diff --git a/src/Makefile.orig b/src/Makefile
index 3e2c070..8327d45 100644
--- a/src/Makefile.orig
+++ b/src/Makefile
@@ -206,7 +206,7 @@ endif
 # Enable optimizations for 'cli'.
 FLTO = -flto
 ifdef IS_GCC
-OPT_CFLAGS = -O3 -mtune=generic # '-Ofast' makes things unstable
+OPT_CFLAGS = -O3 # '-Ofast' makes things unstable
 OPT_LIBS = # $(FLTO)
 endif
 ifdef IS_CLANG