diff --git a/tests/defaults.c b/tests/defaults.c
index 5e3f3890..8ab490d3 100644
--- a/tests/defaults.c
+++ b/tests/defaults.c
@@ -30,14 +30,11 @@
 //========================================================================
 
 #include <GL/glfw3.h>
+#include <GL/glext.h>
 
 #include <stdio.h>
 #include <stdlib.h>
 
-#ifndef GL_ARB_multisample
- #define GL_SAMPLES_ARB 0x80A9
-#endif
-
 typedef struct
 {
     int param;