diff --git a/services/auth.py b/services/auth.py
index 152f1f5..fd547f7 100644
--- a/services/auth.py
+++ b/services/auth.py
@@ -3,7 +3,7 @@ from aiohttp import ClientSession
 from starlette.exceptions import HTTPException
 
 from models.member import ChatMember
-from services.core import get_author
+from services.core import authors_by_user
 
 from settings import AUTH_URL
 
@@ -63,7 +63,7 @@ def login_required(f):
         user_id = await check_auth(req)
         if user_id:
             context["user_id"] = user_id
-            author: ChatMember | None = await get_author(user_id)
+            author: ChatMember | None = authors_by_user.get(user_id)
             if author:
                 context["author_id"] = author["id"]
         return await f(*args, **kwargs)
diff --git a/services/core.py b/services/core.py
index 9a80d7c..2379e05 100644
--- a/services/core.py
+++ b/services/core.py
@@ -52,7 +52,3 @@ async def get_my_followed() -> List[ChatMember]:
     }
 
     return await _request_endpoint(query_name, gql) or []
-
-
-async def get_author(user: str = ""):
-    return authors_by_user.get(user)