diff --git a/build/premake/premake.lua b/build/premake/premake.lua
index 4dae1a0e1a..ef36fce4bb 100755
--- a/build/premake/premake.lua
+++ b/build/premake/premake.lua
@@ -190,10 +190,6 @@ function package_set_build_flags()
 				-- enable SSE intrinsics
 				"-msse",
 
-				-- speed up math functions by inlining. warning: this may result in
-				-- non-IEEE-conformant results, but haven't noticed any trouble so far.
-				"-ffast-math",
-
 				-- don't omit frame pointers (for now), because performance will be impacted
 				-- negatively by the way this breaks profilers more than it will be impacted
 				-- positively by the optimisation