diff --git a/master.cfg b/master.cfg
index 2f41906..0c2f555 100644
--- a/master.cfg
+++ b/master.cfg
@@ -173,13 +173,6 @@ c["titleURL"] = "https://gitea.parrrate.ru/PTV/radn-rs"
 c["buildbotURL"] = os.environ.get("BUILDBOT_WEB_URL", "http://localhost:8010/")
 
 
-class GiteaAuth(OAuth2Auth):
-    name = "Gitea"
-    authUri = "https://gitea.parrrate.ru/login/oauth/authorize"
-    tokenUri = "https://gitea.parrrate.ru/login/oauth/access_token"
-    faIcon = "https://gitea.parrrate.ru/assets/img/logo.svg"
-
-
 # minimalistic config to activate new web UI
 c["www"] = {
     "port": os.environ.get("BUILDBOT_WEB_PORT", 8010),
@@ -188,7 +181,11 @@ c["www"] = {
         "console_view": {},
     },
     "change_hook_dialects": {},
-    "auth": GiteaAuth(CLIENT_ID, CLIENT_SECRET),
+    "auth": util.GiteaAuth(
+        endpoint="https://gitea.parrrate.ru",
+        client_id=CLIENT_ID,
+        client_secret=CLIENT_SECRET,
+    ),
     "authz": util.Authz(
         allowRules=[util.AnyControlEndpointMatcher(role="admins")], roleMatchers=[]
     ),