diff --git a/osu.Game/Beatmaps/Drawables/DifficultyIconTooltip.cs b/osu.Game/Beatmaps/Drawables/DifficultyIconTooltip.cs
index a5cac69afd..36ddb6030e 100644
--- a/osu.Game/Beatmaps/Drawables/DifficultyIconTooltip.cs
+++ b/osu.Game/Beatmaps/Drawables/DifficultyIconTooltip.cs
@@ -124,7 +124,9 @@ public void SetContent(DifficultyIconTooltipContent content)
             difficultyFillFlowContainer.Show();
             miscFillFlowContainer.Show();
 
-            double rate = ModUtils.CalculateRateWithMods(displayedContent.Mods);
+            double rate = 1;
+            if (displayedContent.Mods != null)
+                rate = ModUtils.CalculateRateWithMods(displayedContent.Mods);
 
             double bpmAdjusted = displayedContent.BeatmapInfo.BPM * rate;
 
diff --git a/osu.Game/Online/Rooms/PlaylistExtensions.cs b/osu.Game/Online/Rooms/PlaylistExtensions.cs
index 4bcaaa8131..003fd23d40 100644
--- a/osu.Game/Online/Rooms/PlaylistExtensions.cs
+++ b/osu.Game/Online/Rooms/PlaylistExtensions.cs
@@ -1,13 +1,11 @@
 // Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
 // See the LICENCE file in the repository root for full licence text.
 
-using System;
 using System.Collections.Generic;
 using System.Linq;
 using Humanizer;
 using Humanizer.Localisation;
 using osu.Framework.Bindables;
-using osu.Game.Rulesets.Mods;
 using osu.Game.Utils;
 
 namespace osu.Game.Online.Rooms
@@ -48,7 +46,7 @@ public static string GetTotalDuration(this BindableList<PlaylistItem> playlist)
             playlist.Select(p =>
             {
                 var ruleset = p.Beatmap.Ruleset.CreateInstance();
-                double rate = ModUtils.CalculateRateWithMods(p.RequiredMods.Select(mod => mod.ToMod(ruleset)).ToList());
+                double rate = ModUtils.CalculateRateWithMods(p.RequiredMods.Select(mod => mod.ToMod(ruleset)));
                 return p.Beatmap.Length / rate;
             }).Sum().Milliseconds().Humanize(minUnit: TimeUnit.Second, maxUnit: TimeUnit.Hour, precision: 2);
     }
diff --git a/osu.Game/Overlays/Mods/BeatmapAttributesDisplay.cs b/osu.Game/Overlays/Mods/BeatmapAttributesDisplay.cs
index b625de27f8..1f4e007f47 100644
--- a/osu.Game/Overlays/Mods/BeatmapAttributesDisplay.cs
+++ b/osu.Game/Overlays/Mods/BeatmapAttributesDisplay.cs
@@ -165,7 +165,7 @@ private void updateValues() => Scheduler.AddOnce(() =>
                     starRatingDisplay.FinishTransforms(true);
             });
 
-            double rate = ModUtils.CalculateRateWithMods(Mods.Value.ToList());
+            double rate = ModUtils.CalculateRateWithMods(Mods.Value);
 
             bpmDisplay.Current.Value = FormatUtils.RoundBPM(BeatmapInfo.Value.BPM, rate);
 
diff --git a/osu.Game/Screens/Select/BeatmapInfoWedge.cs b/osu.Game/Screens/Select/BeatmapInfoWedge.cs
index 0e2d1db6b7..02682c1851 100644
--- a/osu.Game/Screens/Select/BeatmapInfoWedge.cs
+++ b/osu.Game/Screens/Select/BeatmapInfoWedge.cs
@@ -402,7 +402,7 @@ private void refreshBPMAndLengthLabel()
                     return;
 
                 // this doesn't consider mods which apply variable rates, yet.
-                double rate = ModUtils.CalculateRateWithMods(mods.Value.ToList());
+                double rate = ModUtils.CalculateRateWithMods(mods.Value);
 
                 int bpmMax = FormatUtils.RoundBPM(beatmap.ControlPointInfo.BPMMaximum, rate);
                 int bpmMin = FormatUtils.RoundBPM(beatmap.ControlPointInfo.BPMMinimum, rate);
diff --git a/osu.Game/Utils/ModUtils.cs b/osu.Game/Utils/ModUtils.cs
index 3378e94ec0..f901f15388 100644
--- a/osu.Game/Utils/ModUtils.cs
+++ b/osu.Game/Utils/ModUtils.cs
@@ -285,11 +285,10 @@ public static LocalisableString FormatScoreMultiplier(double scoreMultiplier)
         public static double CalculateRateWithMods(IEnumerable<Mod> mods)
         {
             double rate = 1;
-            if (mods != null)
-            {
-                foreach (var mod in mods.OfType<IApplicableToRate>())
-                    rate = mod.ApplyToRate(0, rate);
-            }
+
+            foreach (var mod in mods.OfType<IApplicableToRate>())
+                rate = mod.ApplyToRate(0, rate);
+
             return rate;
         }
     }