diff --git a/lib/validates_timeliness/extensions/date_time_select.rb b/lib/validates_timeliness/extensions/date_time_select.rb
index 1f07cde..83eed35 100644
--- a/lib/validates_timeliness/extensions/date_time_select.rb
+++ b/lib/validates_timeliness/extensions/date_time_select.rb
@@ -13,28 +13,27 @@ module ValidatesTimeliness
         alias_method_chain :value, :timeliness
       end
 
-      module InstanceMethods
-
-        class TimelinessDateTime
-          attr_accessor :year, :month, :day, :hour, :min, :sec
-          
-          def initialize(year, month, day, hour, min, sec)
-            @year, @month, @day, @hour, @min, @sec = year, month, day, hour, min, sec
-          end
-          
-          # adapted from activesupport/lib/active_support/core_ext/date_time/calculations.rb, line 36 (3.0.7)
-          def change(options)
-            TimelinessDateTime.new(
-              options[:year]  || year,
-              options[:month] || month,
-              options[:day]   || day,
-              options[:hour]  || hour,
-              options[:min]   || (options[:hour] ? 0 : min),
-              options[:sec]   || ((options[:hour] || options[:min]) ? 0 : sec)
-            )
-          end        
+      class TimelinessDateTime
+        attr_accessor :year, :month, :day, :hour, :min, :sec
+        
+        def initialize(year, month, day, hour, min, sec)
+          @year, @month, @day, @hour, @min, @sec = year, month, day, hour, min, sec
         end
         
+        # adapted from activesupport/lib/active_support/core_ext/date_time/calculations.rb, line 36 (3.0.7)
+        def change(options)
+          TimelinessDateTime.new(
+            options[:year]  || year,
+            options[:month] || month,
+            options[:day]   || day,
+            options[:hour]  || hour,
+            options[:min]   || (options[:hour] ? 0 : min),
+            options[:sec]   || ((options[:hour] || options[:min]) ? 0 : sec)
+          )
+        end        
+      end
+
+      module InstanceMethods
         def datetime_selector_with_timeliness(*args)
           @timeliness_date_or_time_tag = true
           datetime_selector_without_timeliness(*args)
diff --git a/spec/validates_timeliness/extensions/date_time_select_spec.rb b/spec/validates_timeliness/extensions/date_time_select_spec.rb
index a873815..dcfe15f 100644
--- a/spec/validates_timeliness/extensions/date_time_select_spec.rb
+++ b/spec/validates_timeliness/extensions/date_time_select_spec.rb
@@ -68,7 +68,7 @@ describe ValidatesTimeliness::Extensions::DateTimeSelect do
         "birth_date(3i)" => '29',
       }
       person.birth_date = nil
-      @output = date_select(:person, :birth_date, :include_blank => true, :include_seconds => true)
+      @output = date_select(:person, :birth_date, :include_blank => true)
       should_have_datetime_selected(:birth_date, :year => 2009, :month => 'February', :day => 29)
     end
 
@@ -79,42 +79,40 @@ describe ValidatesTimeliness::Extensions::DateTimeSelect do
         "birth_date(3i)" => '29',
       }
       person.birth_date = "2009-03-01"
-      @output = date_select(:person, :birth_date, :include_blank => true, :include_seconds => true)
+      @output = date_select(:person, :birth_date, :include_blank => true)
       should_have_datetime_selected(:birth_date, :year => 2009, :month => 'February', :day => 29)
     end
 
     it "should select attribute values from object if no params" do
       person.birth_date = "2009-01-02"
-      @output = date_select(:person, :birth_date, :include_blank => true, :include_seconds => true)
+      @output = date_select(:person, :birth_date, :include_blank => true)
       should_have_datetime_selected(:birth_date, :year => 2009, :month => 'January', :day => 2)
     end
 
     it "should select attribute values if params does not contain attribute params" do
       person.birth_date = "2009-01-02"
       @params["person"] = { }
-      @output = date_select(:person, :birth_date, :include_blank => true, :include_seconds => true)
+      @output = date_select(:person, :birth_date, :include_blank => true)
       should_have_datetime_selected(:birth_date, :year => 2009, :month => 'January', :day => 2)
     end
 
     it "should not select values when attribute value is nil and has no param values" do
       person.birth_date = nil
-      @output = date_select(:person, :birth_date, :include_blank => true, :include_seconds => true)
+      @output = date_select(:person, :birth_date, :include_blank => true)
       should_not_have_datetime_selected(:birth_time, :year, :month, :day)
     end
-    
-    it "should support discarding of the day part" do
-      # this doesn't make sense for birthdays, but it does for credit card expirations, for example
+
+    it "should allow the day part to be discarded" do
       @params["person"] = {
-        "birth_date(1i)" => 2009,
-        "birth_date(2i)" => 2,
+        "birth_date(1i)" => '2009',
+        "birth_date(2i)" => '2',
       }
-      person.birth_date = nil
-      @output = date_select(:person, :birth_date, :discard_day => true)
+
+      @output = date_select(:person, :birth_date, :include_blank => true, :discard_day => true)
       should_have_datetime_selected(:birth_date, :year => 2009, :month => 'February')
-      should_not_have_datetime_selected(:birth_date, :day)
+      should_not_have_datetime_selected(:birth_time, :day)
       @output.should have_tag("input[id=person_birth_date_3i][type=hidden][value='1']")
     end
-
   end
 
   describe "time_select" do