diff --git a/db/migrate/20111012133633_create_event_logs.rb b/db/migrate/20111012133633_create_event_logs.rb
index 2c81b40f9..0cca66f5e 100644
--- a/db/migrate/20111012133633_create_event_logs.rb
+++ b/db/migrate/20111012133633_create_event_logs.rb
@@ -1,9 +1,9 @@
 class CreateEventLogs < ActiveRecord::Migration
   def self.up
     create_table :event_logs do |t|
-      t.references :user
+      t.references :user, foreign_key: false, index: true
       t.string :user_name
-      t.references :object, polymorphic: true
+      t.references :object, polymorphic: true, index: true
       t.string :object_name
       t.string :ip
       t.string :kind
@@ -14,8 +14,6 @@ class CreateEventLogs < ActiveRecord::Migration
 
       t.timestamps
     end
-    # add_index :event_logs, :user_id
-    # add_index :event_logs, [:object_id, :object_type]
   end
 
   def self.down
diff --git a/db/schema.rb b/db/schema.rb
index 17d3bebb4..1ba55e942 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -361,8 +361,8 @@ ActiveRecord::Schema.define(version: 20140709194335) do
     t.text     "message"
     t.datetime "created_at"
     t.datetime "updated_at"
-    t.index ["user_id"], :name => "fk__event_logs_user_id"
-    t.foreign_key ["user_id"], "users", ["id"], :on_update => :no_action, :on_delete => :no_action, :name => "fk_event_logs_user_id"
+    t.index ["eventable_id", "eventable_type"], :name => "index_event_logs_on_eventable_id_and_eventable_type"
+    t.index ["user_id"], :name => "index_event_logs_on_user_id"
   end
 
   create_table "flash_notifies", force: true do |t|