diff --git a/.circleci/config.yml b/.circleci/config.yml
index 40a4c5ce56..0ed88dd150 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -37,24 +37,6 @@ execution_steps: &execution_steps
     - run: hostPath=$HOME/.esvu/bin/$hostPath npm run ci
 
 jobs:
-  "Test262: verify tools; build tests":
-    docker:
-      - image: cimg/python:3.7.4
-    working_directory: ~/test262
-    steps:
-      - checkout
-      - run:
-          name: "Install requirements for generation tool"
-          command: python -m pip install --user --requirement tools/generation/requirements.txt
-      - run:
-          name: "Test the generation tool"
-          command: ./tools/generation/test/run.py
-      - run:
-          name: "Build tests; check for new changes"
-          command: ./tools/scripts/ci_build.sh
-      # - run:
-      #     name: "Run deploy"
-      #     command: ./tools/scripts/deploy.sh
   "V8: New or modified tests execution":
     docker:
       - image: *node_image
@@ -126,9 +108,6 @@ jobs:
     <<: [*execution_steps]
 workflows:
   version: 2
-  Tools:
-    jobs:
-      - "Test262: verify tools; build tests"
   Tests execution:
     jobs:
       # - "ChakraCore: New or modified tests execution"
diff --git a/.github/workflows/tools-pr.yml b/.github/workflows/tools-pr.yml
index e8490986cd..db8e28eb06 100644
--- a/.github/workflows/tools-pr.yml
+++ b/.github/workflows/tools-pr.yml
@@ -35,3 +35,37 @@ jobs:
             echo $file
           done
           ./tools/lint/lint.py --exceptions lint.exceptions "$CHANGED"
+
+  build:
+    name: Build generated tests
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: '3.x'
+          cache: pip
+      - name: Install dependencies for generation tool
+        run: |
+          python -m pip install --upgrade pip
+          pip install -r tools/generation/requirements.txt
+      - name: Install dependencies for regexp-generator tool
+        run: |
+          cd tools/regexp-generator
+          npm install
+      - name: Test the generation tool
+        run: ./tools/generation/test/run.py
+      - name: Build tests
+        run: |
+          ./make.py clean >/dev/null
+          ./make.py
+      - name: Verify changes
+      - uses: tj-actions/verify-changed-files@v20
+        with:
+          fail-if-changed: true
+          fail-message: |
+            New changes were found after re-generating the tests.
+            Please read the documentation on procedurally generated tests
+            https://github.com/tc39/test262/blob/HEAD/CONTRIBUTING.md#procedurally-generated-tests
diff --git a/tools/scripts/ci_build.sh b/tools/scripts/ci_build.sh
deleted file mode 100755
index 4dbab0f5e6..0000000000
--- a/tools/scripts/ci_build.sh
+++ /dev/null
@@ -1,17 +0,0 @@
-#!/bin/sh
-if [ "$CIRCLE_PULL_REQUEST" != "" ]; then
-  ./make.py clean > /dev/null
-fi
-./make.py || exit $?
-
-if [ -n "$(git status --porcelain)" -a "$CIRCLE_PULL_REQUEST" != "" ]; then
-  echo New changes were found after re-generating the tests.
-  echo ""
-  git status --porcelain;
-  echo ""
-  git diff;
-  echo ""
-  echo Please, read the documentation on procedurally generated tests
-  echo 'https://github.com/tc39/test262/blob/HEAD/CONTRIBUTING.md#procedurally-generated-tests'
-  exit 1
-fi