diff --git a/src/backend/parser/parse_target.c b/src/backend/parser/parse_target.c
index 6ccc14af5ea..dd74bf93e1d 100644
--- a/src/backend/parser/parse_target.c
+++ b/src/backend/parser/parse_target.c
@@ -209,7 +209,9 @@ transformTargetList(ParseState *pstate, List *targetlist,
  * This is the identical transformation to transformTargetList, except that
  * the input list elements are bare expressions without ResTarget decoration,
  * and the output elements are likewise just expressions without TargetEntry
- * decoration.  We use this for ROW() and VALUES() constructs.
+ * decoration.  Also, we don't expect any multiassign constructs within the
+ * list, so there's nothing to do for that.  We use this for ROW() and
+ * VALUES() constructs.
  */
 List *
 transformExpressionList(ParseState *pstate, List *exprlist,
@@ -261,9 +263,6 @@ transformExpressionList(ParseState *pstate, List *exprlist,
 						 transformExpr(pstate, e, exprKind));
 	}
 
-	/* Shouldn't have any multiassign items here */
-	Assert(pstate->p_multiassign_exprs == NIL);
-
 	return result;
 }