src/__tests__/console-test.js
+++ b/packages/react-devtools-shared/src/__tests__/console-test.js
@@ -580,10 +580,6 @@ describe('console', () => {
     const root = ReactDOMClient.createRoot(container);
 
     function App() {
-      console.log(
-        'CALL',
-        global.__REACT_DEVTOOLS_HIDE_CONSOLE_LOGS_IN_STRICT_MODE__,
-      );
       fakeConsole.log('log');
       fakeConsole.warn('warn');
       fakeConsole.error('error');
diff --git a/packages/react-dom/src/__tests__/ReactDOMComponent-test.js b/packages/react-dom/src/__tests__/ReactDOMComponent-test.js
index ec547d8cbaa8..4a817718fa87 100644
--- a/packages/react-dom/src/__tests__/ReactDOMComponent-test.js
+++ b/packages/react-dom/src/__tests__/ReactDOMComponent-test.js
@@ -1227,7 +1227,7 @@ describe('ReactDOMComponent', () => {
           <source
             src="http://example.org/video"
             type="video/mp4"
-            onError={e => console.log('onError called')}
+            onError={e => {}}
           />
         </video>,
         container,
@@ -1478,8 +1478,8 @@ describe('ReactDOMComponent', () => {
         <svg>
           <image
             xlinkHref="http://example.org/image"
-            onError={e => console.log('onError called')}
-            onLoad={e => console.log('onLoad called')}
+            onError={e => {}}
+            onLoad={e => {}}
           />
         </svg>,
         container,
diff --git a/packages/react-dom/src/__tests__/ReactServerRendering-test.js b/packages/react-dom/src/__tests__/ReactServerRendering-test.js
index c22846fa637f..ba9813243feb 100644
--- a/packages/react-dom/src/__tests__/ReactServerRendering-test.js
+++ b/packages/react-dom/src/__tests__/ReactServerRendering-test.js
@@ -1154,7 +1154,7 @@ describe('ReactDOMServer', () => {
 
     it('Function properties should not be server rendered for custom elements', () => {
       const output = ReactDOMServer.renderToString(
-        <my-custom-element foo={() => console.log('bar')} />,
+        <my-custom-element foo={() => {}} />,
       );
       expect(output).toBe(`<my-custom-element></my-custom-element>`);
     });
diff --git a/packages/react-dom/src/__tests__/utils/ReactDOMServerIntegrationTestUtils.js b/packages/react-dom/src/__tests__/utils/ReactDOMServerIntegrationTestUtils.js
index 5465d1f33d36..1b86fa9054a3 100644
--- a/packages/react-dom/src/__tests__/utils/ReactDOMServerIntegrationTestUtils.js
+++ b/packages/react-dom/src/__tests__/utils/ReactDOMServerIntegrationTestUtils.js
@@ -86,14 +86,8 @@ module.exports = function(initModules) {
         }
       }
       if (filteredWarnings.length !== count) {
-        console.log(
-          `We expected ${count} warning(s), but saw ${filteredWarnings.length} warning(s).`,
-        );
         if (filteredWarnings.length > 0) {
-          console.log(`We saw these warnings:`);
-          for (let i = 0; i < filteredWarnings.length; i++) {
-            console.log(...filteredWarnings[i]);
-          }
+          for (let i = 0; i < filteredWarnings.length; i++) {}
         }
         if (__DEV__) {
           expect(console.error).toHaveBeenCalledTimes(count);
diff --git a/packages/react-reconciler/src/__tests__/DebugTracing-test.internal.js b/packages/react-reconciler/src/__tests__/DebugTracing-test.internal.js
index eccdef295ad8..16d9be187ae0 100644
--- a/packages/react-reconciler/src/__tests__/DebugTracing-test.internal.js
+++ b/packages/react-reconciler/src/__tests__/DebugTracing-test.internal.js
@@ -101,12 +101,10 @@ describe('DebugTracing', () => {
   // @gate experimental && build === 'development' && enableDebugTracing && enableCPUSuspense
   it('should log sync render with CPU suspense', () => {
     function Example() {
-      console.log('<Example/>');
       return null;
     }
 
     function Wrapper({children}) {
-      console.log('<Wrapper/>');
       return children;
     }
 
@@ -181,12 +179,10 @@ describe('DebugTracing', () => {
   // @gate experimental && build === 'development' && enableDebugTracing && enableCPUSuspense
   it('should log concurrent render with CPU suspense', () => {
     function Example() {
-      console.log('<Example/>');
       return null;
     }
 
     function Wrapper({children}) {
-      console.log('<Wrapper/>');
       return children;
     }
 
@@ -355,7 +351,6 @@ describe('DebugTracing', () => {
   // @gate experimental && build === 'development' && enableDebugTracing
   it('should log when user code logs', () => {
     function Example() {
-      console.log('Hello from user code');
       return null;
     }
 
diff --git a/packages/react/src/__tests__/ReactStrictMode-test.js b/packages/react/src/__tests__/ReactStrictMode-test.js
index 8aebe33426a0..774705ea2569 100644
--- a/packages/react/src/__tests__/ReactStrictMode-test.js
+++ b/packages/react/src/__tests__/ReactStrictMode-test.js
@@ -893,7 +893,6 @@ describe('context legacy', () => {
         class Foo extends React.Component {
           render() {
             count++;
-            console.log('foo ' + count);
             return null;
           }
         }
@@ -922,7 +921,6 @@ describe('context legacy', () => {
           constructor(props) {
             super(props);
             count++;
-            console.log('foo ' + count);
           }
           render() {
             return null;
@@ -953,7 +951,6 @@ describe('context legacy', () => {
           state = {};
           static getDerivedStateFromProps() {
             count++;
-            console.log('foo ' + count);
             return {};
           }
           render() {
@@ -985,7 +982,6 @@ describe('context legacy', () => {
           state = {};
           shouldComponentUpdate() {
             count++;
-            console.log('foo ' + count);
             return {};
           }
           render() {
@@ -1038,7 +1034,6 @@ describe('context legacy', () => {
         );
         inst.setState(() => {
           count++;
-          console.log('foo ' + count);
           return {};
         });
 
@@ -1056,7 +1051,6 @@ describe('context legacy', () => {
         let count = 0;
         function Foo() {
           count++;
-          console.log('foo ' + count);
           return null;
         }
 
@@ -1083,7 +1077,6 @@ describe('context legacy', () => {
         class Foo extends React.Component {
           render() {
             count++;
-            console.log('foo ' + count);
             return null;
           }
         }
@@ -1112,7 +1105,6 @@ describe('context legacy', () => {
           constructor(props) {
             super(props);
             count++;
-            console.log('foo ' + count);
           }
           render() {
             return null;
@@ -1143,7 +1135,6 @@ describe('context legacy', () => {
           state = {};
           static getDerivedStateFromProps() {
             count++;
-            console.log('foo ' + count);
             return {};
           }
           render() {
@@ -1175,7 +1166,6 @@ describe('context legacy', () => {
           state = {};
           shouldComponentUpdate() {
             count++;
-            console.log('foo ' + count);
             return {};
           }
           render() {
@@ -1228,7 +1218,6 @@ describe('context legacy', () => {
         );
         inst.setState(() => {
           count++;
-          console.log('foo ' + count);
           return {};
         });
 
@@ -1246,7 +1235,6 @@ describe('context legacy', () => {
         let count = 0;
         function Foo() {
           count++;
-          console.log('foo ' + count);
           return null;
         }
 
diff --git a/scripts/bench/runner.js b/scripts/bench/runner.js
index 922e914d4ea2..4ed7481b2bb6 100644
--- a/scripts/bench/runner.js
+++ b/scripts/bench/runner.js
@@ -43,13 +43,7 @@ async function runBenchmarks(reactPath) {
       !benchmarkFilter ||
       (benchmarkFilter && benchmarkName.indexOf(benchmarkFilter) !== -1)
     ) {
-      console.log(
-        chalk.gray(`- Building benchmark "${chalk.white(benchmarkName)}"...`)
-      );
       await buildBenchmark(reactPath, benchmarkName);
-      console.log(
-        chalk.gray(`- Running benchmark "${chalk.white(benchmarkName)}"...`)
-      );
       results[benchmarkName] = await runBenchmark(benchmarkName, headless);
     }
   }
@@ -63,14 +57,10 @@ async function runBenchmarks(reactPath) {
 // get the performance benchmark results
 // from remote main (default React repo)
 async function benchmarkRemoteMaster() {
-  console.log(chalk.gray(`- Building React bundles...`));
   let commit = argv.remote;
 
   if (!commit || typeof commit !== 'string') {
     commit = await getMergeBaseFromLocalGitRepo(join(__dirname, '..', '..'));
-    console.log(
-      chalk.gray(`- Merge base commit ${chalk.white(commit.tostrS())}`)
-    );
   }
   await buildBenchmarkBundlesFromGitRepo(commit, skipBuild);
   return {
@@ -81,7 +71,6 @@ async function benchmarkRemoteMaster() {
 // get the performance benchmark results
 // of the local react repo
 async function benchmarkLocal(reactPath) {
-  console.log(chalk.gray(`- Building React bundles...`));
   await buildReactBundles(reactPath, skipBuild);
   return {
     benchmarks: await runBenchmarks(reactPath),
@@ -89,10 +78,6 @@ async function benchmarkLocal(reactPath) {
 }
 
 async function runLocalBenchmarks(showResults) {
-  console.log(
-    chalk.white.bold('Running benchmarks for ') +
-      chalk.green.bold('Local (Current Branch)')
-  );
   const localResults = await benchmarkLocal(join(__dirname, '..', '..'));
 
   if (showResults) {
@@ -102,10 +87,6 @@ async function runLocalBenchmarks(showResults) {
 }
 
 async function runRemoteBenchmarks(showResults) {
-  console.log(
-    chalk.white.bold('Running benchmarks for ') +
-      chalk.yellow.bold('Remote (Merge Base)')
-  );
   const remoteMasterResults = await benchmarkRemoteMaster();
 
   if (showResults) {
@@ -115,12 +96,6 @@ async function runRemoteBenchmarks(showResults) {
 }
 
 async function compareLocalToMaster() {
-  console.log(
-    chalk.white.bold('Comparing ') +
-      chalk.green.bold('Local (Current Branch)') +
-      chalk.white.bold(' to ') +
-      chalk.yellow.bold('Remote (Merge Base)')
-  );
   const localResults = await runLocalBenchmarks(false);
   const remoteMasterResults = await runRemoteBenchmarks(false);
   printResults(localResults, remoteMasterResults);
diff --git a/scripts/bench/stats.js b/scripts/bench/stats.js
index 9fb5883d8324..9b1db735c699 100644
--- a/scripts/bench/stats.js
+++ b/scripts/bench/stats.js
@@ -106,7 +106,6 @@ function printResults(localResults, remoteMasterResults) {
   }
   const table = new Table({head});
   addBenchmarkResults(table, localResults, remoteMasterResults);
-  console.log(table.toString());
 }
 
 module.exports = printResults;
diff --git a/scripts/circleci/download_devtools_regression_build.js b/scripts/circleci/download_devtools_regression_build.js
index 01ef377094cc..7d2db244480a 100755
--- a/scripts/circleci/download_devtools_regression_build.js
+++ b/scripts/circleci/download_devtools_regression_build.js
@@ -23,15 +23,6 @@ const version = process.argv[2];
 const shouldReplaceBuild = !!argv.replaceBuild;
 
 async function downloadRegressionBuild() {
-  console.log(chalk.bold.white(`Downloading React v${version}\n`));
-
-  // Make build directory for temporary modules we're going to download
-  // from NPM
-  console.log(
-    chalk.white(
-      `Make Build directory at ${chalk.underline.blue(regressionBuildPath)}\n`
-    )
-  );
   await exec(`mkdir ${regressionBuildPath}`);
 
   // Install all necessary React packages that have the same version
@@ -55,14 +46,6 @@ async function downloadRegressionBuild() {
     (str, name) => `${str} ${join(buildPath, name)}`,
     ''
   );
-  console.log(
-    chalk.white(
-      `Removing ${removePackagesStr
-        .split(' ')
-        .map(str => chalk.underline.blue(str) + '\n')
-        .join(' ')}\n`
-    )
-  );
   await exec(`rm -r ${removePackagesStr}`);
 
   // Move all packages that we downloaded to the original build folder
@@ -72,14 +55,6 @@ async function downloadRegressionBuild() {
     (str, name) => `${str} ${join(regressionBuildPath, 'node_modules', name)}`,
     ''
   );
-  console.log(
-    chalk.white(
-      `Moving ${movePackageString
-        .split(' ')
-        .map(str => chalk.underline.blue(str) + '\n')
-        .join(' ')} to ${chalk.underline.blue(buildPath)}\n`
-    )
-  );
   await exec(`mv ${movePackageString} ${buildPath}`);
 
   // For React versions earlier than 18.0.0, we explicitly scheduler v0.20.1, which
@@ -93,12 +68,10 @@ async function downloadRegressionBuild() {
   // In v16.5, scheduler is called schedule. We need to make sure we also move
   // this over. Otherwise the code will break.
   if (fs.existsSync(join(regressionBuildPath, 'node_modules', 'schedule'))) {
-    console.log(chalk.white(`Downloading schedule\n`));
     await exec(
       `mv ${join(regressionBuildPath, 'node_modules', 'schedule')} ${buildPath}`
     );
   } else {
-    console.log(chalk.white(`Downloading scheduler\n`));
     await exec(`rm -r ${join(buildPath, 'scheduler')}`);
     await exec(
       `mv ${join(
@@ -113,7 +86,6 @@ async function downloadRegressionBuild() {
 async function main() {
   try {
     if (!version) {
-      console.log(chalk.red('Must specify React version to download'));
       return;
     }
     await downloadRegressionBuild();
@@ -123,7 +95,6 @@ async function main() {
     // We shouldn't remove the regression-build folder unless we're using
     // it to replace the build folder
     if (shouldReplaceBuild) {
-      console.log(chalk.bold.white(`Removing regression build`));
       await exec(`rm -r ${regressionBuildPath}`);
     }
   }
diff --git a/scripts/circleci/run_devtools_e2e_tests.js b/scripts/circleci/run_devtools_e2e_tests.js
index 3ae98c42c54f..203259c18c07 100755
--- a/scripts/circleci/run_devtools_e2e_tests.js
+++ b/scripts/circleci/run_devtools_e2e_tests.js
@@ -25,15 +25,11 @@ function format(loggable) {
     .join('\n');
 }
 
-function logBright(loggable) {
-  console.log(`\x1b[1m${loggable}\x1b[0m`);
-}
+function logBright(loggable) {}
 
 function logDim(loggable) {
   const formatted = format(loggable, 2);
-  if (formatted !== '') {
-    console.log(`\x1b[2m${formatted}\x1b[0m`);
-  }
+  if (formatted !== '') {}
 }
 
 function logError(loggable) {
@@ -129,9 +125,7 @@ async function runEndToEndTests() {
   testProcess.stdout.on('data', data => {
     // Log without formatting because Playwright applies its own formatting.
     const formatted = format(data);
-    if (formatted !== '') {
-      console.log(formatted);
-    }
+    if (formatted !== '') {}
   });
   testProcess.stderr.on('data', data => {
     // Log without formatting because Playwright applies its own formatting.
diff --git a/scripts/devtools/build-and-test.js b/scripts/devtools/build-and-test.js
index 3c2f493ddd90..11b230e07ed0 100755
--- a/scripts/devtools/build-and-test.js
+++ b/scripts/devtools/build-and-test.js
@@ -24,29 +24,13 @@ async function main() {
   await confirm('Have you stopped all NPM DEV scripts?', () => {
     const packagesPath = relative(process.cwd(), join(__dirname, 'packages'));
 
-    console.log('Stop all NPM DEV scripts in the following directories:');
-    console.log(
-      chalk.bold('  ' + join(packagesPath, 'react-devtools-core')),
-      chalk.gray('(start:backend, start:standalone)')
-    );
-    console.log(
-      chalk.bold('  ' + join(packagesPath, 'react-devtools-inline')),
-      chalk.gray('(start)')
-    );
-
     const buildAndTestScriptPath = join(__dirname, 'build-and-test.js');
     const pathToPrint = relative(process.cwd(), buildAndTestScriptPath);
-
-    console.log('\nThen restart this release step:');
-    console.log(chalk.bold.green('  ' + pathToPrint));
   });
 
   await confirm('Have you run the prepare-release script?', () => {
     const prepareReleaseScriptPath = join(__dirname, 'prepare-release.js');
     const pathToPrint = relative(process.cwd(), prepareReleaseScriptPath);
-
-    console.log('Begin by running the prepare-release script:');
-    console.log(chalk.bold.green('  ' + pathToPrint));
   });
 
   const archivePath = await archiveGitRevision();
@@ -65,9 +49,6 @@ async function archiveGitRevision() {
   const desktopPath = join(homedir(), 'Desktop');
   const archivePath = join(desktopPath, 'DevTools.tgz');
 
-  console.log(`Creating git archive at ${chalk.dim(archivePath)}`);
-  console.log('');
-
   if (!DRY_RUN) {
     await exec(`git archive main | gzip > ${archivePath}`, {cwd: ROOT_PATH});
   }
@@ -93,21 +74,6 @@ async function buildAndTestExtensions() {
     }
   );
 
-  console.log('');
-  console.log(`Extensions have been build for Chrome, Edge, and Firefox.`);
-  console.log('');
-  console.log('Smoke test each extension before continuing:');
-  console.log(`  ${chalk.bold.green('cd ' + extensionsPackagePath)}`);
-  console.log('');
-  console.log(`  ${chalk.dim('# Test Chrome extension')}`);
-  console.log(`  ${chalk.bold.green('yarn test:chrome')}`);
-  console.log('');
-  console.log(`  ${chalk.dim('# Test Edge extension')}`);
-  console.log(`  ${chalk.bold.green('yarn test:edge')}`);
-  console.log('');
-  console.log(`  ${chalk.dim('# Firefox Chrome extension')}`);
-  console.log(`  ${chalk.bold.green('yarn test:firefox')}`);
-
   await confirmContinue();
 }
 
@@ -135,18 +101,6 @@ async function buildAndTestStandalonePackage() {
     'index.html'
   );
 
-  console.log('');
-  console.log(
-    `Test the ${chalk.bold('react-devtools-core')} target before continuing:`
-  );
-  console.log(`  ${chalk.bold.green('cd ' + standalonePackagePath)}`);
-  console.log(`  ${chalk.bold.green('yarn start')}`);
-  console.log('');
-  console.log(
-    'The following fixture can be useful for testing Safari integration:'
-  );
-  console.log(`  ${chalk.dim(safariFixturePath)}`);
-
   await confirmContinue();
 }
 
@@ -171,13 +125,6 @@ async function buildAndTestInlinePackage() {
 
   const shellPackagePath = join(ROOT_PATH, 'packages', 'react-devtools-shell');
 
-  console.log('');
-  console.log(`Built ${chalk.bold('react-devtools-inline')} target.`);
-  console.log('');
-  console.log('Test this build before continuing:');
-  console.log(`  ${chalk.bold.green('cd ' + shellPackagePath)}`);
-  console.log(`  ${chalk.bold.green('yarn start')}`);
-
   await confirmContinue();
 }
 
@@ -195,8 +142,6 @@ async function downloadLatestReactBuild() {
     }
   );
 
-  console.log('');
-
   const {commit} = await inquirer.prompt([
     {
       type: 'input',
@@ -205,7 +150,6 @@ async function downloadLatestReactBuild() {
       default: 'main',
     },
   ]);
-  console.log('');
 
   const downloadScriptPath = join(
     releaseScriptPath,
@@ -229,19 +173,12 @@ async function downloadLatestReactBuild() {
 
   const buildID = match[1];
 
-  console.log('');
-  console.log(`Downloaded artifacts for CI build ${chalk.bold(buildID)}.`);
-
   return buildID;
 }
 
 function printFinalInstructions() {
   const publishReleaseScriptPath = join(__dirname, 'publish-release.js');
   const pathToPrint = relative(process.cwd(), publishReleaseScriptPath);
-
-  console.log('');
-  console.log('Continue by running the publish-release script:');
-  console.log(chalk.bold.green('  ' + pathToPrint));
 }
 
 main();
diff --git a/scripts/devtools/prepare-release.js b/scripts/devtools/prepare-release.js
index 6b1f67f533b7..df12af877571 100755
--- a/scripts/devtools/prepare-release.js
+++ b/scripts/devtools/prepare-release.js
@@ -34,13 +34,6 @@ async function main() {
   const sha = await getPreviousCommitSha();
   const [shortCommitLog, formattedCommitLog] = await getCommitLog(sha);
 
-  console.log('');
-  console.log(
-    'This release includes the following commits:',
-    chalk.gray(shortCommitLog)
-  );
-  console.log('');
-
   const releaseType = await getReleaseType();
 
   const path = join(ROOT_PATH, PACKAGE_PATHS[0]);
@@ -58,29 +51,12 @@ async function main() {
   updatePackageVersions(previousVersion, nextVersion);
   updateManifestVersions(previousVersion, nextVersion);
 
-  console.log('');
-  console.log(
-    `Packages and manifests have been updated from version ${chalk.bold(
-      previousVersion
-    )} to ${chalk.bold(nextVersion)}`
-  );
-  console.log('');
-
   await commitPendingChanges(previousVersion, nextVersion);
 
   printFinalInstructions();
 }
 
 async function commitPendingChanges(previousVersion, nextVersion) {
-  console.log('');
-  console.log('Committing revision and changelog.');
-  console.log(chalk.dim('  git add .'));
-  console.log(
-    chalk.dim(
-      `  git commit -m "React DevTools ${previousVersion} -> ${nextVersion}"`
-    )
-  );
-
   if (!DRY_RUN) {
     await exec(`
       git add .
@@ -88,10 +64,6 @@ async function commitPendingChanges(previousVersion, nextVersion) {
     `);
   }
 
-  console.log('');
-  console.log(`Please push this commit before continuing:`);
-  console.log(`  ${chalk.bold.green('git push')}`);
-
   await confirmContinue();
 }
 
@@ -195,29 +167,9 @@ async function getReleaseType() {
 function printFinalInstructions() {
   const buildAndTestcriptPath = join(__dirname, 'build-and-test.js');
   const pathToPrint = relative(process.cwd(), buildAndTestcriptPath);
-
-  console.log('');
-  console.log('Continue by running the build-and-test script:');
-  console.log(chalk.bold.green('  ' + pathToPrint));
 }
 
 async function reviewChangelogPrompt() {
-  console.log('');
-  console.log(
-    'The changelog has been updated with commits since the previous release:'
-  );
-  console.log(`  ${chalk.bold(CHANGELOG_PATH)}`);
-  console.log('');
-  console.log('Please review the new changelog text for the following:');
-  console.log('  1. Organize the list into Features vs Bugfixes');
-  console.log('  1. Filter out any non-user-visible changes (e.g. typo fixes)');
-  console.log('  1. Combine related PRs into a single bullet list.');
-  console.log(
-    '  1. Replacing the "USERNAME" placeholder text with the GitHub username(s)'
-  );
-  console.log('');
-  console.log(`  ${chalk.bold.green(`open ${CHANGELOG_PATH}`)}`);
-
   await confirmContinue();
 }
 
@@ -236,8 +188,6 @@ function updateChangelog(nextVersion, commitLog) {
 
   const newChangelog = `${beginning}${RELEASE_SCRIPT_TOKEN}\n\n${header}\n${commitLog}${end}`;
 
-  console.log(chalk.dim('  Updating changelog: ' + CHANGELOG_PATH));
-
   if (!DRY_RUN) {
     writeFileSync(path, newChangelog);
   }
@@ -253,8 +203,6 @@ function updateManifestVersions(previousVersion, nextVersion) {
       json.version_name = nextVersion;
     }
 
-    console.log(chalk.dim('  Updating manifest JSON: ' + partialPath));
-
     if (!DRY_RUN) {
       writeJsonSync(path, json, {spaces: 2});
     }
@@ -275,8 +223,6 @@ function updatePackageVersions(previousVersion, nextVersion) {
       }
     }
 
-    console.log(chalk.dim('  Updating package JSON: ' + partialPath));
-
     if (!DRY_RUN) {
       writeJsonSync(path, json, {spaces: 2});
     }
diff --git a/scripts/devtools/publish-release.js b/scripts/devtools/publish-release.js
index 5fcfe89cb7ef..0d065984bfa3 100755
--- a/scripts/devtools/publish-release.js
+++ b/scripts/devtools/publish-release.js
@@ -24,9 +24,6 @@ async function main() {
   await confirm('Have you run the build-and-test script?', () => {
     const buildAndTestScriptPath = join(__dirname, 'build-and-test.js');
     const pathToPrint = relative(process.cwd(), buildAndTestScriptPath);
-
-    console.log('Begin by running the build-and-test script:');
-    console.log(chalk.bold.green('  ' + pathToPrint));
   });
 
   const {archivePath, buildID} = readSavedBuildMetadata();
@@ -38,24 +35,7 @@ async function main() {
   await printFinalInstructions(buildID, archivePath);
 }
 
-async function printFinalInstructions(buildID, archivePath) {
-  console.log('');
-  console.log(
-    'You are now ready to publish the extension to Chrome, Edge, and Firefox:'
-  );
-  console.log(
-    `  ${chalk.blue.underline(
-      'https://fburl.com/publish-react-devtools-extensions'
-    )}`
-  );
-  console.log('');
-  console.log('When publishing to Firefox, remember the following:');
-  console.log(`  Build id: ${chalk.bold(buildID)}`);
-  console.log(`  Git archive: ${chalk.bold(archivePath)}`);
-  console.log('');
-  console.log('Also consider syncing this release to Facebook:');
-  console.log(`  ${chalk.bold.green('js1 upgrade react-devtools')}`);
-}
+async function printFinalInstructions(buildID, archivePath) {}
 
 async function publishToNPM() {
   const {otp} = await inquirer.prompt([
@@ -66,8 +46,6 @@ async function publishToNPM() {
     },
   ]);
 
-  console.log('');
-
   if (!otp) {
     console.error(chalk.red(`Invalid OTP provided: "${chalk.bold(otp)}"`));
     process.exit(0);
@@ -84,20 +62,10 @@ async function publishToNPM() {
     // But for now the easiest way is just to ask if this is expected.
     const info = await execRead(`npm view ${npmPackage}@${version}`);
     if (info) {
-      console.log('');
-      console.log(
-        `${npmPackage} version ${chalk.bold(
-          version
-        )} has already been published.`
-      );
-
       await confirm('Is this expected?');
     }
 
-    if (DRY_RUN) {
-      console.log(`Publishing package ${chalk.bold(npmPackage)}`);
-      console.log(chalk.dim(`  npm publish --otp=${otp}`));
-    } else {
+    if (DRY_RUN) {} else {
       const publishPromise = exec(`npm publish --otp=${otp}`, {
         cwd: packagePath,
       });
diff --git a/scripts/devtools/utils.js b/scripts/devtools/utils.js
index 17d0c1f40eb3..09ae50d77e87 100644
--- a/scripts/devtools/utils.js
+++ b/scripts/devtools/utils.js
@@ -37,8 +37,6 @@ async function checkNPMPermissions() {
     {estimate: 2500}
   );
 
-  console.log('');
-
   if (failedProjects.length) {
     console.error(chalk.red.bold('Insufficient NPM permissions'));
     console.error('');
@@ -63,16 +61,12 @@ function clear() {
 }
 
 async function confirm(message, exitFunction) {
-  console.log('');
-
   const {confirmation} = await inquirer.prompt({
     name: 'confirmation',
     type: 'confirm',
     message,
   });
 
-  console.log('');
-
   if (!confirmation) {
     if (typeof exitFunction === 'function') {
       exitFunction();
diff --git a/scripts/error-codes/extract-errors.js b/scripts/error-codes/extract-errors.js
index addb095b4ca1..c35a3c7ff10c 100644
--- a/scripts/error-codes/extract-errors.js
+++ b/scripts/error-codes/extract-errors.js
@@ -21,8 +21,6 @@ async function main() {
     }
   }
 
-  console.log('Searching `build` directory for unminified errors...\n');
-
   let out;
   try {
     out = execSync(
@@ -54,7 +52,6 @@ async function main() {
       if (newJSON === null) {
         newJSON = Object.assign({}, originalJSON);
       }
-      console.log(`"${nextCode}": "${message}"`);
       newJSON[nextCode] = message;
       nextCode += 1;
     }
diff --git a/scripts/eslint/index.js b/scripts/eslint/index.js
index 2fd2730ba73f..1781d79de576 100644
--- a/scripts/eslint/index.js
+++ b/scripts/eslint/index.js
@@ -81,7 +81,6 @@ async function runESLint({onlyChanged, ...options}) {
     onlyChanged,
     options
   );
-  console.log(output);
   return errorCount === 0 && warningCount === 0;
 }
 
diff --git a/scripts/flow/createFlowConfigs.js b/scripts/flow/createFlowConfigs.js
index 62a54d11122a..5b2b1a4c2b00 100644
--- a/scripts/flow/createFlowConfigs.js
+++ b/scripts/flow/createFlowConfigs.js
@@ -81,7 +81,6 @@ ${disclaimer}
 
   if (newConfig !== oldConfig) {
     fs.writeFileSync(configFile, newConfig);
-    console.log(chalk.dim('Wrote a Flow config to ' + configFile));
   }
 }
 
diff --git a/scripts/flow/runFlow.js b/scripts/flow/runFlow.js
index 07b0717e6f37..01da77157508 100644
--- a/scripts/flow/runFlow.js
+++ b/scripts/flow/runFlow.js
@@ -60,10 +60,6 @@ async function runFlow(renderer, args) {
       fs.utimesSync(destPath, srcStat.atime, srcStat.mtime);
     }
 
-    console.log(
-      'Running Flow on the ' + chalk.yellow(renderer) + ' renderer...',
-    );
-
     spawn(cmd, args, {
       // Allow colors to pass through:
       stdio: 'inherit',
@@ -72,12 +68,8 @@ async function runFlow(renderer, args) {
         console.error(
           'Flow failed for the ' + chalk.red(renderer) + ' renderer',
         );
-        console.log();
         process.exit(code);
       } else {
-        console.log(
-          'Flow passed for the ' + chalk.green(renderer) + ' renderer',
-        );
         resolve();
       }
     });
diff --git a/scripts/jest/jest-cli.js b/scripts/jest/jest-cli.js
index 4aaf59ba728f..c4d5127b4e95 100644
--- a/scripts/jest/jest-cli.js
+++ b/scripts/jest/jest-cli.js
@@ -266,7 +266,6 @@ function validateOptions() {
   }
 
   if (!success) {
-    console.log(''); // Extra newline.
     process.exit(1);
   }
 }
@@ -350,7 +349,6 @@ function getEnvars() {
 
 function main() {
   if (argv.deprecated) {
-    console.log(chalk.red(`\nPlease run: \`${argv.deprecated}\` instead.\n`));
     return;
   }
 
@@ -362,21 +360,10 @@ function main() {
 
   // Print the full command we're actually running.
   const command = `$ ${env.join(' ')} node ${args.join(' ')}`;
-  console.log(chalk.dim(command));
-
-  // Print the release channel and project we're running for quick confirmation.
-  console.log(
-    chalk.blue(
-      `\nRunning tests for ${argv.project} (${argv.releaseChannel})...`
-    )
-  );
 
   // Print a message that the debugger is starting just
   // for some extra feedback when running the debugger.
-  if (argv.debug) {
-    console.log(chalk.green('\nStarting debugger...'));
-    console.log(chalk.green('Open chrome://inspect and press "inspect"\n'));
-  }
+  if (argv.debug) {}
 
   // Run Jest.
   const jest = spawn('node', args, {
diff --git a/scripts/jest/spec-equivalence-reporter/setupTests.js b/scripts/jest/spec-equivalence-reporter/setupTests.js
index 7d6989d14635..4f9c0db62750 100644
--- a/scripts/jest/spec-equivalence-reporter/setupTests.js
+++ b/scripts/jest/spec-equivalence-reporter/setupTests.js
@@ -54,11 +54,5 @@ expect.extend({
 beforeEach(() => (numExpectations = 0));
 
 jasmine.currentEnv_.addReporter({
-  specDone: spec => {
-    console.log(
-      `EQUIVALENCE: ${spec.description}, ` +
-        `status: ${spec.status}, ` +
-        `numExpectations: ${numExpectations}`
-    );
-  },
+  specDone: spec => {},
 });
diff --git a/scripts/merge-fork/replace-fork.js b/scripts/merge-fork/replace-fork.js
index 8369d271bb2b..701d049a3edb 100644
--- a/scripts/merge-fork/replace-fork.js
+++ b/scripts/merge-fork/replace-fork.js
@@ -41,7 +41,6 @@ async function main() {
               resolve();
               break;
             default:
-              console.log('No modifications were made.');
               process.exit(0);
               break;
           }
@@ -58,9 +57,6 @@ async function main() {
     stdio: ['inherit', 'inherit', 'pipe'],
   });
   if (command.status === 1) {
-    console.log(
-      chalk.bold.red('\nreplace-fork script failed with the following error:')
-    );
     console.error(Error(command.stderr));
 
     // If eslint crashes, it may not have successfully fixed all the imports,
@@ -69,16 +65,7 @@ async function main() {
     // but it's only safe to do that if we aren't going to override any previous changes.
     if (!hadUnstagedChanges) {
       spawnSync('git', ['checkout', '.']);
-    } else {
-      console.log(
-        `\n${chalk.yellow.bold(
-          'Unstaged changes were present when `replace-fork` was run.'
-        )} ` +
-          `To cleanup the repository run:\n  ${chalk.bold(
-            'git checkout packages/react-reconciler'
-          )}`
-      );
-    }
+    } else {}
 
     process.exit(1);
   } else {
diff --git a/scripts/prettier/index.js b/scripts/prettier/index.js
index 18426b81f5b5..dadc5eb31be9 100644
--- a/scripts/prettier/index.js
+++ b/scripts/prettier/index.js
@@ -54,21 +54,8 @@ files.forEach(file => {
     } else {
       if (!prettier.check(input, options)) {
         if (!didWarn) {
-          console.log(
-            '\n' +
-              chalk.red(
-                `  This project uses prettier to format all JavaScript code.\n`
-              ) +
-              chalk.dim(`    Please run `) +
-              chalk.reset('yarn prettier-all') +
-              chalk.dim(
-                ` and add changes to files listed below to your commit:`
-              ) +
-              `\n\n`
-          );
           didWarn = true;
         }
-        console.log(file);
       }
     }
   } catch (error) {
diff --git a/scripts/release/build-release-locally-commands/confirm-automated-testing.js b/scripts/release/build-release-locally-commands/confirm-automated-testing.js
index a409c9212aa6..309cbe7e9ac2 100644
--- a/scripts/release/build-release-locally-commands/confirm-automated-testing.js
+++ b/scripts/release/build-release-locally-commands/confirm-automated-testing.js
@@ -9,13 +9,6 @@ const theme = require('../theme');
 const run = async () => {
   clear();
 
-  console.log(
-    theme.caution(
-      'This script does not run any automated tests.' +
-        'You should run them manually before creating a "next" release.'
-    )
-  );
-
   await confirm('Do you want to proceed?');
 
   clear();
diff --git a/scripts/release/download-experimental-build-commands/print-summary.js b/scripts/release/download-experimental-build-commands/print-summary.js
index 6e7454a5a86a..a880e66507a6 100644
--- a/scripts/release/download-experimental-build-commands/print-summary.js
+++ b/scripts/release/download-experimental-build-commands/print-summary.js
@@ -20,6 +20,4 @@ module.exports = async ({build}) => {
     You can download this build again by running:
     {path   ${commandPath}} --build={build ${build}}
   `;
-
-  console.log(message.replace(/\n +/g, '\n').trim());
 };
diff --git a/scripts/release/prepare-release-from-npm-commands/update-stable-version-numbers.js b/scripts/release/prepare-release-from-npm-commands/update-stable-version-numbers.js
index 47a0907bafad..8c2bae1215da 100644
--- a/scripts/release/prepare-release-from-npm-commands/update-stable-version-numbers.js
+++ b/scripts/release/prepare-release-from-npm-commands/update-stable-version-numbers.js
@@ -88,11 +88,7 @@ const run = async ({cwd, packages, version}, versionsMap) => {
   const printDependencies = (maybeDependency, label) => {
     if (maybeDependency) {
       for (let dependencyName in maybeDependency) {
-        if (packages.includes(dependencyName)) {
-          console.log(
-            theme`• {package ${dependencyName}} {version ${maybeDependency[dependencyName]}} {dimmed ${label}}`
-          );
-        }
+        if (packages.includes(dependencyName)) {}
       }
     }
   };
@@ -100,11 +96,6 @@ const run = async ({cwd, packages, version}, versionsMap) => {
     const packageName = packages[i];
     const packageJSONPath = join(nodeModulesPath, packageName, 'package.json');
     const packageJSON = await readJson(packageJSONPath);
-    console.log(
-      theme`\n{package ${packageName}} {version ${versionsMap.get(
-        packageName
-      )}}`
-    );
     printDependencies(packageJSON.dependencies, 'dependency');
     printDependencies(packageJSON.peerDependencies, 'peer');
   }
@@ -163,10 +154,6 @@ const run = async ({cwd, packages, version}, versionsMap) => {
     });
   }
   writeFileSync(diffPath, diff, {cwd});
-  console.log(theme.header(`\n${numFilesModified} files have been updated.`));
-  console.log(
-    theme`A full diff is available at {path ${relative(cwd, diffPath)}}.`
-  );
   await confirm('Do the changes above look correct?');
 
   clear();
diff --git a/scripts/release/publish-commands/confirm-skipped-packages.js b/scripts/release/publish-commands/confirm-skipped-packages.js
index 3e7bc03d6854..cbe553ada265 100644
--- a/scripts/release/publish-commands/confirm-skipped-packages.js
+++ b/scripts/release/publish-commands/confirm-skipped-packages.js
@@ -13,13 +13,7 @@ const run = async ({cwd, packages, skipPackages, tags}) => {
 
   clear();
 
-  console.log(
-    theme`{spinnerSuccess ✓} The following packages will not be published as part of this release`
-  );
-
-  skipPackages.forEach(packageName => {
-    console.log(theme`• {package ${packageName}}`);
-  });
+  skipPackages.forEach(packageName => {});
 
   await confirm('Do you want to proceed?');
 
diff --git a/scripts/release/publish-commands/confirm-version-and-tags.js b/scripts/release/publish-commands/confirm-version-and-tags.js
index 6900878da02f..ff1912e47adb 100644
--- a/scripts/release/publish-commands/confirm-version-and-tags.js
+++ b/scripts/release/publish-commands/confirm-version-and-tags.js
@@ -14,17 +14,7 @@ const run = async ({cwd, packages, tags, ci}) => {
   if (tags.length === 0) {
     console.error('Expected at least one tag.');
     process.exit(1);
-  } else if (tags.length === 1) {
-    console.log(
-      theme`{spinnerSuccess ✓} You are about the publish the following packages under the tag {tag ${tags}}:`
-    );
-  } else {
-    console.log(
-      theme`{spinnerSuccess ✓} You are about the publish the following packages under the tags {tag ${tags.join(
-        ', '
-      )}}:`
-    );
-  }
+  } else if (tags.length === 1) {} else {}
 
   for (let i = 0; i < packages.length; i++) {
     const packageName = packages[i];
@@ -35,9 +25,6 @@ const run = async ({cwd, packages, tags, ci}) => {
       'package.json'
     );
     const packageJSON = await readJson(packageJSONPath);
-    console.log(
-      theme`• {package ${packageName}} {version ${packageJSON.version}}`
-    );
   }
 
   if (!ci) {
diff --git a/scripts/release/publish-commands/print-follow-up-instructions.js b/scripts/release/publish-commands/print-follow-up-instructions.js
index 92eac820e26b..0e866f4fc80c 100644
--- a/scripts/release/publish-commands/print-follow-up-instructions.js
+++ b/scripts/release/publish-commands/print-follow-up-instructions.js
@@ -17,21 +17,9 @@ const run = async ({cwd, packages, tags}) => {
 
   clear();
 
-  if (tags.length === 1 && tags[0] === 'next') {
-    console.log(
-      theme`{header A "next" release} {version ${version}} {header has been published!}`
-    );
-  } else if (tags.length === 1 && tags[0] === 'experimental') {
-    console.log(
-      theme`{header An "experimental" release} {version ${version}} {header has been published!}`
-    );
-  } else {
+  if (tags.length === 1 && tags[0] === 'next') {} else if (tags.length === 1 && tags[0] === 'experimental') {} else {
     const nodeModulesPath = join(cwd, 'build/node_modules');
 
-    console.log(
-      theme.caution`The release has been published but you're not done yet!`
-    );
-
     if (tags.includes('latest')) {
       // All packages are built from a single source revision,
       // so it is safe to read build info from any one of them.
@@ -50,78 +38,21 @@ const run = async ({cwd, packages, tags}) => {
         )
       );
 
-      console.log();
-      console.log(
-        theme.header`Please review and commit all local, staged changes.`
-      );
-
-      console.log();
-      console.log('Version numbers have been updated in the following files:');
       for (let i = 0; i < packages.length; i++) {
         const packageName = packages[i];
-        console.log(theme.path`• packages/%s/package.json`, packageName);
       }
       const status = await execRead(
         'git diff packages/shared/ReactVersion.js',
         {cwd}
       );
-      if (status) {
-        console.log(theme.path`• packages/shared/ReactVersion.js`);
-      }
-
-      console.log();
-      console.log(
-        theme`{header Don't forget to also update and commit the }{path CHANGELOG}`
-      );
+      if (status) {}
 
       // Prompt the release engineer to tag the commit and update the CHANGELOG.
       // (The script could automatically do this, but this seems safer.)
       console.log();
-      console.log(
-        theme.header`Tag the source for this release in Git with the following command:`
-      );
-      console.log(
-        theme`  {command git tag -a v}{version %s} {command -m "v%s"} {version %s}`,
-        version,
-        version,
-        commit
-      );
-      console.log(theme.command`  git push origin --tags`);
-
-      console.log();
-      console.log(theme.header`Lastly, please fill in the release on GitHub.`);
-      console.log(
-        theme.link`https://github.com/facebook/react/releases/tag/v%s`,
-        version
-      );
-      console.log(
-        theme`\nThe GitHub release should also include links to the following artifacts:`
-      );
-      for (let i = 0; i < packages.length; i++) {
-        const packageName = packages[i];
-        if (existsSync(join(nodeModulesPath, packageName, 'umd'))) {
-          const {version: packageVersion} = readJsonSync(
-            join(nodeModulesPath, packageName, 'package.json')
-          );
-          console.log(
-            theme`{path • %s:} {link https://unpkg.com/%s@%s/umd/}`,
-            packageName,
-            packageName,
-            packageVersion
-          );
-        }
-      }
 
       // Update reactjs.org so the React version shown in the header is up to date.
       console.log();
-      console.log(
-        theme.header`Once you've pushed changes, update the docs site.`
-      );
-      console.log(
-        'This will ensure that any newly-added error codes can be decoded.'
-      );
-
-      console.log();
     }
   }
 };
diff --git a/scripts/release/publish-commands/prompt-for-otp.js b/scripts/release/publish-commands/prompt-for-otp.js
index c89c2884630e..3ed73000fd4f 100644
--- a/scripts/release/publish-commands/prompt-for-otp.js
+++ b/scripts/release/publish-commands/prompt-for-otp.js
@@ -12,11 +12,7 @@ const run = async () => {
 
     if (otp) {
       return otp;
-    } else {
-      console.log();
-      console.log(theme.error`Two-factor auth is required to publish.`);
-      // (Ask again.)
-    }
+    } else {}
   }
 };
 
diff --git a/scripts/release/publish-commands/publish-to-npm.js b/scripts/release/publish-commands/publish-to-npm.js
index 28035b052107..8c9d26350793 100644
--- a/scripts/release/publish-commands/publish-to-npm.js
+++ b/scripts/release/publish-commands/publish-to-npm.js
@@ -18,31 +18,20 @@ const run = async ({cwd, dry, tags, ci}, packageName, otp) => {
   // But for now the easiest way is just to ask if this is expected.
   const info = await execRead(`npm view ${packageName}@${version}`);
   if (info) {
-    console.log(
-      theme`{package ${packageName}} {version ${version}} has already been published.`
-    );
     if (!ci) {
       await confirm('Is this expected?');
     }
   } else {
-    console.log(theme`{spinnerSuccess ✓} Publishing {package ${packageName}}`);
-
     // Publish the package and tag it.
     if (!dry) {
       if (!ci) {
         await exec(`npm publish --tag=${tags[0]} --otp=${otp}`, {
           cwd: packagePath,
         });
-        console.log(theme.command(`  cd ${packagePath}`));
-        console.log(
-          theme.command(`  npm publish --tag=${tags[0]} --otp=${otp}`)
-        );
       } else {
         await exec(`npm publish --tag=${tags[0]}`, {
           cwd: packagePath,
         });
-        console.log(theme.command(`  cd ${packagePath}`));
-        console.log(theme.command(`  npm publish --tag=${tags[0]}`));
       }
     }
 
@@ -53,20 +42,10 @@ const run = async ({cwd, dry, tags, ci}, packageName, otp) => {
             `npm dist-tag add ${packageName}@${version} ${tags[j]} --otp=${otp}`,
             {cwd: packagePath}
           );
-          console.log(
-            theme.command(
-              `  npm dist-tag add ${packageName}@${version} ${tags[j]} --otp=${otp}`
-            )
-          );
         } else {
           await exec(`npm dist-tag add ${packageName}@${version} ${tags[j]}`, {
             cwd: packagePath,
           });
-          console.log(
-            theme.command(
-              `  npm dist-tag add ${packageName}@${version} ${tags[j]}`
-            )
-          );
         }
       }
     }
@@ -77,16 +56,8 @@ const run = async ({cwd, dry, tags, ci}, packageName, otp) => {
       if (!dry) {
         if (!ci) {
           await exec(`npm dist-tag rm ${packageName} untagged --otp=${otp}`);
-          console.log(
-            theme.command(
-              `  npm dist-tag rm ${packageName} untagged --otp=${otp}`
-            )
-          );
         } else {
           await exec(`npm dist-tag rm ${packageName} untagged`);
-          console.log(
-            theme.command(`  npm dist-tag rm ${packageName} untagged`)
-          );
         }
       }
     }
diff --git a/scripts/release/publish-commands/validate-skip-packages.js b/scripts/release/publish-commands/validate-skip-packages.js
index af7324fdf626..9245186437ab 100644
--- a/scripts/release/publish-commands/validate-skip-packages.js
+++ b/scripts/release/publish-commands/validate-skip-packages.js
@@ -35,10 +35,6 @@ const run = async ({cwd, packages, skipPackages}) => {
         // Do we depend on a version of the package that has not been published to NPM?
         const info = await execRead(`npm view ${dependency}@${version}`);
         if (!info) {
-          console.log(
-            theme`{error Package} {package ${name}} {error depends on an unpublished skipped package}`,
-            theme`{package ${dependency}}@{version ${version}}`
-          );
           process.exit(1);
         }
       }
diff --git a/scripts/release/publish-commands/validate-tags.js b/scripts/release/publish-commands/validate-tags.js
index fbd58e9b3763..87f7d4ee52bf 100644
--- a/scripts/release/publish-commands/validate-tags.js
+++ b/scripts/release/publish-commands/validate-tags.js
@@ -21,40 +21,20 @@ const run = async ({cwd, packages, tags}) => {
   const isExperimentalVersion = version.indexOf('experimental') !== -1;
   if (version.indexOf('-') !== -1) {
     if (tags.includes('latest')) {
-      if (isExperimentalVersion) {
-        console.log(
-          theme`{error Experimental release} {version ${version}} {error cannot be tagged as} {tag latest}`
-        );
-      } else {
-        console.log(
-          theme`{error Next release} {version ${version}} {error cannot be tagged as} {tag latest}`
-        );
-      }
+      if (isExperimentalVersion) {} else {}
       process.exit(1);
     }
     if (tags.includes('next') && isExperimentalVersion) {
-      console.log(
-        theme`{error Experimental release} {version ${version}} {error cannot be tagged as} {tag next}`
-      );
       process.exit(1);
     }
     if (tags.includes('experimental') && !isExperimentalVersion) {
-      console.log(
-        theme`{error Next release} {version ${version}} {error cannot be tagged as} {tag experimental}`
-      );
       process.exit(1);
     }
   } else {
     if (!tags.includes('latest')) {
-      console.log(
-        theme`{error Stable release} {version ${version}} {error must always be tagged as} {tag latest}`
-      );
       process.exit(1);
     }
     if (tags.includes('experimental')) {
-      console.log(
-        theme`{error Stable release} {version ${version}} {error cannot be tagged as} {tag experimental}`
-      );
       process.exit(1);
     }
   }
diff --git a/scripts/release/publish.js b/scripts/release/publish.js
index 79990cdbdc44..3d182293d382 100755
--- a/scripts/release/publish.js
+++ b/scripts/release/publish.js
@@ -35,9 +35,6 @@ const run = async () => {
     params.skipPackages.forEach(packageName => {
       const index = params.packages.indexOf(packageName);
       if (index < 0) {
-        console.log(
-          theme`Invalid skip package {package ${packageName}} specified.`
-        );
         process.exit(1);
       } else {
         params.packages.splice(index, 1);
@@ -68,7 +65,6 @@ const run = async () => {
         }
       }
       if (failed) {
-        console.log(theme.error`One or more packages failed to publish.`);
         process.exit(1);
       }
     } else {
diff --git a/scripts/release/shared-commands/download-build-artifacts.js b/scripts/release/shared-commands/download-build-artifacts.js
index fba746520273..528d48f23da4 100644
--- a/scripts/release/shared-commands/download-build-artifacts.js
+++ b/scripts/release/shared-commands/download-build-artifacts.js
@@ -15,9 +15,6 @@ const run = async ({build, cwd, releaseChannel}) => {
   );
 
   if (!buildArtifacts) {
-    console.log(
-      theme`{error The specified build (${build}) does not contain any build artifacts.}`
-    );
     process.exit(1);
   }
 
diff --git a/scripts/release/shared-commands/print-prerelease-summary.js b/scripts/release/shared-commands/print-prerelease-summary.js
index 6492c50bd788..463ce6e8159f 100644
--- a/scripts/release/shared-commands/print-prerelease-summary.js
+++ b/scripts/release/shared-commands/print-prerelease-summary.js
@@ -36,6 +36,4 @@ module.exports = ({cwd}, isStableRelease) => {
       {path   ${publishPath}}
     `;
   }
-
-  console.log(message.replace(/\n +/g, '\n').trim());
 };
diff --git a/scripts/release/snapshot-test.js b/scripts/release/snapshot-test.js
index d199b51c7b9c..56b33370f3f4 100755
--- a/scripts/release/snapshot-test.js
+++ b/scripts/release/snapshot-test.js
@@ -77,26 +77,13 @@ const run = async () => {
       'utf-8'
     );
 
-    if (beforeContents === afterContents) {
-      console.log(theme.header`Snapshot test passed.`);
-    } else {
+    if (beforeContents === afterContents) {} else {
       printDiff(
         'scripts/release/snapshot-test.snapshot',
         beforeContents,
         afterContents
       );
-      console.log();
       console.error(theme.error('Snapshot test failed!'));
-      console.log();
-      console.log(
-        'If this failure was expected, please update the contents of the snapshot file:'
-      );
-      console.log(
-        theme`  {command git add} {path scripts/release/snapshot-test.snapshot}`
-      );
-      console.log(
-        theme`  {command git commit -m "Updating release script snapshot file."}`
-      );
       process.exit(1);
     }
   } catch (error) {
diff --git a/scripts/release/utils.js b/scripts/release/utils.js
index 7a940f8f65fb..177db0a79a46 100644
--- a/scripts/release/utils.js
+++ b/scripts/release/utils.js
@@ -37,7 +37,6 @@ const confirm = async message => {
   const confirmation = await prompt(theme`\n{caution ${message}} (y/N) `);
   prompt.done();
   if (confirmation !== 'y' && confirmation !== 'Y') {
-    console.log(theme`\n{caution Release cancelled.}`);
     process.exit(0);
   }
 };
@@ -162,7 +161,6 @@ const handleError = error => {
   const message = error.message.trim().replace(/\n +/g, '\n');
   const stack = error.stack.replace(error.message, '');
 
-  console.log(theme`{error ${message}}\n\n{path ${stack}}`);
   process.exit(1);
 };
 
@@ -192,7 +190,6 @@ const printDiff = (path, beforeContents, afterContents) => {
       }
     })
     .filter(line => line);
-  console.log(coloredLines.join('\n'));
   return patch;
 };
 
diff --git a/scripts/rollup/build.js b/scripts/rollup/build.js
index 52c0b7dc9fe2..bdb57d4ebecc 100644
--- a/scripts/rollup/build.js
+++ b/scripts/rollup/build.js
@@ -600,20 +600,16 @@ async function createBundle(bundle, bundleType) {
     watcher.on('event', async event => {
       switch (event.code) {
         case 'BUNDLE_START':
-          console.log(`${chalk.bgYellow.black(' BUILDING ')} ${logKey}`);
           break;
         case 'BUNDLE_END':
-          console.log(`${chalk.bgGreen.black(' COMPLETE ')} ${logKey}\n`);
           break;
         case 'ERROR':
         case 'FATAL':
-          console.log(`${chalk.bgRed.black(' OH NOES! ')} ${logKey}\n`);
           handleRollupError(event.error);
           break;
       }
     });
   } else {
-    console.log(`${chalk.bgYellow.black(' BUILDING ')} ${logKey}`);
     try {
       const result = await rollup.rollup(rollupConfig);
       await result.write(rollupOutputOptions);
@@ -622,7 +618,6 @@ async function createBundle(bundle, bundleType) {
       handleRollupError(error);
       throw error;
     }
-    console.log(`${chalk.bgGreen.black(' COMPLETE ')} ${logKey}\n`);
   }
 }
 
@@ -749,7 +744,6 @@ async function buildEverything() {
     await Sync.syncReactDom('build/facebook-www', syncWWWPath);
   }
 
-  console.log(Stats.printResults());
   if (!forcePrettyOutput) {
     Stats.saveResults();
   }
diff --git a/scripts/rollup/sync.js b/scripts/rollup/sync.js
index 8b2d839b57a6..4a670de5ffdb 100644
--- a/scripts/rollup/sync.js
+++ b/scripts/rollup/sync.js
@@ -10,10 +10,7 @@ const RELATIVE_RN_OSS_PATH = 'xplat/js/react-native-github/Libraries/Renderer/';
 const RELATIVE_WWW_PATH = 'html/shared/react/';
 
 async function doSync(buildPath, destPath) {
-  console.log(`${chalk.bgYellow.black(' SYNCING ')} React to ${destPath}`);
-
   await asyncCopyTo(buildPath, destPath);
-  console.log(`${chalk.bgGreen.black(' SYNCED ')} React to ${destPath}`);
 }
 
 async function syncReactDom(buildPath, wwwPath) {
diff --git a/scripts/rollup/validate/index.js b/scripts/rollup/validate/index.js
index 34faf6ed7340..67648199a7a1 100644
--- a/scripts/rollup/validate/index.js
+++ b/scripts/rollup/validate/index.js
@@ -69,16 +69,12 @@ async function lint(eslint, filepaths) {
     results.some(result => result.errorCount > 0 || result.warningCount > 0)
   ) {
     process.exitCode = 1;
-    console.log(`Lint failed`);
     const formatter = await eslint.loadFormatter('stylish');
     const resultText = formatter.format(results);
-    console.log(resultText);
   }
 }
 
 async function lintEverything() {
-  console.log(`Linting build artifacts...`);
-
   const allFilepaths = await glob('build/**/*.js');
 
   const pathsByFormat = new Map();
diff --git a/scripts/shared/listChangedFiles.js b/scripts/shared/listChangedFiles.js
index 9db4e1507138..34e3d6668a47 100644
--- a/scripts/shared/listChangedFiles.js
+++ b/scripts/shared/listChangedFiles.js
@@ -9,7 +9,6 @@
 const execFileSync = require('child_process').execFileSync;
 
 const exec = (command, args) => {
-  console.log('> ' + [command].concat(args).join(' '));
   const options = {
     cwd: process.cwd(),
     env: process.env,
diff --git a/scripts/tasks/danger.js b/scripts/tasks/danger.js
index e85dba26219c..157a75ac49c5 100644
--- a/scripts/tasks/danger.js
+++ b/scripts/tasks/danger.js
@@ -31,9 +31,7 @@ spawn(
 ).on('close', function(code) {
   if (code !== 0) {
     console.error('Danger failed');
-  } else {
-    console.log('Danger passed');
-  }
+  } else {}
 
   process.exit(code);
 });
diff --git a/scripts/tasks/eslint.js b/scripts/tasks/eslint.js
index 0205873f0aad..5e781cd4d844 100644
--- a/scripts/tasks/eslint.js
+++ b/scripts/tasks/eslint.js
@@ -11,19 +11,13 @@ const minimist = require('minimist');
 const runESLint = require('../eslint');
 
 async function main() {
-  console.log('Linting all files...');
   // https://circleci.com/docs/2.0/env-vars/#circleci-environment-variable-descriptions
-  if (!process.env.CI) {
-    console.log('Hint: run `yarn linc` to only lint changed files.');
-  }
+  if (!process.env.CI) {}
 
   // eslint-disable-next-line no-unused-vars
   const {_, ...cliOptions} = minimist(process.argv.slice(2));
 
-  if (await runESLint({onlyChanged: false, ...cliOptions})) {
-    console.log('Lint passed.');
-  } else {
-    console.log('Lint failed.');
+  if (await runESLint({onlyChanged: false, ...cliOptions})) {} else {
     process.exit(1);
   }
 }
diff --git a/scripts/tasks/flow-ci.js b/scripts/tasks/flow-ci.js
index 99099270cf48..48785b17951d 100644
--- a/scripts/tasks/flow-ci.js
+++ b/scripts/tasks/flow-ci.js
@@ -28,7 +28,6 @@ async function checkAll() {
       const rendererInfo = inlinedHostConfigs[i];
       if (rendererInfo.isFlowTyped) {
         await runFlow(rendererInfo.shortName, ['check']);
-        console.log();
       }
     }
   }
diff --git a/scripts/tasks/flow.js b/scripts/tasks/flow.js
index a9543743732d..ff13dcd2eba9 100644
--- a/scripts/tasks/flow.js
+++ b/scripts/tasks/flow.js
@@ -22,30 +22,9 @@ const primaryRenderer = inlinedHostConfigs.find(
   info => info.isFlowTyped && info.shortName === process.argv[2]
 );
 if (!primaryRenderer) {
-  console.log(
-    'The ' +
-      chalk.red('yarn flow') +
-      ' command now requires you to pick a primary renderer:'
-  );
-  console.log();
   inlinedHostConfigs.forEach(rendererInfo => {
-    if (rendererInfo.isFlowTyped) {
-      console.log('  * ' + chalk.cyan('yarn flow ' + rendererInfo.shortName));
-    }
+    if (rendererInfo.isFlowTyped) {}
   });
-  console.log();
-  console.log('If you are not sure, run ' + chalk.green('yarn flow dom') + '.');
-  console.log(
-    'This will still typecheck non-DOM packages, although less precisely.'
-  );
-  console.log();
-  console.log('Note that checks for all renderers will run on CI.');
-  console.log(
-    'You can also do this locally with ' +
-      chalk.cyan('yarn flow-ci') +
-      ' but it will be slow.'
-  );
-  console.log();
   process.exit(1);
 }
 
diff --git a/scripts/tasks/linc.js b/scripts/tasks/linc.js
index e3b89237528d..9335c1da22f2 100644
--- a/scripts/tasks/linc.js
+++ b/scripts/tasks/linc.js
@@ -11,15 +11,10 @@ const minimist = require('minimist');
 const runESLint = require('../eslint');
 
 async function main() {
-  console.log('Linting changed files...');
-
   // eslint-disable-next-line no-unused-vars
   const {_, ...cliOptions} = minimist(process.argv.slice(2));
 
-  if (await runESLint({onlyChanged: true, ...cliOptions})) {
-    console.log('Lint passed for changed files.');
-  } else {
-    console.log('Lint failed for changed files.');
+  if (await runESLint({onlyChanged: true, ...cliOptions})) {} else {
     process.exit(1);
   }
 }
diff --git a/scripts/tasks/version-check.js b/scripts/tasks/version-check.js
index 57dcfdfba638..d7bee0a73f27 100644
--- a/scripts/tasks/version-check.js
+++ b/scripts/tasks/version-check.js
@@ -28,12 +28,6 @@ Object.keys(versions).forEach(function(name) {
   const version = versions[name];
   if (version !== reactVersion) {
     allVersionsMatch = false;
-    console.log(
-      '%s version does not match package.json. Expected %s, saw %s.',
-      name,
-      reactVersion,
-      version
-    );
   }
 });