diff --git a/osu.Game/Rulesets/Difficulty/DifficultyAttributes.cs b/osu.Game/Rulesets/Difficulty/DifficultyAttributes.cs
index b1a88b8abd..d808ee528e 100644
--- a/osu.Game/Rulesets/Difficulty/DifficultyAttributes.cs
+++ b/osu.Game/Rulesets/Difficulty/DifficultyAttributes.cs
@@ -7,13 +7,12 @@ namespace osu.Game.Rulesets.Difficulty
 {
     public class DifficultyAttributes
     {
-        public readonly Mod[] Mods;
+        public Mod[] Mods;
 
         public double StarRating;
 
-        public DifficultyAttributes(Mod[] mods)
+        public DifficultyAttributes()
         {
-            Mods = mods;
         }
 
         public DifficultyAttributes(Mod[] mods, double starRating)
diff --git a/osu.Game/Rulesets/Difficulty/DifficultyCalculator.cs b/osu.Game/Rulesets/Difficulty/DifficultyCalculator.cs
index d7ae527bb1..30fc698664 100644
--- a/osu.Game/Rulesets/Difficulty/DifficultyCalculator.cs
+++ b/osu.Game/Rulesets/Difficulty/DifficultyCalculator.cs
@@ -25,7 +25,8 @@ namespace osu.Game.Rulesets.Difficulty
 
         protected override DifficultyAttributes Calculate(IBeatmap beatmap, Mod[] mods, double timeRate)
         {
-            var attributes = CreateDifficultyAttributes(mods);
+            var attributes = CreateDifficultyAttributes();
+            attributes.Mods = mods;
 
             if (!beatmap.HitObjects.Any())
                 return attributes;
@@ -132,8 +133,7 @@ namespace osu.Game.Rulesets.Difficulty
         /// <summary>
         /// Creates an empty <see cref="DifficultyAttributes"/>.
         /// </summary>
-        /// <param name="mods">The <see cref="Mod"/>s which difficulty is being processed with.</param>
         /// <returns>The empty <see cref="DifficultyAttributes"/>.</returns>
-        protected abstract DifficultyAttributes CreateDifficultyAttributes(Mod[] mods);
+        protected abstract DifficultyAttributes CreateDifficultyAttributes();
     }
 }