diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 04e03fb..63d18a3 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -410,7 +410,6 @@ jobs:
         if: matrix.cmake_tests != ''
         run: |
             cd ../boost-root
-            export CMAKE_TEST=1
             mkdir __build_cmake_test__ && cd __build_cmake_test__
             cmake -DBUILD_TESTING=ON -DBOOST_INCLUDE_LIBRARIES=$LIBRARY ..
             cmake --build . --target tests
@@ -419,9 +418,8 @@ jobs:
       - name: Run CMake subdir tests
         if: matrix.cmake_tests != ''
         run: |
-            cd ../boost-root
-            export CMAKE_SUBDIR_TEST=1
-            cd libs/$LIBRARY/test/cmake_subdir_test && mkdir __build_cmake_subdir_test__ && cd __build_cmake_subdir_test__
+            cd ../boost-root/libs/$LIBRARY/test/cmake_subdir_test
+            mkdir __build_cmake_subdir_test__ && cd __build_cmake_subdir_test__
             cmake ..
             cmake --build .
             cmake --build . --target check
@@ -430,11 +428,11 @@ jobs:
         if: matrix.cmake_tests != ''
         run: |
             cd ../boost-root
-            export CMAKE_INSTALL_TEST=1
             mkdir __build_cmake_install_test__ && cd __build_cmake_install_test__
             cmake -DBOOST_INCLUDE_LIBRARIES=$LIBRARY -DCMAKE_INSTALL_PREFIX=~/.local ..
             cmake --build . --target install
-            cd libs/$LIBRARY/test/cmake_install_test && mkdir __build_cmake_install_test__ && cd __build_cmake_install_test__
+            cd ../libs/$LIBRARY/test/cmake_install_test
+            mkdir __build_cmake_install_test__ && cd __build_cmake_install_test__
             cmake -DCMAKE_INSTALL_PREFIX=~/.local ..
             cmake --build .
             cmake --build . --target check