diff --git a/.circleci/config.yml b/.circleci/config.yml
index 8c07e37e..ff93f090 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -149,7 +149,7 @@ workflows:
           context : org-global
           filters:
             branches:
-              only: ['develop', 'migration-setup', 'pm-1273']
+              only: ['develop', 'migration-setup', 'pm-1378']
       - deployProd:
           context : org-global
           filters:
diff --git a/src/permissions/constants.js b/src/permissions/constants.js
index c32e16d4..7f55c362 100644
--- a/src/permissions/constants.js
+++ b/src/permissions/constants.js
@@ -288,6 +288,19 @@ export const PERMISSION = { // eslint-disable-line import/prefer-default-export
     ],
     scopes: SCOPES_PROJECTS_WRITE,
   },
+  
+  CANCEL_COPILOT_OPPORTUNITY: {
+    meta: {
+      title: 'Cancel copilot opportunity',
+      group: 'Cancel copilot opportunity',
+      description: 'Who can cancel copilot opportunity.',
+    },
+    topcoderRoles: [
+      USER_ROLE.PROJECT_MANAGER,
+      USER_ROLE.TOPCODER_ADMIN,
+    ],
+    scopes: SCOPES_PROJECTS_WRITE,
+  },
 
   LIST_COPILOT_OPPORTUNITY: {
     meta: {
diff --git a/src/routes/copilotOpportunity/delete.js b/src/routes/copilotOpportunity/delete.js
new file mode 100644
index 00000000..3c6d9bfa
--- /dev/null
+++ b/src/routes/copilotOpportunity/delete.js
@@ -0,0 +1,81 @@
+import _ from 'lodash';
+
+import models from '../../models';
+import util from '../../util';
+import { COPILOT_APPLICATION_STATUS, COPILOT_OPPORTUNITY_STATUS, COPILOT_REQUEST_STATUS } from '../../constants';
+import { PERMISSION } from '../../permissions/constants';
+
+module.exports = [
+  (req, res, next) => {
+    if (!util.hasPermissionByReq(PERMISSION.CANCEL_COPILOT_OPPORTUNITY, req)) {
+      const err = new Error('Unable to cancel copilot opportunity');
+      _.assign(err, {
+        details: JSON.stringify({ message: 'You do not have permission to cancel copilot opportunity' }),
+        status: 403,
+      });
+      return Promise.reject(err);
+    }
+    // default values
+    const opportunityId = _.parseInt(req.params.id);
+
+    return models.sequelize.transaction(async (transaction) => {
+      req.log.debug('Canceling Copilot opportunity transaction', opportunityId);
+      const opportunity = await models.CopilotOpportunity.findOne({
+        where: { id: opportunityId },
+        transaction,
+      });
+
+      if (!opportunity) {
+        const err = new Error(`No opportunity available for id ${opportunityId}`);
+        err.status = 404;
+        throw err;
+      }
+
+      const copilotRequest = await models.CopilotRequest.findOne({
+        where: {
+          id: opportunity.copilotRequestId,
+        },
+        transaction,
+      });
+
+      const applications = await models.CopilotApplication.findAll({
+        where: {
+          opportunityId: opportunity.id,
+        },
+        transaction,
+      });
+
+      const promises = [];
+      applications.forEach((application) => {
+        promises.push(application.update({
+          status: COPILOT_APPLICATION_STATUS.CANCELED,
+        }, {
+          transaction,
+        }));
+      });
+
+      await Promise.all(promises);
+
+      await copilotRequest.update({
+        status: COPILOT_REQUEST_STATUS.CANCELED,
+      }, {
+        transaction,
+      });
+
+      await opportunity.update({
+        status: COPILOT_OPPORTUNITY_STATUS.CANCELED,
+      }, {
+        transaction,
+      });
+
+      res.status(200).send({ id: opportunity.id });
+    })
+        
+      .catch((err) => {
+        if (err.message) {
+          _.assign(err, { details: err.message });
+        }
+        util.handleError('Error canceling copilot opportunity', err, req, next);
+      });
+  },
+];
diff --git a/src/routes/copilotOpportunity/get.js b/src/routes/copilotOpportunity/get.js
index 2fd1856c..9202a845 100644
--- a/src/routes/copilotOpportunity/get.js
+++ b/src/routes/copilotOpportunity/get.js
@@ -32,7 +32,6 @@ module.exports = [
     })
       .then((copilotOpportunity) => {
         const plainOpportunity = copilotOpportunity.get({ plain: true });
-        req.log.info("authUser", req.authUser);
         const memberIds = plainOpportunity.project.members && plainOpportunity.project.members.map((member) => member.userId);
         let canApplyAsCopilot = false;
         if (req.authUser) {
diff --git a/src/routes/index.js b/src/routes/index.js
index ab3b6308..fd069fcd 100644
--- a/src/routes/index.js
+++ b/src/routes/index.js
@@ -419,6 +419,10 @@ router.route('/v5/projects/copilots/opportunity/:id(\\d+)/applications')
 router.route('/v5/projects/copilots/opportunity/:id(\\d+)/assign')
   .post(require('./copilotOpportunity/assign'));
 
+// Cancel Copilot opportunity
+router.route('/v5/projects/copilots/opportunity/:id(\\d+)/cancel')
+.delete(require('./copilotOpportunity/delete'));
+
 // Project Estimation Items
 router.route('/v5/projects/:projectId(\\d+)/estimations/:estimationId(\\d+)/items')
   .get(require('./projectEstimationItems/list'));