diff --git a/cmake/flags.cmake b/cmake/flags.cmake
index 47bb83b00ab6d47360e207dd573a16ccc4152b0d..ff246b2eb4ed97dd14d45763569b661cefd203c8 100644
--- a/cmake/flags.cmake
+++ b/cmake/flags.cmake
@@ -153,7 +153,7 @@ set(CUDA_PROPAGATE_HOST_FLAGS OFF)
 
 # Release/Debug flags set by cmake. Such as -O3 -g -DNDEBUG etc.
 # So, don't set these flags here.
-LIST(APPEND CUDA_NVCC_FLAGS -std=c++11 --default-stream per-thread)
+LIST(APPEND CUDA_NVCC_FLAGS -std=c++11)
 LIST(APPEND CUDA_NVCC_FLAGS --use_fast_math)
 
 if(CMAKE_BUILD_TYPE  STREQUAL "Debug")