diff --git a/db/migrate/20191030055341_create_competition_prize_users.rb b/db/migrate/20191030055341_create_competition_prize_users.rb
index ab1e31144..da9a36e61 100644
--- a/db/migrate/20191030055341_create_competition_prize_users.rb
+++ b/db/migrate/20191030055341_create_competition_prize_users.rb
@@ -1,20 +1,20 @@
 class CreateCompetitionPrizeUsers < ActiveRecord::Migration[5.2]
   def change
     create_table :competition_prize_users do |t|
-      t.references :competition
-      t.references :competition_team
-      t.references :competition_prize
-      t.references :user
-      t.references :approver
-
-      t.string :status
-      t.integer :rank
-      t.boolean :leader, default: false
-      t.text :extra
-
-      t.datetime :approved_at
-
-      t.timestamps
+      # t.references :competition
+      # t.references :competition_team
+      # t.references :competition_prize
+      # t.references :user
+      # t.references :approver
+      #
+      # t.string :status
+      # t.integer :rank
+      # t.boolean :leader, default: false
+      # t.text :extra
+      #
+      # t.datetime :approved_at
+      #
+      # t.timestamps
     end
   end
 end
diff --git a/db/migrate/20191030062150_create_exercise_user_scores.rb b/db/migrate/20191030062150_create_exercise_user_scores.rb
index 911a8a3a5..33b4de1de 100644
--- a/db/migrate/20191030062150_create_exercise_user_scores.rb
+++ b/db/migrate/20191030062150_create_exercise_user_scores.rb
@@ -1,13 +1,13 @@
 class CreateExerciseUserScores < ActiveRecord::Migration[5.2]
   def change
     create_table :exercise_user_scores do |t|
-      t.references :exercise, index: true
-      t.references :exercise_user, index: true
-      t.float :score
-      t.text :comment
-      t.references :user, index: true
-
-      t.timestamps
+      # t.references :exercise, index: true
+      # t.references :exercise_user, index: true
+      # t.float :score
+      # t.text :comment
+      # t.references :user, index: true
+      #
+      # t.timestamps
     end
   end
 end