diff --git a/lib/win32/sspi/server.rb b/lib/win32/sspi/server.rb
index 9a1dd35..151cdf1 100644
--- a/lib/win32/sspi/server.rb
+++ b/lib/win32/sspi/server.rb
@@ -13,7 +13,6 @@ class Server
       extend Windows::Functions
 
       attr_reader :type_1_message
-      attr_reader :type_2_message
       attr_reader :auth_type
       attr_reader :token
       attr_reader :username