diff --git a/exercise4-puppeteer/__snapshots__/a11y-tree.test.js.snap b/exercise4-puppeteer/__snapshots__/a11y-tree.test.js.snap
index 77c430e..8cd6935 100644
--- a/exercise4-puppeteer/__snapshots__/a11y-tree.test.js.snap
+++ b/exercise4-puppeteer/__snapshots__/a11y-tree.test.js.snap
@@ -130,4 +130,4 @@ Object {
   "name": "CampSpots",
   "role": "RootWebArea",
 }
-`;
+`;
\ No newline at end of file
diff --git a/exercise4-puppeteer/a11y-tree.json b/exercise4-puppeteer/a11y-tree.json
deleted file mode 100644
index cb98ee4..0000000
--- a/exercise4-puppeteer/a11y-tree.json
+++ /dev/null
@@ -1,129 +0,0 @@
-{
-     "role": "RootWebArea",
-     "name": "CampSpots Passes",
-     "children": [
-          {
-               "role": "heading",
-               "name": "CampSpots",
-               "level": 1
-          },
-          {
-               "role": "link",
-               "name": "CampSpots"
-          },
-          {
-               "role": "heading",
-               "name": "Plan Your Trip",
-               "level": 2
-          },
-          {
-               "role": "heading",
-               "name": "Ways to Stay",
-               "level": 2
-          },
-          {
-               "role": "heading",
-               "name": "Resources",
-               "level": 2
-          },
-          {
-               "role": "link",
-               "name": "Login"
-          },
-          {
-               "role": "generic",
-               "name": "Pick a Plan and Start Your Adventure Today!",
-               "children": [
-                    {
-                         "role": "heading",
-                         "name": "Pick a Plan and Start Your Adventure Today!",
-                         "level": 2
-                    },
-                    {
-                         "role": "heading",
-                         "name": "CampSpots Basic",
-                         "level": 3
-                    },
-                    {
-                         "role": "heading",
-                         "name": "$99/year",
-                         "level": 4
-                    },
-                    {
-                         "role": "StaticText",
-                         "name": "Renewed annually"
-                    },
-                    {
-                         "role": "StaticText",
-                         "name": "Unlimited overnight stays with No Camping Fees"
-                    },
-                    {
-                         "role": "StaticText",
-                         "name": "100% money back guarantee"
-                    },
-                    {
-                         "role": "StaticText",
-                         "name": "Access to spa facilities & restaurants"
-                    },
-                    {
-                         "role": "button",
-                         "name": "Join Now"
-                    },
-                    {
-                         "role": "StaticText",
-                         "name": "Vitae maximus turpis tempor"
-                    },
-                    {
-                         "role": "StaticText",
-                         "name": "nec"
-                    },
-                    {
-                         "role": "StaticText",
-                         "name": "."
-                    },
-                    {
-                         "role": "heading",
-                         "name": "CampSpots Pro",
-                         "level": 3
-                    },
-                    {
-                         "role": "heading",
-                         "name": "$139/year",
-                         "level": 4
-                    },
-                    {
-                         "role": "StaticText",
-                         "name": "Renewed annually"
-                    },
-                    {
-                         "role": "StaticText",
-                         "name": "Unlimited overnight stays with No Camping Fees"
-                    },
-                    {
-                         "role": "StaticText",
-                         "name": "100% money back guarantee"
-                    },
-                    {
-                         "role": "StaticText",
-                         "name": "Access to spa facilities & restaurants"
-                    },
-                    {
-                         "role": "button",
-                         "name": "Join Now"
-                    },
-                    {
-                         "role": "StaticText",
-                         "name": "Lorem ipsum dolor"
-                    },
-                    {
-                         "role": "StaticText",
-                         "name": "sit"
-                    },
-                    {
-                         "role": "StaticText",
-                         "name": "amet, consectetur adipiscing elit."
-                    }
-               ]
-          }
-     ]
-}
\ No newline at end of file
diff --git a/exercise4-puppeteer/answer/a11y-tree.test.js b/exercise4-puppeteer/answer/a11y-tree.t.js
similarity index 93%
rename from exercise4-puppeteer/answer/a11y-tree.test.js
rename to exercise4-puppeteer/answer/a11y-tree.t.js
index 8a1f8db..8acb20e 100644
--- a/exercise4-puppeteer/answer/a11y-tree.test.js
+++ b/exercise4-puppeteer/answer/a11y-tree.t.js
@@ -35,7 +35,7 @@ describe('Accessibility Tree', () => {
     })
 
     it(`has the correct axTree`, async () => {
-        const axTree = await page.accessibility.snapshot({ page })
+        const axTree = await page.accessibility.snapshot()
         expect(axTree).toMatchSnapshot()
     })
 })
\ No newline at end of file