ActiveSupport::Concern deprecation warnings

lib/two_factor_authentication/models/two_factor_authenticatable.rb

@@ -8,22 +8,20 @@ module Devise
         ::Devise::Models.config(self, :login_code_random_pattern, :max_login_attempts)
       end
 
-      module InstanceMethods
-        def need_two_factor_authentication?
-          true
-        end
+      def need_two_factor_authentication?
+        true
+      end
 
-        def generate_two_factor_code
-          self.class.login_code_random_pattern.gen
-        end
+      def generate_two_factor_code
+        self.class.login_code_random_pattern.gen
+      end
 
-        def send_two_factor_authentication_code(code)
-          p "Code is #{code}"
-        end
+      def send_two_factor_authentication_code(code)
+        p "Code is #{code}"
+      end
 
-        def max_login_attempts?
-          second_factor_attempts_count >= self.class.max_login_attempts
-        end
+      def max_login_attempts?
+        second_factor_attempts_count >= self.class.max_login_attempts
       end
     end
   end