diff --git a/osu.Game.Rulesets.Taiko.Tests/TestSceneDrumSampleTriggerSource.cs b/osu.Game.Rulesets.Taiko.Tests/TestSceneDrumSampleTriggerSource.cs
index 287d90b406..23e85d1ae0 100644
--- a/osu.Game.Rulesets.Taiko.Tests/TestSceneDrumSampleTriggerSource.cs
+++ b/osu.Game.Rulesets.Taiko.Tests/TestSceneDrumSampleTriggerSource.cs
@@ -331,7 +331,7 @@ namespace osu.Game.Rulesets.Taiko.Tests
                 LastPlayedSamples = samples;
             }
 
-            public new HitObject GetMostValidObject() => base.GetMostValidObject();
+            public new HitObject? GetMostValidObject() => base.GetMostValidObject();
         }
     }
 }
diff --git a/osu.Game.Tests/Visual/Gameplay/TestSceneGameplaySampleTriggerSource.cs b/osu.Game.Tests/Visual/Gameplay/TestSceneGameplaySampleTriggerSource.cs
index ca76337568..6701871e8d 100644
--- a/osu.Game.Tests/Visual/Gameplay/TestSceneGameplaySampleTriggerSource.cs
+++ b/osu.Game.Tests/Visual/Gameplay/TestSceneGameplaySampleTriggerSource.cs
@@ -215,7 +215,7 @@ namespace osu.Game.Tests.Visual.Gameplay
             {
             }
 
-            public new HitObject GetMostValidObject() => base.GetMostValidObject();
+            public new HitObject? GetMostValidObject() => base.GetMostValidObject();
         }
     }
 }