diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 3d6ff16a..adff422d 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -37,13 +37,7 @@ jobs:
           wget -O - https://apt.llvm.org/llvm-snapshot.gpg.key | sudo apt-key add -
           sudo apt-get update
           sudo apt-get install -q -y clang-tidy-18
-      - name: static checks on diff
-        if: ${{ github.event_name == 'push' }}
-        run: |
-          export CLANG_TIDY_DIFF=clang-tidy-diff-18.py
-          scripts/check-tidy-diff.sh
       - name: static checks
-        if : ${{ github.event_name == 'pull_request' }}
         run: |
           export CLANG_TIDY=clang-tidy-18
           make tidy
diff --git a/scripts/check-tidy-diff.sh b/scripts/check-tidy-diff.sh
deleted file mode 100755
index 208b4c19..00000000
--- a/scripts/check-tidy-diff.sh
+++ /dev/null
@@ -1,26 +0,0 @@
-#!/usr/bin/env sh
-
-#
-# Runs clang-tidy on the diff between main and HEAD.
-# Note: This script is intended to be run in CI triggered by pull requests.
-#
-
-set -eu
-
-if [ -z "${GITHUB_ACTIONS+x}" ]; then
-  echo "error: this script is intended to be run in CI"
-  exit 1
-fi
-
-CLANG_TIDY_DIFF=${CLANG_TIDY_DIFF:-clang-tidy-diff.py}
-
-command -v bear >/dev/null 2>&1 || (
-  echo "error: bear is required to generate compile_commands.json; see https://github.com/rizsotto/Bear"
-  exit 1
-)
-
-# Run a clean build to generate compile_commands.json.
-make clean
-bear -- make
-git fetch origin "${GITHUB_BASE_REF}:refs/remotes/origin/${GITHUB_BASE_REF}"
-git diff -U0 "origin/${GITHUB_BASE_REF}" -- ':!test/' | ${CLANG_TIDY_DIFF} -p1