diff --git a/cmake_targets/CMakeLists.txt b/cmake_targets/CMakeLists.txt
index b65feb35c9..71832b43fc 100644
--- a/cmake_targets/CMakeLists.txt
+++ b/cmake_targets/CMakeLists.txt
@@ -176,8 +176,7 @@ set(CMAKE_EXE_LINKER_FLAGS  "${CMAKE_EXE_LINKER_FLAGS} -Wl,-rpath -Wl,${CMAKE_CU
 # these changes are related to hardcoded path to include .h files
 add_definitions(-DCMAKER)
 set(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS} -g -DMALLOC_CHECK_=3")
-#set(CMAKE_C_FLAGS_RELWITHDEBINFO "${CMAKE_C_FLAGS} -g -DMALLOC_CHECK_=3 -O2")
-set(CMAKE_C_FLAGS_RELWITHDEBINFO "${CMAKE_C_FLAGS} -g -DMALLOC_CHECK_=3")
+set(CMAKE_C_FLAGS_RELWITHDEBINFO "${CMAKE_C_FLAGS} -g -DMALLOC_CHECK_=3 -O2")
 
 
 set(GIT_BRANCH        "UNKNOWN")