diff --git a/.github/workflows/check-c.yml b/.github/workflows/check-c.yml
index fc0e9a065e..c02a5bb264 100644
--- a/.github/workflows/check-c.yml
+++ b/.github/workflows/check-c.yml
@@ -102,37 +102,6 @@ jobs:
     - name: cppcheck
       run: make cppcheck
 
-  # new cppcheck version currently chokes on checkcfg.c and main.c, therefore
-  # scan all files also with older cppcheck version from ubuntu 20.04.
-  cppcheck_old:
-    runs-on: ubuntu-20.04
-    timeout-minutes: 10
-    steps:
-    - name: Harden Runner
-      uses: step-security/harden-runner@4d991eb9b905ef189e4c376166672c3f2f230481
-      with:
-        egress-policy: block
-        allowed-endpoints: >
-          archive.ubuntu.com:80
-          azure.archive.ubuntu.com:80
-          github.com:443
-          packages.microsoft.com:443
-          ppa.launchpad.net:80
-          ppa.launchpadcontent.net:443
-          security.ubuntu.com:80
-    - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683
-    - name: update package information
-      run: sudo apt-get update -qy
-    - name: install cppcheck
-      run: sudo apt-get install -qy cppcheck
-    - name: configure
-      run: >
-        ./configure CPPCHECK="cppcheck -q -j '$(nproc)'"
-        || (cat config.log; exit 1)
-    - run: cppcheck --version
-    - name: cppcheck-old
-      run: make cppcheck-old
-
   codeql-cpp:
     permissions:
       actions: read
diff --git a/Makefile b/Makefile
index 78d07c3470..a261e37ed2 100644
--- a/Makefile
+++ b/Makefile
@@ -376,11 +376,6 @@ cppcheck:
 	$(CPPCHECK) --force --error-exitcode=1 --enable=warning,performance \
 	  -i src/firejail/checkcfg.c -i src/firejail/main.c .
 
-# For cppcheck 1.x; see .github/workflows/check-c.yml
-.PHONY: cppcheck-old
-cppcheck-old:
-	$(CPPCHECK) --force --error-exitcode=1 --enable=warning,performance .
-
 .PHONY: scan-build
 scan-build: clean
 	$(SCAN_BUILD) --status-bugs $(MAKE)