diff --git a/application/Espo/Controllers/Oidc.php b/application/Espo/Controllers/Oidc.php
index 12b191674e..35e8d81fca 100644
--- a/application/Espo/Controllers/Oidc.php
+++ b/application/Espo/Controllers/Oidc.php
@@ -58,9 +58,10 @@ class Oidc
         $response->writeBody(Json::encode($data));
     }
 
+
     /**
      * @throws BadRequest
-     * @throws ForbiddenSilent
+     * @throws Forbidden
      */
     public function postActionBackchannelLogout(Request $request, Response $response): void
     {
diff --git a/application/Espo/Core/Authentication/Oidc/BackchannelLogout.php b/application/Espo/Core/Authentication/Oidc/BackchannelLogout.php
index ef2f3961a3..606fdc6d79 100644
--- a/application/Espo/Core/Authentication/Oidc/BackchannelLogout.php
+++ b/application/Espo/Core/Authentication/Oidc/BackchannelLogout.php
@@ -90,10 +90,6 @@ class BackchannelLogout
             return;
         }
 
-        if ($user->isPortal()) {
-            return;
-        }
-
         $authTokenList = $this->entityManager
             ->getRDBRepositoryByClass(AuthTokenEntity::class)
             ->where([