diff --git a/lib/validates_timeliness/validator.rb b/lib/validates_timeliness/validator.rb
index dc01181..12d9522 100644
--- a/lib/validates_timeliness/validator.rb
+++ b/lib/validates_timeliness/validator.rb
@@ -18,10 +18,6 @@ module ValidatesTimeliness
       :timeliness
     end
 
-    def setup(klass)
-      @klass = klass
-    end
-
     def initialize(options)
       @type = options.delete(:type) || :datetime
       @allow_nil, @allow_blank = options.delete(:allow_nil), options.delete(:allow_blank)
@@ -34,9 +30,6 @@ module ValidatesTimeliness
       super
     end
 
-    def check_validity!
-    end
-
     def validate_each(record, attr_name, value)
       raw_value = record._timeliness_raw_value_for(attr_name) || value
       return if (@allow_nil && raw_value.nil?) || (@allow_blank && raw_value.blank?)