diff --git a/Assets/VRM10/Runtime/FastSpringBone/InputPorts/FastSpringBoneScope.cs b/Assets/VRM10/Runtime/FastSpringBone/InputPorts/FastSpringBoneScope.cs
index 7a040506d..3295744f8 100644
--- a/Assets/VRM10/Runtime/FastSpringBone/InputPorts/FastSpringBoneScope.cs
+++ b/Assets/VRM10/Runtime/FastSpringBone/InputPorts/FastSpringBoneScope.cs
@@ -11,12 +11,9 @@ namespace UniVRM10.FastSpringBones.System
     {
         private readonly FastSpringBoneService _service;
         private readonly FastSpringBoneBuffer _buffer;
-        
-        public IReadOnlyList<FastSpringBoneSpring> Springs { get; }
 
         public FastSpringBoneScope(IReadOnlyList<FastSpringBoneSpring> springs)
         {
-            Springs = springs;
             _service = FastSpringBoneService.Instance;
             _buffer = new FastSpringBoneBuffer(springs);