diff --git a/pgsync/node.py b/pgsync/node.py
index cf726aba..b838a81d 100644
--- a/pgsync/node.py
+++ b/pgsync/node.py
@@ -288,8 +288,6 @@ def build(self, data: dict) -> Node:
         )
 
         self.tables.add(node.table)
-        for through_node in node.relationship.through_nodes:
-            self.tables.add(through_node.table)
 
         for child in data.get("children", []):
             node.add_child(self.build(child))