diff --git a/src/backend/executor/execPartition.c b/src/backend/executor/execPartition.c
index 7a4665cc4e..174afad093 100644
--- a/src/backend/executor/execPartition.c
+++ b/src/backend/executor/execPartition.c
@@ -939,7 +939,6 @@ get_partition_dispatch_recurse(Relation rel, Relation parent,
 	pd->reldesc = rel;
 	pd->key = partkey;
 	pd->keystate = NIL;
-	pd->partdesc = partdesc;
 	if (parent != NULL)
 	{
 		/*
diff --git a/src/include/executor/execPartition.h b/src/include/executor/execPartition.h
index 862bf65060..b67fef2914 100644
--- a/src/include/executor/execPartition.h
+++ b/src/include/executor/execPartition.h
@@ -25,7 +25,6 @@
  *	reldesc		Relation descriptor of the table
  *	key			Partition key information of the table
  *	keystate	Execution state required for expressions in the partition key
- *	partdesc	Partition descriptor of the table
  *	tupslot		A standalone TupleTableSlot initialized with this table's tuple
  *				descriptor
  *	tupmap		TupleConversionMap to convert from the parent's rowtype to
@@ -41,7 +40,6 @@ typedef struct PartitionDispatchData
 	Relation	reldesc;
 	PartitionKey key;
 	List	   *keystate;		/* list of ExprState */
-	PartitionDesc partdesc;
 	TupleTableSlot *tupslot;
 	TupleConversionMap *tupmap;
 	int		   *indexes;