diff --git a/db/migrate/20200115015242_remove_exercise_answer_index.rb b/db/migrate/20200115015242_remove_exercise_answer_index.rb
deleted file mode 100644
index 9561c90d4..000000000
--- a/db/migrate/20200115015242_remove_exercise_answer_index.rb
+++ /dev/null
@@ -1,5 +0,0 @@
-class RemoveExerciseAnswerIndex < ActiveRecord::Migration[5.2]
-  def change
-    remove_index :exercise_answers, [:exercise_question_id, :user_id]
-  end
-end