diff --git a/tools/ci/amd64/clang/msan.sh b/tools/ci/amd64/clang/msan.sh
index f2275fa..6f1539e 100755
--- a/tools/ci/amd64/clang/msan.sh
+++ b/tools/ci/amd64/clang/msan.sh
@@ -8,14 +8,10 @@ Xvfb :99 -screen 0 1024x768x16 &
 export CXX=$(which clang++)
 export CC=$(which clang)
 export DISPLAY=:99
-export PKG_CONFIG_PATH=/msan/lib/pkgconfig:${PKG_CONFIG_PATH}
 
 cmake . \
 -Bbuild \
 -GNinja \
--DCMAKE_INCLUDE_PATH=/msan/include \
--DCMAKE_LIBRARY_PATH=/msan/lib \
--DCMAKE_PREFIX_PATH=/msan \
 -DCMAKE_LINKER_TYPE=MOLD \
 -DENABLE_UNIT_TESTS=ON \
 -DCMAKE_BUILD_TYPE=Release \
@@ -30,7 +26,6 @@ cmake . \
 -DCMAKE_EXE_LINKER_FLAGS=" \
 -fsanitize=memory \
 -fsanitize-memory-track-origins \
--L/msan/lib -Wl,-rpath,/msan/lib \
 -L/libcxx_msan/lib -Wl,-rpath,/libcxx_msan/lib \
 -lc++ \
 -lc++abi" \