diff --git a/.github/workflows/cmake.yml b/.github/workflows/cmake.yml
index e4fbd3f..904f58d 100644
--- a/.github/workflows/cmake.yml
+++ b/.github/workflows/cmake.yml
@@ -42,14 +42,6 @@ jobs:
             cc: "gcc", cxx: "g++",
             extra_path: "",
           }
-        - {
-            name: "Ubuntu 20.04 GCC",
-            os: ubuntu-20.04,
-            generator: "Unix Makefiles",
-            build_type: "Debug",
-            cc: "gcc", cxx: "g++",
-            extra_path: "",
-          }
         - {
             name: "macOS Latest Clang",
             os: macos-latest,