--- include/GL/glui.h.orig	2018-08-27 05:58:18.000000000 -0700
+++ include/GL/glui.h	2018-08-27 06:16:26.000000000 -0700
@@ -38,29 +38,7 @@
 // that come from old GLUT headers.
 #include <cstdlib>
 
-#if defined(GLUI_FREEGLUT)
-
-  // FreeGLUT does not yet work perfectly with GLUI
-  //  - use at your own risk.
-  
-  #include <GL/freeglut.h>
-
-#elif defined(GLUI_OPENGLUT)
-
-  // OpenGLUT does not yet work properly with GLUI
-  //  - use at your own risk.
-  
-  #include <GL/openglut.h>
-
-#else 
-
-  #ifdef __APPLE__
-  #include <GLUT/glut.h>
-  #else
-  #include <GL/glut.h>
-  #endif
-
-#endif
+#include <GL/glut.h>
 
 #include <cstdio>
 #include <cstring>