diff --git a/cflags_linux.go b/cflags_linux.go
index fd11792..df89f82 100644
--- a/cflags_linux.go
+++ b/cflags_linux.go
@@ -3,7 +3,7 @@
 package imagequant
 
 /*
-#cgo CFLAGS: -O3 -fno-math-errno -fopenmp -funroll-loops -fomit-frame-pointer -Wall -Wno-attributes -std=c99 -DNDEBUG -DUSE_SSE=1 -msse -fexcess-precision=fast
+#cgo CFLAGS: -O3 -fopenmp -fomit-frame-pointer -Wall -Wno-attributes -std=c99 -DNDEBUG -DUSE_SSE=1 -msse
 #cgo LDFLAGS: -lm -fopenmp -ldl
 */
 import "C"