diff --git a/contrib/pg_upgrade/test.sh b/contrib/pg_upgrade/test.sh
index 0dcbc93d412..9b4b132d23b 100644
--- a/contrib/pg_upgrade/test.sh
+++ b/contrib/pg_upgrade/test.sh
@@ -12,8 +12,6 @@
 set -e
 
 : ${MAKE=make}
-: ${PGPORT=50432}
-export PGPORT
 
 testhost=`uname -s`