diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 636ae4e..cd4f791 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -38,7 +38,6 @@ jobs:
           - 16
           - 17
           - 18
-          - 19
     steps:
     - uses: actions/checkout@v4
     - name: Build and test the Docker image
@@ -66,7 +65,6 @@ jobs:
           - 16
           - 17
           - 18
-          - 19
         path:
           - check: 'test/known_fail'
             exclude: 'capital'
diff --git a/README.md b/README.md
index 73bc5f0..f56edf1 100644
--- a/README.md
+++ b/README.md
@@ -25,7 +25,6 @@ You can define your own formatting rules in a `.clang-format` file at your repos
 * 16: `clang-format-16`
 * 17: `clang-format-17`
 * 18: `clang-format-18`
-* 19: `clang-format-19`
 
 ## Action version upgrade guarantee