diff --git a/surf/subd/cc.py b/surf/subd/cc.py
index 2d37ed6..3b4dfbf 100644
--- a/surf/subd/cc.py
+++ b/surf/subd/cc.py
@@ -103,7 +103,6 @@ def refine(mesh):
             # evid connected to both the vid and the fvid (2 vids)
             evids_for_vid = [e + e_vert_offset for e in
                     mesh.edges_for_vert[connected_vid]]
-            assert len(evids_for_vid) == 3
             common_ids = list(set(evids_for_vid) & set(evids_for_current_face))
             assert len(common_ids) == 2
             # then connect the (4) vids together ...