diff --git a/box-drawing.c b/box-drawing.c
index 35ecf1c8..e655bfdc 100644
--- a/box-drawing.c
+++ b/box-drawing.c
@@ -15,10 +15,6 @@
 #define LIGHT 1.0
 #define HEAVY 2.0
 
-#if defined(__GNUC__)
- #pragma GCC optimize("Os")
-#endif
-
 struct buf {
     uint8_t *data;
     int width;