diff --git a/src/backend/nodes/nodeFuncs.c b/src/backend/nodes/nodeFuncs.c
index 94b697b7a2..d203702c13 100644
--- a/src/backend/nodes/nodeFuncs.c
+++ b/src/backend/nodes/nodeFuncs.c
@@ -3924,8 +3924,6 @@ 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))