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diff --git a/ruby/lib/ruby/gems/1.8/gems/activerecord-2.3.5/lib/active_record/associations/belongs_to_association.rb b/ruby/lib/ruby/gems/1.8/gems/activerecord-2.3.5/lib/active_record/associations/belongs_to_association.rb
deleted file mode 100644
index 05f8f4f..0000000
--- a/ruby/lib/ruby/gems/1.8/gems/activerecord-2.3.5/lib/active_record/associations/belongs_to_association.rb
+++ /dev/null
@@ -1,76 +0,0 @@
-module ActiveRecord
-  module Associations
-    class BelongsToAssociation < AssociationProxy #:nodoc:
-      def create(attributes = {})
-        replace(@reflection.create_association(attributes))
-      end
-
-      def build(attributes = {})
-        replace(@reflection.build_association(attributes))
-      end
-
-      def replace(record)
-        counter_cache_name = @reflection.counter_cache_column
-
-        if record.nil?
-          if counter_cache_name && !@owner.new_record?
-            @reflection.klass.decrement_counter(counter_cache_name, previous_record_id) if @owner[@reflection.primary_key_name]
-          end
-
-          @target = @owner[@reflection.primary_key_name] = nil
-        else
-          raise_on_type_mismatch(record)
-
-          if counter_cache_name && !@owner.new_record?
-            @reflection.klass.increment_counter(counter_cache_name, record.id)
-            @reflection.klass.decrement_counter(counter_cache_name, @owner[@reflection.primary_key_name]) if @owner[@reflection.primary_key_name]
-          end
-
-          @target = (AssociationProxy === record ? record.target : record)
-          @owner[@reflection.primary_key_name] = record_id(record) unless record.new_record?
-          @updated = true
-        end
-
-        loaded
-        record
-      end
-      
-      def updated?
-        @updated
-      end
-      
-      private
-        def find_target
-          find_method = if @reflection.options[:primary_key]
-                          "find_by_#{@reflection.options[:primary_key]}"
-                        else
-                          "find"
-                        end
-          @reflection.klass.send(find_method,
-            @owner[@reflection.primary_key_name],
-            :select     => @reflection.options[:select],
-            :conditions => conditions,
-            :include    => @reflection.options[:include],
-            :readonly   => @reflection.options[:readonly]
-          ) if @owner[@reflection.primary_key_name]
-        end
-
-        def foreign_key_present
-          !@owner[@reflection.primary_key_name].nil?
-        end
-
-        def record_id(record)
-          record.send(@reflection.options[:primary_key] || :id)
-        end
-
-        def previous_record_id
-          @previous_record_id ||= if @reflection.options[:primary_key]
-                                    previous_record = @owner.send(@reflection.name)
-                                    previous_record.nil? ? nil : previous_record.id
-                                  else
-                                    @owner[@reflection.primary_key_name]
-                                  end
-        end
-    end
-  end
-end