diff --git a/neo/CMakeLists.txt b/neo/CMakeLists.txt
index a57d47be..d8c32b78 100644
--- a/neo/CMakeLists.txt
+++ b/neo/CMakeLists.txt
@@ -234,9 +234,9 @@ if(CMAKE_COMPILER_IS_GNUCC OR CMAKE_C_COMPILER_ID STREQUAL "Clang")
 	set(CMAKE_C_FLAGS_DEBUG "-g -ggdb -D_DEBUG -O0")
 	set(CMAKE_C_FLAGS_DEBUGALL "-g -ggdb -D_DEBUG")
 	set(CMAKE_C_FLAGS_PROFILE "-g -ggdb -D_DEBUG -O1 -fno-omit-frame-pointer")
-	set(CMAKE_C_FLAGS_RELEASE "-O2 -fno-unsafe-math-optimizations -fno-math-errno -fno-trapping-math -fomit-frame-pointer")
-	set(CMAKE_C_FLAGS_RELWITHDEBINFO "-g -ggdb -O2 -fno-unsafe-math-optimizations -fno-math-errno -fno-trapping-math -fno-omit-frame-pointer")
-	set(CMAKE_C_FLAGS_MINSIZEREL "-Os -fno-unsafe-math-optimizations -fno-math-errno -fno-trapping-math -fomit-frame-pointer")
+	set(CMAKE_C_FLAGS_RELEASE "-O2 -fno-math-errno -fno-trapping-math -fomit-frame-pointer")
+	set(CMAKE_C_FLAGS_RELWITHDEBINFO "-g -ggdb -O2 -fno-math-errno -fno-trapping-math -fno-omit-frame-pointer")
+	set(CMAKE_C_FLAGS_MINSIZEREL "-Os -fno-math-errno -fno-trapping-math -fomit-frame-pointer")
 
 	set(CMAKE_CXX_FLAGS_DEBUGALL ${CMAKE_C_FLAGS_DEBUGALL})
 	set(CMAKE_CXX_FLAGS_PROFILE ${CMAKE_C_FLAGS_PROFILE})