diff --git a/libethash-cuda/CMakeLists.txt b/libethash-cuda/CMakeLists.txt
index bbd2e529f..8a36baab8 100644
--- a/libethash-cuda/CMakeLists.txt
+++ b/libethash-cuda/CMakeLists.txt
@@ -43,8 +43,8 @@ else()
 		list(APPEND CUDA_NVCC_FLAGS "-gencode arch=compute_35,code=sm_35")
 	    list(APPEND CUDA_NVCC_FLAGS "-gencode arch=compute_37,code=sm_37")
 	endif()
-	list(APPEND CUDA_NVCC_FLAGS "-gencode arch=compute_35,code=sm_35")
-	list(APPEND CUDA_NVCC_FLAGS "-gencode arch=compute_37,code=sm_37")
+	#list(APPEND CUDA_NVCC_FLAGS "-gencode arch=compute_35,code=sm_35")
+	#list(APPEND CUDA_NVCC_FLAGS "-gencode arch=compute_37,code=sm_37")
 	list(APPEND CUDA_NVCC_FLAGS "-gencode arch=compute_50,code=sm_50")
 	list(APPEND CUDA_NVCC_FLAGS "-gencode arch=compute_52,code=sm_52")
 	list(APPEND CUDA_NVCC_FLAGS "-gencode arch=compute_53,code=sm_53")