diff --git a/Makefile b/Makefile
index 5d26541..0413141 100644
--- a/Makefile
+++ b/Makefile
@@ -1,4 +1,3 @@
-CFLAGS=-std=c99 -Wextra -pedantic -g -O2
 CC=clang
 
 CFLAGS=-std=c99 -Wextra -pedantic -g -O0