diff --git a/CMakeLists.txt b/CMakeLists.txt
index ac9b76a009d..e642734a33c 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -108,9 +108,9 @@ if (USE_LIBCXX)
 endif ()
 
 # Special options for better optimized code with clang
-if (CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
-    set (CMAKE_CXX_FLAGS_RELWITHDEBINFO  "${CMAKE_CXX_FLAGS_RELWITHDEBINFO} -Wno-unused-command-line-argument -mllvm -inline-threshold=10000")
-endif ()
+#if (CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
+#    set (CMAKE_CXX_FLAGS_RELWITHDEBINFO  "${CMAKE_CXX_FLAGS_RELWITHDEBINFO} -Wno-unused-command-line-argument -mllvm -inline-threshold=10000")
+#endif ()
 
 set (CMAKE_BUILD_COLOR_MAKEFILE          ON)
 set (CMAKE_CXX_FLAGS                     "${CMAKE_CXX_FLAGS} ${COMPILER_FLAGS} -std=gnu++1z ${PLATFORM_EXTRA_CXX_FLAG} -fno-omit-frame-pointer ${COMMON_WARNING_FLAGS} ${CXX_WARNING_FLAGS} ${GLIBC_COMPATIBILITY_COMPILE_FLAGS}")