--- src/CMakeLists.txt.orig	2018-04-18 16:11:00.227988702 +0200
+++ src/CMakeLists.txt	2018-04-18 16:11:14.228041424 +0200
@@ -97,9 +97,6 @@ if(APPLE)
 	set_source_files_properties(${OSX_ICON} PROPERTIES MACOSX_PACKAGE_LOCATION Resources)
 endif(APPLE)
 
-# enable SSE instructions for dumb library
-set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -D_USE_SSE -msse")
-
 add_executable(slade WIN32 MACOSX_BUNDLE
 	External/lzma/C/LzmaDec.c
 	External/mus2mid/mus2mid.cpp