--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -595,7 +595,7 @@ if(CUDA_FOUND)
     )
     set(OSD_GPU TRUE)
 
-    if (UNIX)
+    if (FALSE)
         list( APPEND CUDA_NVCC_FLAGS -Xcompiler -fPIC )
         # Use OSD_CUDA_NVCC_FLAGS to specify --gpu-architecture or other CUDA
         # compilation options. The overrides here are only for compatibility
@@ -609,7 +609,7 @@ if(CUDA_FOUND)
         endif()
     endif()
 
-    if (DEFINED OSD_CUDA_NVCC_FLAGS)
+    if (FALSE)
         list( APPEND CUDA_NVCC_FLAGS ${OSD_CUDA_NVCC_FLAGS})
     endif()