diff --git a/contrib/postgres_fdw/postgres_fdw.c b/contrib/postgres_fdw/postgres_fdw.c
index 14a3f98..287d510 100644
--- a/contrib/postgres_fdw/postgres_fdw.c
+++ b/contrib/postgres_fdw/postgres_fdw.c
@@ -2516,23 +2516,20 @@ fetch_more_data(ForeignScanState *node)
 			pgfdw_report_error(ERROR, res, conn, false, fsstate->query);
 
 		/* Convert the data into HeapTuples */
 		numrows = PQntuples(res);
 		fsstate->tuples = (HeapTuple *) palloc0(numrows * sizeof(HeapTuple));
 		fsstate->num_tuples = numrows;
 		fsstate->next_tuple = 0;
 
 		for (i = 0; i < numrows; i++)
 		{
-			ForeignScan *fsplan = (ForeignScan *) node->ss.ps.plan;
-
-			Assert(IsA(fsplan, ForeignScan));
 			fsstate->tuples[i] =
 				make_tuple_from_result_row(res, i,
 										   fsstate->rel,
 										   fsstate->attinmeta,
 										   fsstate->retrieved_attrs,
 										   node,
 										   fsstate->temp_cxt);
 		}
 
 		/* Update fetch_ct_2 */