diff --git a/frappe/installer.py b/frappe/installer.py
index 2d2856e179..00010d6788 100644
--- a/frappe/installer.py
+++ b/frappe/installer.py
@@ -174,7 +174,7 @@ def install_db(
 	if setup:
 		setup_database(force, verbose, no_mariadb_socket)
 		if rollback_callback:
-			rollback_callback.add(drop_user_and_database(db_name, db_user or db_name))
+			rollback_callback.add(lambda: drop_user_and_database(db_name, db_user or db_name))
 
 	bootstrap_database(
 		verbose=verbose,
diff --git a/frappe/utils/__init__.py b/frappe/utils/__init__.py
index d89b5e62bf..4a531468d9 100644
--- a/frappe/utils/__init__.py
+++ b/frappe/utils/__init__.py
@@ -2,7 +2,6 @@
 # License: MIT. See LICENSE
 
 import functools
-import hashlib
 import io
 import os
 import shutil