diff --git a/glxgears.c b/glxgears.c
index e7088fb..3de8cbd 100644
--- a/glxgears.c
+++ b/glxgears.c
@@ -12,12 +12,12 @@
 
 /* Conversion to GLUT by Mark J. Kilgard */
 
-#include "glut_wrap.h"
 #include <math.h>
 #include <stdio.h>
-#include <stdlib.h>
 #include <string.h>
 
+#include "glut_wrap.h"
+
 static GLint T0 = 0;
 static GLint Frames = 0;
 static GLint autoexit = 0;
@@ -252,7 +252,6 @@ static void update_idle_func(void) {
 }
 
 /* change view angle, exit upon ESC */
-/* ARGSUSED1 */
 static void key(unsigned char k, int, int) {
 	switch (k) {
 		case 'z':
@@ -282,7 +281,6 @@ static void key(unsigned char k, int, int) {
 }
 
 /* change view angle */
-/* ARGSUSED1 */
 static void special(int k, int, int) {
 	switch (k) {
 		case GLUT_KEY_UP: