diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 8587728d..45846623 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -25,7 +25,6 @@ jobs:
       - name: CMake Version
         run: cmake --version
       - run: cmake -S. -B ./build_auto
-      - run: cmake -S. -B ./build_unknown -DGLM_DISABLE_AUTO_DETECTION=ON
       - run: cmake -S. -B ./build_pure_std -DGLM_TEST_FORCE_PURE=ON -DGLM_TEST_ENABLE_CXX_${{matrix.std}}=ON
       - run: cmake -S. -B ./build_pure_ext -DGLM_TEST_FORCE_PURE=ON -DGLM_TEST_ENABLE_CXX_${{matrix.std}}=ON -DGLM_TEST_ENABLE_LANG_EXTENSIONS=ON
       - run: cmake -S. -B ./build_sse2_std -DGLM_TEST_ENABLE_SIMD_SSE2=ON -DGLM_TEST_ENABLE_CXX_${{matrix.std}}=ON
@@ -35,7 +34,6 @@ jobs:
       - run: cmake -S. -B ./build_avx2_std -DGLM_TEST_ENABLE_SIMD_AVX2=ON -DGLM_TEST_ENABLE_CXX_${{matrix.std}}=ON
       - run: cmake -S. -B ./build_avx2_ext -DGLM_TEST_ENABLE_SIMD_AVX2=ON -DGLM_TEST_ENABLE_CXX_${{matrix.std}}=ON -DGLM_TEST_ENABLE_LANG_EXTENSIONS=ON
       - run: cmake --build ./build_auto --config ${{matrix.config}}
-      - run: cmake --build ./build_unknown --config ${{matrix.config}}
       - run: cmake --build ./build_pure_std --config ${{matrix.config}}
       - run: cmake --build ./build_pure_ext --config ${{matrix.config}}
       - run: cmake --build ./build_sse2_std --config ${{matrix.config}}
@@ -45,7 +43,6 @@ jobs:
       - run: cmake --build ./build_avx2_std --config ${{matrix.config}}
       - run: cmake --build ./build_avx2_ext --config ${{matrix.config}}
       - run: ctest --verbose -C ${{matrix.config}} --test-dir ./build_auto
-      - run: ctest --verbose -C ${{matrix.config}} --test-dir ./build_unknown
       - run: ctest --verbose -C ${{matrix.config}} --test-dir ./build_pure_std
       - run: ctest --verbose -C ${{matrix.config}} --test-dir ./build_pure_ext
       - run: ctest --verbose -C ${{matrix.config}} --test-dir ./build_sse2_std