diff --git a/progs/redbook/aapoly.c b/progs/redbook/aapoly.c
index b7b2b270902..64d06b7b3da 100644
--- a/progs/redbook/aapoly.c
+++ b/progs/redbook/aapoly.c
@@ -45,7 +45,6 @@
 #include <GL/glut.h>
 #include <stdlib.h>
 #include <stdio.h>
-#include <string.h>
 
 GLboolean polySmooth = GL_TRUE;