diff --git a/CMakeLists.txt b/CMakeLists.txt
index ca8b5b291db1eb9dc2e6e7ec8297d16d52a1ce14..0c05e086c2d8ce056c0cccd9e841ae067b933fca 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -42,7 +42,7 @@ check_language(CUDA)
 if (CUDA_TOOLKIT_ROOT_DIR)
 enable_language(CUDA)
 set(CMAKE_CUDA_FLAGS "")
-set(CMAKE_CUDA_FLAGS_DEBUG "-g -DDEBUG -D_DEBUG -Wall")
+set(CMAKE_CUDA_FLAGS_DEBUG "-g -DDEBUG -D_DEBUG")
 set(CMAKE_CUDA_FLAGS_RELEASE "")
 set(HAVE_CUDA TRUE)
 include_directories(${CMAKE_CUDA_TOOLKIT_INCLUDE_DIRECTORIES})