diff --git a/.github/workflows/pull_request.yml b/.github/workflows/pull_request.yml
index 7246fd3..fc956e9 100644
--- a/.github/workflows/pull_request.yml
+++ b/.github/workflows/pull_request.yml
@@ -18,8 +18,7 @@ jobs:
             echo "source file differs, checksec needs build"
             exit 1
           fi
-      - name: ubuntu checksec
+      - name: Checksec tests
         run: |
-          curl -L "https://github.com/docker/compose/releases/download/v2.29.2/docker-compose-linux-x86_64" -o /usr/local/bin/docker-compose
-          chmod +x /usr/local/bin/docker-compose
-          docker-compose run checksec-ubuntu
+          docker build -t checksec:test -f Dockerfile.ubuntu .
+          docker run -t checksec:test tests/test-checksec.sh
diff --git a/compare_list.txt b/compare_list.txt
deleted file mode 100644
index 299cd1c..0000000
--- a/compare_list.txt
+++ /dev/null
@@ -1,4 +0,0 @@
-compare list
-
-/usr/bin/aarch64-linux-gnu-gcov-11
-/usr/bin/systemd-notify
diff --git a/docker-compose.yml b/docker-compose.yml
deleted file mode 100644
index d4a8ebb..0000000
--- a/docker-compose.yml
+++ /dev/null
@@ -1,13 +0,0 @@
-services:
-  checksec-ubuntu:
-    build:
-      context: ./
-      dockerfile: Dockerfile.ubuntu
-    image: checksec-ubuntu
-    command: bash -c "./tests/test-checksec.sh"
-
-  shellcheck:
-    volumes:
-      - .:/mnt
-    image: koalaman/shellcheck
-    command: "checksec"