diff --git a/src/UniTask/Assets/Plugins/UniTask/Runtime/Linq/UnityExtensions/EveryUpdate.cs b/src/UniTask/Assets/Plugins/UniTask/Runtime/Linq/UnityExtensions/EveryUpdate.cs
index 09c5cf9..8f09110 100644
--- a/src/UniTask/Assets/Plugins/UniTask/Runtime/Linq/UnityExtensions/EveryUpdate.cs
+++ b/src/UniTask/Assets/Plugins/UniTask/Runtime/Linq/UnityExtensions/EveryUpdate.cs
@@ -56,10 +56,14 @@ namespace Cysharp.Threading.Tasks.Linq
 
             public UniTask<bool> MoveNextAsync()
             {
-                // return false instead of throw
-                if (disposed || cancellationToken.IsCancellationRequested) return CompletedTasks.False;
-
+                if (disposed) return CompletedTasks.False;
+                
                 completionSource.Reset();
+
+                if (cancellationToken.IsCancellationRequested)
+                {
+                    completionSource.TrySetCanceled(cancellationToken);
+                }
                 return new UniTask<bool>(this, completionSource.Version);
             }
 
@@ -76,7 +80,13 @@ namespace Cysharp.Threading.Tasks.Linq
 
             public bool MoveNext()
             {
-                if (disposed || cancellationToken.IsCancellationRequested)
+                if (cancellationToken.IsCancellationRequested)
+                {
+                    completionSource.TrySetCanceled(cancellationToken);
+                    return false;
+                }
+                
+                if (disposed)
                 {
                     completionSource.TrySetResult(false);
                     return false;
diff --git a/src/UniTask/Assets/Plugins/UniTask/Runtime/Linq/UnityExtensions/EveryValueChanged.cs b/src/UniTask/Assets/Plugins/UniTask/Runtime/Linq/UnityExtensions/EveryValueChanged.cs
index 8b19f64..ef5739c 100644
--- a/src/UniTask/Assets/Plugins/UniTask/Runtime/Linq/UnityExtensions/EveryValueChanged.cs
+++ b/src/UniTask/Assets/Plugins/UniTask/Runtime/Linq/UnityExtensions/EveryValueChanged.cs
@@ -85,8 +85,15 @@ namespace Cysharp.Threading.Tasks.Linq
 
             public UniTask<bool> MoveNextAsync()
             {
-                // return false instead of throw
-                if (disposed || cancellationToken.IsCancellationRequested) return CompletedTasks.False;
+                if (disposed) return CompletedTasks.False;
+
+                completionSource.Reset();
+                
+                if (cancellationToken.IsCancellationRequested)
+                {
+                    completionSource.TrySetCanceled(cancellationToken);
+                    return new UniTask<bool>(this, completionSource.Version);
+                }
 
                 if (first)
                 {
@@ -99,7 +106,6 @@ namespace Cysharp.Threading.Tasks.Linq
                     return CompletedTasks.True;
                 }
 
-                completionSource.Reset();
                 return new UniTask<bool>(this, completionSource.Version);
             }
 
@@ -107,6 +113,7 @@ namespace Cysharp.Threading.Tasks.Linq
             {
                 if (!disposed)
                 {
+                    cancellationTokenRegistration.Dispose();
                     disposed = true;
                     TaskTracker.RemoveTracking(this);
                 }
@@ -115,13 +122,18 @@ namespace Cysharp.Threading.Tasks.Linq
 
             public bool MoveNext()
             {
-                if (disposed || cancellationToken.IsCancellationRequested || targetAsUnityObject == null) // destroyed = cancel.
+                if (disposed || targetAsUnityObject == null) 
                 {
                     completionSource.TrySetResult(false);
                     DisposeAsync().Forget();
                     return false;
                 }
-
+                
+                if (cancellationToken.IsCancellationRequested)
+                {
+                    completionSource.TrySetCanceled(cancellationToken);
+                    return false;
+                }
                 TProperty nextValue = default(TProperty);
                 try
                 {
@@ -205,8 +217,16 @@ namespace Cysharp.Threading.Tasks.Linq
 
             public UniTask<bool> MoveNextAsync()
             {
-                if (disposed || cancellationToken.IsCancellationRequested) return CompletedTasks.False;
+                if (disposed) return CompletedTasks.False;
 
+                completionSource.Reset();
+                
+                if (cancellationToken.IsCancellationRequested)
+                {
+                    completionSource.TrySetCanceled(cancellationToken);
+                    return new UniTask<bool>(this, completionSource.Version);
+                }
+                
                 if (first)
                 {
                     first = false;
@@ -218,7 +238,6 @@ namespace Cysharp.Threading.Tasks.Linq
                     return CompletedTasks.True;
                 }
 
-                completionSource.Reset();
                 return new UniTask<bool>(this, completionSource.Version);
             }
 
@@ -235,13 +254,19 @@ namespace Cysharp.Threading.Tasks.Linq
 
             public bool MoveNext()
             {
-                if (disposed || cancellationToken.IsCancellationRequested || !target.TryGetTarget(out var t))
+                if (disposed || !target.TryGetTarget(out var t))
                 {
                     completionSource.TrySetResult(false);
                     DisposeAsync().Forget();
                     return false;
                 }
 
+                if (cancellationToken.IsCancellationRequested)
+                {
+                    completionSource.TrySetCanceled(cancellationToken);
+                    return false;
+                }
+
                 TProperty nextValue = default(TProperty);
                 try
                 {
diff --git a/src/UniTask/Assets/Plugins/UniTask/Runtime/Linq/UnityExtensions/Timer.cs b/src/UniTask/Assets/Plugins/UniTask/Runtime/Linq/UnityExtensions/Timer.cs
index a3bab3c..b8aabf2 100644
--- a/src/UniTask/Assets/Plugins/UniTask/Runtime/Linq/UnityExtensions/Timer.cs
+++ b/src/UniTask/Assets/Plugins/UniTask/Runtime/Linq/UnityExtensions/Timer.cs
@@ -109,7 +109,6 @@ namespace Cysharp.Threading.Tasks.Linq
                 this.ignoreTimeScale = ignoreTimeScale;
                 this.cancellationToken = cancellationToken;
                 
-                
                 if (cancelImmediately && cancellationToken.CanBeCanceled)
                 {
                     cancellationTokenRegistration = cancellationToken.RegisterWithoutCaptureExecutionContext(state =>
@@ -128,12 +127,16 @@ namespace Cysharp.Threading.Tasks.Linq
             public UniTask<bool> MoveNextAsync()
             {
                 // return false instead of throw
-                if (disposed || cancellationToken.IsCancellationRequested || completed) return CompletedTasks.False;
+                if (disposed || completed) return CompletedTasks.False;
 
                 // reset value here.
                 this.elapsed = 0;
 
                 completionSource.Reset();
+                if (cancellationToken.IsCancellationRequested)
+                {
+                    completionSource.TrySetCanceled(cancellationToken);
+                }
                 return new UniTask<bool>(this, completionSource.Version);
             }
 
@@ -150,11 +153,16 @@ namespace Cysharp.Threading.Tasks.Linq
 
             public bool MoveNext()
             {
-                if (disposed || cancellationToken.IsCancellationRequested)
+                if (disposed)
                 {
                     completionSource.TrySetResult(false);
                     return false;
                 }
+                if (cancellationToken.IsCancellationRequested)
+                {
+                    completionSource.TrySetCanceled(cancellationToken);
+                    return false;
+                }                
 
                 if (dueTimePhase)
                 {
@@ -261,13 +269,15 @@ namespace Cysharp.Threading.Tasks.Linq
 
             public UniTask<bool> MoveNextAsync()
             {
-                // return false instead of throw
-                if (disposed || cancellationToken.IsCancellationRequested || completed) return CompletedTasks.False;
+                if (disposed || completed) return CompletedTasks.False;
 
+                if (cancellationToken.IsCancellationRequested)
+                {
+                    completionSource.TrySetCanceled(cancellationToken);
+                }
 
                 // reset value here.
                 this.currentFrame = 0;
-
                 completionSource.Reset();
                 return new UniTask<bool>(this, completionSource.Version);
             }
@@ -285,7 +295,12 @@ namespace Cysharp.Threading.Tasks.Linq
 
             public bool MoveNext()
             {
-                if (disposed || cancellationToken.IsCancellationRequested)
+                if (cancellationToken.IsCancellationRequested)
+                {
+                    completionSource.TrySetCanceled(cancellationToken);
+                    return false;
+                }
+                if (disposed)
                 {
                     completionSource.TrySetResult(false);
                     return false;