diff --git a/Assets/TEngine/Runtime/Entity/Entity.cs b/Assets/TEngine/Runtime/Entity/Entity.cs
index 454727c5..7cdf728c 100644
--- a/Assets/TEngine/Runtime/Entity/Entity.cs
+++ b/Assets/TEngine/Runtime/Entity/Entity.cs
@@ -52,8 +52,7 @@ namespace TEngine.EntityModule
         internal List<ILateUpdate> LateUpdates = new List<ILateUpdate>();
         internal bool InActive;
         internal bool CanUpdate;
-        internal bool CanFixedUpdate;
-        internal bool CanLateUpdate;
+
         public int Index { get; set; } = -1;
         public Entity()
         {
diff --git a/Assets/TEngine/Runtime/Entity/EntityExt.cs b/Assets/TEngine/Runtime/Entity/EntityExt.cs
index df84b45d..3fee1aa0 100644
--- a/Assets/TEngine/Runtime/Entity/EntityExt.cs
+++ b/Assets/TEngine/Runtime/Entity/EntityExt.cs
@@ -18,8 +18,6 @@ namespace TEngine.EntityModule
 
             CanUpdate = Updates.Count > 0;
 
-            CanFixedUpdate = FixedUpdates.Count > 0;
-
             Destroy(component);
         }
 
@@ -39,7 +37,7 @@ namespace TEngine.EntityModule
                 FixedUpdates.Add(fixedUpdate);
             }
             CanUpdate = Updates.Count > 0;
-            CanFixedUpdate = FixedUpdates.Count > 0;
+
             return component;
         }
 
@@ -58,7 +56,6 @@ namespace TEngine.EntityModule
                 FixedUpdates.Add(fixedUpdate);
             }
             CanUpdate = Updates.Count > 0;
-            CanFixedUpdate = FixedUpdates.Count > 0;
             return component;
         }
 
diff --git a/Assets/TEngine/Runtime/Entity/EntitySystem.cs b/Assets/TEngine/Runtime/Entity/EntitySystem.cs
index 789496b2..0f333610 100644
--- a/Assets/TEngine/Runtime/Entity/EntitySystem.cs
+++ b/Assets/TEngine/Runtime/Entity/EntitySystem.cs
@@ -132,47 +132,6 @@ namespace TEngine.EntityModule
                 });
             }
         }
-
-        /// <summary>
-        /// 更新Entity物理系统
-        /// </summary>
-        /// <param name="worker">线程池是否并行</param>
-        public void FixedUpdate(bool worker = false)
-        {
-            int count = Entities.Count;
-            if (!worker)
-            {
-                for (int i = 0; i < count; i++)
-                {
-                    if (!Entities.Buckets[i])
-                    {
-                        continue;
-                    }
-
-                    if (!Entities[i].CanFixedUpdate)
-                    {
-                        continue;
-                    }
-                    Entities[i].FixedUpdate();
-                }
-            }
-            else
-            {
-                Parallel.For(0, count, i =>
-                {
-                    if (!Entities.Buckets[i])
-                    {
-                        return;
-                    }
-
-                    if (!Entities[i].CanFixedUpdate)
-                    {
-                        return;
-                    }
-                    Entities[i].FixedUpdate();
-                });
-            }
-        }
         #endregion
 
         #region Dispose