diff --git a/db/migrate/20171219111046_add_related_contents_positive_and_negative_score.rb b/db/migrate/20171219111046_add_related_contents_positive_and_negative_score.rb
deleted file mode 100644
index 6c94b581a..000000000
--- a/db/migrate/20171219111046_add_related_contents_positive_and_negative_score.rb
+++ /dev/null
@@ -1,8 +0,0 @@
-class AddRelatedContentsPositiveAndNegativeScore < ActiveRecord::Migration
-  def change
-    remove_column :related_contents, :flags_count
-
-    add_column :related_contents, :positive_score, :integer, default: 1
-    add_column :related_contents, :negative_score, :integer, default: 0
-  end
-end
diff --git a/db/migrate/20171219111046_remove_related_contents_flags_count.rb b/db/migrate/20171219111046_remove_related_contents_flags_count.rb
new file mode 100644
index 000000000..b0f5aead5
--- /dev/null
+++ b/db/migrate/20171219111046_remove_related_contents_flags_count.rb
@@ -0,0 +1,5 @@
+class RemoveRelatedContentsFlagsCount < ActiveRecord::Migration
+  def change
+    remove_column :related_contents, :flags_count
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb
index b571c86f0..c35ded4a4 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -862,8 +862,6 @@ ActiveRecord::Schema.define(version: 20171219111046) do
     t.integer  "related_content_id"
     t.datetime "created_at"
     t.datetime "updated_at"
-    t.integer  "positive_score",           default: 1
-    t.integer  "negative_score",           default: 0
   end
 
   add_index "related_contents", ["child_relationable_type", "child_relationable_id"], name: "index_related_contents_on_child_relationable", using: :btree