diff --git a/codecs/ilbc/Makefile b/codecs/ilbc/Makefile
index 04b912dbe5..a9d07c3b7d 100755
--- a/codecs/ilbc/Makefile
+++ b/codecs/ilbc/Makefile
@@ -1,9 +1,5 @@
 ARCH=$(PROC)
-ifeq (${OSARCH},Darwin)
 CFLAGS+=-Wall -Werror -fPIC -O3 -funroll-loops -fomit-frame-pointer
-else
-CFLAGS+=-Wall -Werror -fPIC -O3 -march=$(ARCH) -funroll-loops -fomit-frame-pointer
-endif
 LIB=libilbc.a
 
 OBJS= anaFilter.o iCBSearch.o packing.o \