diff --git a/UnitTests/run_cmake.sh b/UnitTests/run_cmake.sh
index 5c324b2e..71fa50d2 100644
--- a/UnitTests/run_cmake.sh
+++ b/UnitTests/run_cmake.sh
@@ -7,7 +7,7 @@ fi
 cd Build
 
 if [[ "$TESTOS" == "OSX" ]]; then
-  cmake -G Ninja .. -DCMAKE_TOOLCHAIN_FILE=../Targets/Mac-python3.cmake \
+  cmake -G Ninja \
     -DCMAKE_BUILD_TYPE=Release ;
 else
   if [[ "${NOIALLGATHER:-0}" -eq 1 ]]; then