diff --git a/src/Makefile b/src/Makefile
index 1b2cded..06da9ca 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -213,7 +213,7 @@ 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