diff --git a/CMakeLists.txt b/CMakeLists.txt
index 70e77c0a..2ac26007 100755
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -48,16 +48,8 @@ endif()
 
 if(MSVC)
 	set(CMAKE_SUPPRESS_REGENERATION TRUE)
-endif()
-
-if(MSVC)
 	set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} /MP")
 	set(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} /MP")
-	if(MEGA_X86)
-		# This prevents usage of SSE2.
-		set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} /arch:SSE")
-		set(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} /arch:SSE")
-	endif()
 	message(STATUS "CMAKE_CXX_FLAGS_RELEASE: ${CMAKE_CXX_FLAGS_RELEASE}")
 	message(STATUS "CMAKE_C_FLAGS_RELEASE: ${CMAKE_C_FLAGS_RELEASE}")
 endif()