diff --git a/firstuseauthenticator/firstuseauthenticator.py b/firstuseauthenticator/firstuseauthenticator.py
index 91c2572..7325c06 100644
--- a/firstuseauthenticator/firstuseauthenticator.py
+++ b/firstuseauthenticator/firstuseauthenticator.py
@@ -65,3 +65,12 @@ class FirstUseAuthenticator(Authenticator):
             else:
                 db[username] = bcrypt.hashpw(password.encode(), bcrypt.gensalt())
         return username
+
+    def delete_user(self, user):
+        """
+        When user is deleted, remove their entry from password db.
+
+        This lets passwords be reset by deleting users.
+        """
+        with dbm.open(self.dbm_path, 'c', 0o600) as db:
+            del db[user.name]
diff --git a/setup.py b/setup.py
index 2fb638a..a8500ff 100644
--- a/setup.py
+++ b/setup.py
@@ -2,7 +2,7 @@ from setuptools import setup, find_packages
 
 setup(
     name='jupyterhub-firstuseauthenticator',
-    version='0.10',
+    version='0.11',
     description='JupyterHub Authenticator that lets users set passwords on first use',
     url='https://github.com/yuvipanda/jupyterhub-firstuseauthenticator',
     author='Yuvi Panda',