diff --git a/src/backend/commands/copyfrom.c b/src/backend/commands/copyfrom.c
index b47cb5c66d..70871ed819 100644
--- a/src/backend/commands/copyfrom.c
+++ b/src/backend/commands/copyfrom.c
@@ -1533,8 +1533,6 @@ BeginCopyFrom(ParseState *pstate,
 		cstate->rteperminfos = pstate->p_rteperminfos;
 	}
 
-	tupDesc = RelationGetDescr(cstate->rel);
-	num_phys_attrs = tupDesc->natts;
 	num_defaults = 0;
 	volatile_defexprs = false;