Fix remove role function

app/Models/User.php

@@ -157,7 +157,11 @@ class User extends Authenticatable implements HasPasskeys
             return;
         }
 
-        $this->roles = array_diff($this->roles, [$role->value]);
+        $this->roles = collect($this->roles)
+            ->reject(fn ($value) => $value === $role->value)
+            ->values()
+            ->all();
+
         $this->save();
     }
 }