diff --git a/src/backend/nodes/nodeFuncs.c b/src/backend/nodes/nodeFuncs.c
index 6029da3ee1f..a7080f5cb24 100644
--- a/src/backend/nodes/nodeFuncs.c
+++ b/src/backend/nodes/nodeFuncs.c
@@ -4011,8 +4011,6 @@ raw_expression_tree_walker(Node *node,
 
 				if (walker(coldef->typeName, context))
 					return true;
-				if (walker(coldef->compression, context))
-					return true;
 				if (walker(coldef->raw_default, context))
 					return true;
 				if (walker(coldef->collClause, context))