diff --git a/Effects/model-combined.eff b/Effects/model-combined.eff
index b2d8cac0e..339e33e7c 100644
--- a/Effects/model-combined.eff
+++ b/Effects/model-combined.eff
@@ -169,8 +169,6 @@ please see Docs/README.model-combined.eff for documentation
GL_ARB_fragment_shader
- GL_EXT_gpu_shader4
- GL_ARB_texture_rg