diff --git a/app/models/customer_token.rb b/app/models/customer_token.rb
index a406245..e4922ac 100644
--- a/app/models/customer_token.rb
+++ b/app/models/customer_token.rb
@@ -11,7 +11,7 @@
 class CustomerToken < ActiveRecord::Base
   unloadable
   attr_accessible :token, :expires_at, :issue_id
-  validates_presence_of :token, :expires_at, :issue_id
+  validates_presence_of :expires_at, :issue_id
   before_create :generate_token
 
   OAUTH_CONSUMER_SECRET = Setting.plugin_redmine_qbo['settingsOAuthConsumerSecret']