diff --git a/src/backend/commands/copyfrom.c b/src/backend/commands/copyfrom.c
index 0d6b34206a..7b3f5a84b8 100644
--- a/src/backend/commands/copyfrom.c
+++ b/src/backend/commands/copyfrom.c
@@ -1340,10 +1340,6 @@ BeginCopyFrom(ParseState *pstate,
 
 	cstate->whereClause = whereClause;
 
-	MemoryContextSwitchTo(oldcontext);
-
-	oldcontext = MemoryContextSwitchTo(cstate->copycontext);
-
 	/* Initialize state variables */
 	cstate->eol_type = EOL_UNKNOWN;
 	cstate->cur_relname = RelationGetRelationName(cstate->rel);