Clean fails for PROCEDURE

[alextercete]

Which version and edition of Flyway are you using?

6.1.0

Which client are you using? (Command-line, Java API, Maven plugin, Gradle plugin)

CLI

Which database are you using (type & version)?

Postgres 12

Which operating system are you using?

Windows

What did you do?

(Please include the content causing the issue, any relevant configuration settings, the SQL statement that failed (if relevant) and the command you ran.)

flyway migrate followed by flyway clean for the following migration:

CREATE PROCEDURE insert_data(a VARCHAR, b VARCHAR)

LANGUAGE SQL

AS $$

INSERT INTO test_data VALUES (a);

INSERT INTO test_data VALUES (b);

$$;

What did you expect to see?

Clean succeeds.

What did you see instead?

Clean fails with:

org.flywaydb.core.internal.exception.FlywaySqlException: 
Unable to clean schema "public"
-------------------------------
SQL State  : 42809
Error Code : 0
Message    : ERROR: public.insert_data(character varying, character varying) is not a function