diff --git a/db/migrate/20230511194704_add_composite_index_to_segmented_users.rb b/db/migrate/20230511194704_add_composite_index_to_segmented_users.rb
index 44d18efdc..e4507d80a 100644
--- a/db/migrate/20230511194704_add_composite_index_to_segmented_users.rb
+++ b/db/migrate/20230511194704_add_composite_index_to_segmented_users.rb
@@ -5,7 +5,6 @@ class AddCompositeIndexToSegmentedUsers < ActiveRecord::Migration[7.0]
     add_index :segmented_users,
               %i[audience_segment_id user_id],
               name: "index_segmented_users_on_audience_segment_and_user",
-              unique: true,
               algorithm: :concurrently
   end
 end