diff --git a/db/migrate/20110809190528_create_rails_admin_histories_table.rb b/db/migrate/20110809190528_create_rails_admin_histories_table.rb
deleted file mode 100644
index dab29ee..0000000
--- a/db/migrate/20110809190528_create_rails_admin_histories_table.rb
+++ /dev/null
@@ -1,18 +0,0 @@
-class CreateRailsAdminHistoriesTable < ActiveRecord::Migration
-   def self.up
-     create_table :rails_admin_histories do |t|
-       t.string :message # title, name, or object_id
-       t.string :username
-       t.integer :item
-       t.string :table
-       t.integer :month, :limit => 2
-       t.integer :year, :limit => 5
-       t.timestamps
-    end
-    add_index(:rails_admin_histories, [:item, :table, :month, :year], :name => 'index_rails_admin_histories' )
-  end
-
-  def self.down
-    drop_table :rails_admin_histories
-  end
-end