diff --git a/.github/workflows/ub1604c6r19.yml b/.github/workflows/ub1604c6r19.yml
deleted file mode 100644
index 1b7a5dd..0000000
--- a/.github/workflows/ub1604c6r19.yml
+++ /dev/null
@@ -1,14 +0,0 @@
-on:
-  [push]
-name: GNUstep on Ubuntu 16.04
-jobs:
-  testbuild:
-    name: Building GNUstep
-    runs-on: ubuntu-latest
-    steps:
-      - name: Check out the repository
-        uses: actions/checkout@master
-      - name: Execute test script
-        run: |
-          cd ubuntu-16.04-clang-6.0-runtime-1.9
-          sh ./test.sh