diff --git a/Assets/VRM10/Runtime/Components/Vrm10Runtime/Springbone/IVrm10SpringBoneRuntime.cs b/Assets/VRM10/Runtime/Components/Vrm10Runtime/Springbone/IVrm10SpringBoneRuntime.cs
index 4a962499e..b45f1ae7e 100644
--- a/Assets/VRM10/Runtime/Components/Vrm10Runtime/Springbone/IVrm10SpringBoneRuntime.cs
+++ b/Assets/VRM10/Runtime/Components/Vrm10Runtime/Springbone/IVrm10SpringBoneRuntime.cs
@@ -43,7 +43,7 @@ namespace UniVRM10
         /// <summary>
         /// 毎フレーム Vrm10Runtime.Process から呼ばれる。
         /// </summary>
-        public void Process();
+        public void Process(float deltaTime);
 
         /// <summary>
         /// from Vrm10Instance.OnDrawGizmosSelected
diff --git a/Assets/VRM10/Runtime/Components/Vrm10Runtime/Springbone/Vrm10FastSpringboneRuntime.cs b/Assets/VRM10/Runtime/Components/Vrm10Runtime/Springbone/Vrm10FastSpringboneRuntime.cs
index 6dc1761e0..51a14b221 100644
--- a/Assets/VRM10/Runtime/Components/Vrm10Runtime/Springbone/Vrm10FastSpringboneRuntime.cs
+++ b/Assets/VRM10/Runtime/Components/Vrm10Runtime/Springbone/Vrm10FastSpringboneRuntime.cs
@@ -112,7 +112,7 @@ namespace UniVRM10
             m_fastSpringBoneService.BufferCombiner.InitializeJointsLocalRotation(m_fastSpringBoneBuffer);
         }
 
-        public void Process()
+        public void Process(float deltaTime)
         {
             // FastSpringBoneService が実行するので何もしない
         }
diff --git a/Assets/VRM10/Runtime/Components/Vrm10Runtime/Springbone/Vrm10FastSpringboneRuntimeStandalone.cs b/Assets/VRM10/Runtime/Components/Vrm10Runtime/Springbone/Vrm10FastSpringboneRuntimeStandalone.cs
index 12e151e07..c2fa75295 100644
--- a/Assets/VRM10/Runtime/Components/Vrm10Runtime/Springbone/Vrm10FastSpringboneRuntimeStandalone.cs
+++ b/Assets/VRM10/Runtime/Components/Vrm10Runtime/Springbone/Vrm10FastSpringboneRuntimeStandalone.cs
@@ -118,9 +118,9 @@ namespace UniVRM10
             m_bufferCombiner.InitializeJointsLocalRotation(m_fastSpringBoneBuffer);
         }
 
-        public void Process()
+        public void Process(float deltaTime)
         {
-            m_fastSpringBoneScheduler.Schedule(Time.deltaTime).Complete();
+            m_fastSpringBoneScheduler.Schedule(deltaTime).Complete();
         }
 
         public void DrawGizmos()
diff --git a/Assets/VRM10/Runtime/Components/Vrm10Runtime/Springbone/Vrm10NopSpringboneRuntime.cs b/Assets/VRM10/Runtime/Components/Vrm10Runtime/Springbone/Vrm10NopSpringboneRuntime.cs
index 040b0b9de..f14e1e41e 100644
--- a/Assets/VRM10/Runtime/Components/Vrm10Runtime/Springbone/Vrm10NopSpringboneRuntime.cs
+++ b/Assets/VRM10/Runtime/Components/Vrm10Runtime/Springbone/Vrm10NopSpringboneRuntime.cs
@@ -20,7 +20,7 @@ namespace UniVRM10
             return Task.CompletedTask;
         }
 
-        public void Process()
+        public void Process(float deltaTime)
         {
         }
 
diff --git a/Assets/VRM10/Runtime/Components/Vrm10Runtime/Vrm10Runtime.cs b/Assets/VRM10/Runtime/Components/Vrm10Runtime/Vrm10Runtime.cs
index 5a800d2e1..e702496b1 100644
--- a/Assets/VRM10/Runtime/Components/Vrm10Runtime/Vrm10Runtime.cs
+++ b/Assets/VRM10/Runtime/Components/Vrm10Runtime/Vrm10Runtime.cs
@@ -156,7 +156,7 @@ namespace UniVRM10
             Expression.Process(eyeDirection);
 
             // 6. SpringBone
-            SpringBone.Process();
+            SpringBone.Process(Time.deltaTime);
         }
     }
 }
\ No newline at end of file
diff --git a/Assets/VRM10_Samples/ClothSample/ClothWarp/Runtime/ClothWarpRuntime.cs b/Assets/VRM10_Samples/ClothSample/ClothWarp/Runtime/ClothWarpRuntime.cs
index 883af31c2..a36b11498 100644
--- a/Assets/VRM10_Samples/ClothSample/ClothWarp/Runtime/ClothWarpRuntime.cs
+++ b/Assets/VRM10_Samples/ClothSample/ClothWarp/Runtime/ClothWarpRuntime.cs
@@ -135,12 +135,7 @@ namespace UniVRM10.ClothWarp
             // }
         }
 
-        public void Process()
-        {
-            Process(Time.deltaTime);
-        }
-
-        void Process(float deltaTime)
+        public void Process(float deltaTime)
         {
             if (!_initialized)
             {
diff --git a/Assets/VRM10_Samples/ClothSample/ClothWarp/Runtime/Jobs/ClothWarpJobRuntime.cs b/Assets/VRM10_Samples/ClothSample/ClothWarp/Runtime/Jobs/ClothWarpJobRuntime.cs
index 8e2181786..294216ad1 100644
--- a/Assets/VRM10_Samples/ClothSample/ClothWarp/Runtime/Jobs/ClothWarpJobRuntime.cs
+++ b/Assets/VRM10_Samples/ClothSample/ClothWarp/Runtime/Jobs/ClothWarpJobRuntime.cs
@@ -408,11 +408,6 @@ namespace UniVRM10.ClothWarp.Jobs
             }
         }
 
-        public void Process()
-        {
-            Process(Time.deltaTime);
-        }
-
         public void Process(float deltaTime)
         {
             var frame = new FrameInfo(deltaTime, Vector3.zero);