diff --git a/lib/active_merchant/billing/gateways/worldpay_online_payments.rb b/lib/active_merchant/billing/gateways/worldpay_online_payments.rb
index <HASH>..<HASH> 100644
--- a/lib/active_merchant/billing/gateways/worldpay_online_payments.rb
+++ b/lib/active_merchant/billing/gateways/worldpay_online_payments.rb
@@ -7,7 +7,7 @@ module ActiveMerchant #:nodoc:
 
       self.money_format = :cents
 
-      self.supported_countries = %w(HK US GB AU AD BE CH CY CZ DE DK ES FI FR GI GR HU IE IL IT LI LU MC MT NL NO NZ PL PT SE SG SI SM TR UM VA)
+      self.supported_countries = %w(HK US GB BE CH CZ DE DK ES FI FR GR HU IE IT LU MT NL NO PL PT SE SG TR)
       self.supported_cardtypes = [:visa, :master, :american_express, :discover, :jcb, :maestro, :laser, :switch]
 
       self.homepage_url = 'http://online.worldpay.com'
Worldpay: Removing unsupported countries