# DROP USER `DROP USER` removes a role from Materialize. `DROP USER` removes a role from Materialize. `DROP USER` is an alias for [`DROP ROLE`](../drop-role). ## Syntax ```mzsql DROP USER [IF EXISTS] ; ``` Syntax element | Description ---------------|------------ **IF EXISTS** | Optional. If specified, do not return an error if the specified role does not exist. `` | The role you want to drop. For available roles, see [`mz_roles`](/reference/system-catalog/mz_catalog#mz_roles). ## Privileges The privileges required to execute this statement are: - `CREATEROLE` privileges on the system. ## Related pages - [`ALTER ROLE`](../alter-role) - [`CREATE ROLE`](../create-role) - [`DROP ROLE`](../drop-role) - [`GRANT ROLE`](../grant-role) - [`REVOKE ROLE`](../revoke-role) - [`GRANT PRIVILEGE`](../grant-privilege) - [`REVOKE PRIVILEGE`](../revoke-privilege)