diff --git a/pyphi/visualize/phi_structure/__init__.py b/pyphi/visualize/phi_structure/__init__.py
index 9de99b235..4854fdf9f 100644
--- a/pyphi/visualize/phi_structure/__init__.py
+++ b/pyphi/visualize/phi_structure/__init__.py
@@ -165,6 +165,8 @@ def plot_phi_structure(
             )
 
     # Relations
+    relations = [r for r in phi_structure.relations if len(r)<4]
+    relations = pyphi.new_big_phi.ConcreteRelations(relations)
     if theme["show"].get("two_faces") or theme["show"].get("three_faces"):
         two_faces = relation_two_faces
         three_faces = relation_three_faces