diff --git a/app/models/concerns/genkan/auth.rb b/app/models/concerns/genkan/auth.rb
index <HASH>..<HASH> 100644
--- a/app/models/concerns/genkan/auth.rb
+++ b/app/models/concerns/genkan/auth.rb
@@ -44,7 +44,7 @@ module Genkan
     end
 
     def banned?
-      self.banned_at.present?
+      banned_at.present?
     end
 
     def ban
Refactored Genkan::Auth