diff --git a/src/renderer_gl.h b/src/renderer_gl.h
index 6e0f840b5..f54606bb6 100644
--- a/src/renderer_gl.h
+++ b/src/renderer_gl.h
@@ -8,6 +8,24 @@
 
 #if BGFX_CONFIG_RENDERER_OPENGL
 #	include <GL/gl.h>
+
+// remove deprecated from glext.h
+#	define GL_VERSION_1_2_DEPRECATED
+#	define GL_ARB_imaging_DEPRECATED
+#	define GL_VERSION_1_3_DEPRECATED
+#	define GL_VERSION_1_4_DEPRECATED
+#	define GL_VERSION_1_5_DEPRECATED
+#	define GL_VERSION_2_0_DEPRECATED
+#	define GL_VERSION_2_1_DEPRECATED
+// ignore everything above 2.1
+#	define GL_VERSION_3_0
+#	define GL_VERSION_3_0_DEPRECATED
+#	define GL_VERSION_3_1
+#	define GL_VERSION_3_2
+#	define GL_VERSION_3_3
+#	define GL_VERSION_4_0
+#	define GL_VERSION_4_1
+#	define GL_VERSION_4_2
 #	include <gl/glext.h>
 #elif BGFX_CONFIG_RENDERER_OPENGLES
 #	include <GLES2/gl2.h>