diff --git a/hw/xbox/nv2a.c b/hw/xbox/nv2a.c
index 6c8c6cc0c5..0a37d3a2d4 100644
--- a/hw/xbox/nv2a.c
+++ b/hw/xbox/nv2a.c
@@ -3719,7 +3719,6 @@ static void pgraph_init(NV2AState *d)
     glextensions_init();
 
     assert(glo_check_extension("GL_EXT_texture_compression_s3tc"));
-    assert(glo_check_extension("GL_EXT_texture_snorm"));
     assert(glo_check_extension("GL_ARB_ES2_compatibility"));
 
     GLint max_vertex_attributes;