diff --git a/osu.Game/Beatmaps/ControlPoints/ControlPoint.cs b/osu.Game/Beatmaps/ControlPoints/ControlPoint.cs
index f9bb3877d3..a1822a1163 100644
--- a/osu.Game/Beatmaps/ControlPoints/ControlPoint.cs
+++ b/osu.Game/Beatmaps/ControlPoints/ControlPoint.cs
@@ -19,11 +19,10 @@ namespace osu.Game.Beatmaps.ControlPoints
         public int CompareTo(ControlPoint other) => Time.CompareTo(other.Time);
 
         /// <summary>
-        /// Whether this control point results in a meaningful change when placed after another.
+        /// Determines whether this <see cref="ControlPoint"/> results in a meaningful change when placed alongside another.
         /// </summary>
         /// <param name="existing">An existing control point to compare with.</param>
-        /// <param name="time">The time this control point will be placed at if it is added.</param>
-        /// <returns>Whether redundant.</returns>
-        public abstract bool IsRedundant(ControlPoint existing, double time);
+        /// <returns>Whether this <see cref="ControlPoint"/> is redundant when placed alongside <paramref name="existing"/>.</returns>
+        public abstract bool IsRedundant(ControlPoint existing);
     }
 }
diff --git a/osu.Game/Beatmaps/ControlPoints/ControlPointInfo.cs b/osu.Game/Beatmaps/ControlPoints/ControlPointInfo.cs
index 37a3dbf592..8e4079f776 100644
--- a/osu.Game/Beatmaps/ControlPoints/ControlPointInfo.cs
+++ b/osu.Game/Beatmaps/ControlPoints/ControlPointInfo.cs
@@ -247,7 +247,7 @@ namespace osu.Game.Beatmaps.ControlPoints
                     break;
             }
 
-            return newPoint.IsRedundant(existing, time);
+            return newPoint.IsRedundant(existing);
         }
 
         private void groupItemAdded(ControlPoint controlPoint)
diff --git a/osu.Game/Beatmaps/ControlPoints/DifficultyControlPoint.cs b/osu.Game/Beatmaps/ControlPoints/DifficultyControlPoint.cs
index 42140462cb..2448b2b25c 100644
--- a/osu.Game/Beatmaps/ControlPoints/DifficultyControlPoint.cs
+++ b/osu.Game/Beatmaps/ControlPoints/DifficultyControlPoint.cs
@@ -27,7 +27,7 @@ namespace osu.Game.Beatmaps.ControlPoints
             set => SpeedMultiplierBindable.Value = value;
         }
 
-        public override bool IsRedundant(ControlPoint existing, double time)
+        public override bool IsRedundant(ControlPoint existing)
             => existing is DifficultyControlPoint existingDifficulty
                && SpeedMultiplier == existingDifficulty.SpeedMultiplier;
     }
diff --git a/osu.Game/Beatmaps/ControlPoints/EffectControlPoint.cs b/osu.Game/Beatmaps/ControlPoints/EffectControlPoint.cs
index f7a232c394..9b69147468 100644
--- a/osu.Game/Beatmaps/ControlPoints/EffectControlPoint.cs
+++ b/osu.Game/Beatmaps/ControlPoints/EffectControlPoint.cs
@@ -35,7 +35,7 @@ namespace osu.Game.Beatmaps.ControlPoints
             set => KiaiModeBindable.Value = value;
         }
 
-        public override bool IsRedundant(ControlPoint existing, double time)
+        public override bool IsRedundant(ControlPoint existing)
             => !OmitFirstBarLine
                && existing is EffectControlPoint existingEffect
                && KiaiMode == existingEffect.KiaiMode
diff --git a/osu.Game/Beatmaps/ControlPoints/SampleControlPoint.cs b/osu.Game/Beatmaps/ControlPoints/SampleControlPoint.cs
index 0fced16b4d..61851a00d7 100644
--- a/osu.Game/Beatmaps/ControlPoints/SampleControlPoint.cs
+++ b/osu.Game/Beatmaps/ControlPoints/SampleControlPoint.cs
@@ -68,7 +68,7 @@ namespace osu.Game.Beatmaps.ControlPoints
             return newSampleInfo;
         }
 
-        public override bool IsRedundant(ControlPoint existing, double time)
+        public override bool IsRedundant(ControlPoint existing)
             => existing is SampleControlPoint existingSample
                && SampleBank == existingSample.SampleBank
                && SampleVolume == existingSample.SampleVolume;
diff --git a/osu.Game/Beatmaps/ControlPoints/TimingControlPoint.cs b/osu.Game/Beatmaps/ControlPoints/TimingControlPoint.cs
index 27f4662d49..1927dd6575 100644
--- a/osu.Game/Beatmaps/ControlPoints/TimingControlPoint.cs
+++ b/osu.Game/Beatmaps/ControlPoints/TimingControlPoint.cs
@@ -49,6 +49,6 @@ namespace osu.Game.Beatmaps.ControlPoints
         public double BPM => 60000 / BeatLength;
 
         // Timing points are never redundant as they can change the time signature.
-        public override bool IsRedundant(ControlPoint existing, double time) => false;
+        public override bool IsRedundant(ControlPoint existing) => false;
     }
 }
diff --git a/osu.Game/Beatmaps/Formats/LegacyDecoder.cs b/osu.Game/Beatmaps/Formats/LegacyDecoder.cs
index 5fa1da111d..556527bfd5 100644
--- a/osu.Game/Beatmaps/Formats/LegacyDecoder.cs
+++ b/osu.Game/Beatmaps/Formats/LegacyDecoder.cs
@@ -174,8 +174,8 @@ namespace osu.Game.Beatmaps.Formats
                 return baseInfo;
             }
 
-            public override bool IsRedundant(ControlPoint existing, double time)
-                => base.IsRedundant(existing, time)
+            public override bool IsRedundant(ControlPoint existing)
+                => base.IsRedundant(existing)
                    && existing is LegacySampleControlPoint existingSample
                    && CustomSampleBank == existingSample.CustomSampleBank;
         }