diff --git a/1992/gson/Makefile b/1992/gson/Makefile
index 7221834f2..12f562117 100644
--- a/1992/gson/Makefile
+++ b/1992/gson/Makefile
@@ -68,7 +68,7 @@ CINCLUDE=
 
 # Optimization
 #
-OPT= -ggdb3
+OPT= -O3
 
 # Default flags for ANSI C compilation
 #