diff --git a/src/test/regress/expected/alter_table.out b/src/test/regress/expected/alter_table.out
index 9ab84f9..4f626dd 100644
--- a/src/test/regress/expected/alter_table.out
+++ b/src/test/regress/expected/alter_table.out
@@ -1503,20 +1503,22 @@ select * from another;
  two more   | 20
  three more | 30
 (3 rows)
 
 drop table another;
 -- table's row type
 create table tab1 (a int, b text);
 create table tab2 (x int, y tab1);
 alter table tab1 alter column b type varchar; -- fails
 ERROR:  cannot alter table "tab1" because column "tab2.y" uses its row type
+drop table tab2;
+drop table tab1;
 -- disallow recursive containment of row types
 create temp table recur1 (f1 int);
 alter table recur1 add column f2 recur1; -- fails
 ERROR:  composite type recur1 cannot be made a member of itself
 alter table recur1 add column f2 recur1[]; -- fails
 ERROR:  composite type recur1 cannot be made a member of itself
 create domain array_of_recur1 as recur1[];
 alter table recur1 add column f2 array_of_recur1; -- fails
 ERROR:  composite type recur1 cannot be made a member of itself
 create temp table recur2 (f1 int, f2 recur1);
diff --git a/src/test/regress/sql/alter_table.sql b/src/test/regress/sql/alter_table.sql
index b5d76ea..9d5ec63 100644
--- a/src/test/regress/sql/alter_table.sql
+++ b/src/test/regress/sql/alter_table.sql
@@ -1116,20 +1116,22 @@ alter table another
   alter f2 type bigint using f1 * 10;
 
 select * from another;
 
 drop table another;
 
 -- table's row type
 create table tab1 (a int, b text);
 create table tab2 (x int, y tab1);
 alter table tab1 alter column b type varchar; -- fails
+drop table tab2;
+drop table tab1;
 
 -- disallow recursive containment of row types
 create temp table recur1 (f1 int);
 alter table recur1 add column f2 recur1; -- fails
 alter table recur1 add column f2 recur1[]; -- fails
 create domain array_of_recur1 as recur1[];
 alter table recur1 add column f2 array_of_recur1; -- fails
 create temp table recur2 (f1 int, f2 recur1);
 alter table recur1 add column f2 recur2; -- fails
 alter table recur1 add column f2 int;