diff --git a/backend/open_webui/utils/oauth.py b/backend/open_webui/utils/oauth.py
index 9a35e30c3f..47302e7535 100644
--- a/backend/open_webui/utils/oauth.py
+++ b/backend/open_webui/utils/oauth.py
@@ -1922,10 +1922,10 @@ class OAuthManager:
                 users_to_logout.append(user)
 
         if not users_to_logout and sid:
-            log.info(f'Back-channel logout: no user found by sub, sid-based lookup not yet supported (sid={sid})')
+            log.debug(f'Back-channel logout: no user found by sub, sid-based lookup not yet supported (sid={sid})')
 
         if not users_to_logout:
-            log.info(f'Back-channel logout: no matching user for provider={matched_provider}, sub={sub}, sid={sid}')
+            log.debug(f'Back-channel logout: no matching user for provider={matched_provider}, sub={sub}, sid={sid}')
             return JSONResponse(status_code=200, content={})
 
         # 9. Revoke tokens and delete sessions