diff --git a/Makefile b/Makefile
index 23f69b4..dda88ff 100644
--- a/Makefile
+++ b/Makefile
@@ -1,5 +1,5 @@
 CC = clang
-CFLAGS += -O3 -pipe -march=native -mtune=native
+CFLAGS += -O3 -pipe
 
 all:
 	${CC} $(CFLAGS) uwurandom.c -o uwurandom