diff --git a/src/test/regress/expected/cluster.out b/src/test/regress/expected/cluster.out
index f537f00a5ce9f83da2706a8773828be41d341766..105b4c8ec21b3de55914c17e423bea6be6fe4e90 100644
--- a/src/test/regress/expected/cluster.out
+++ b/src/test/regress/expected/cluster.out
@@ -333,7 +333,7 @@ INSERT INTO clstr_3 VALUES (1);
 -- this user can only cluster clstr_1 and clstr_3, but the latter
 -- has not been clustered
 SET SESSION AUTHORIZATION clstr_user;
-CLUSTER ALL;
+CLUSTER;
 SELECT * FROM clstr_1 UNION ALL
   SELECT * FROM clstr_2 UNION ALL
   SELECT * FROM clstr_3;
diff --git a/src/test/regress/sql/cluster.sql b/src/test/regress/sql/cluster.sql
index dc05f9f363573dbf9bd223ddbb68c0b11509dacd..57b80ba98bc578ab50da91a96c30546452f32664 100644
--- a/src/test/regress/sql/cluster.sql
+++ b/src/test/regress/sql/cluster.sql
@@ -125,7 +125,7 @@ INSERT INTO clstr_3 VALUES (1);
 -- this user can only cluster clstr_1 and clstr_3, but the latter
 -- has not been clustered
 SET SESSION AUTHORIZATION clstr_user;
-CLUSTER ALL;
+CLUSTER;
 SELECT * FROM clstr_1 UNION ALL
   SELECT * FROM clstr_2 UNION ALL
   SELECT * FROM clstr_3;