diff --git a/src/GraphCtrl/GraphElement/GGroup/GCluster/GCluster.cpp b/src/GraphCtrl/GraphElement/GGroup/GCluster/GCluster.cpp
index 2b975030..e7df8783 100644
--- a/src/GraphCtrl/GraphElement/GGroup/GCluster/GCluster.cpp
+++ b/src/GraphCtrl/GraphElement/GGroup/GCluster/GCluster.cpp
@@ -16,21 +16,6 @@ GCluster::GCluster() {
 }
 
 
-GCluster::GCluster(const GCluster& cluster) {
-    this->group_elements_arr_ = cluster.group_elements_arr_;
-}
-
-
-GCluster& GCluster::operator=(const GCluster& cluster) {
-    if (this == &cluster) {
-        return *this;
-    }
-
-    this->group_elements_arr_ = cluster.group_elements_arr_;
-    return *this;
-}
-
-
 CStatus GCluster::run() {
     CGRAPH_FUNCTION_BEGIN
     for (GElementPtr element : this->group_elements_arr_) {
diff --git a/src/GraphCtrl/GraphElement/GGroup/GCluster/GCluster.h b/src/GraphCtrl/GraphElement/GGroup/GCluster/GCluster.h
index 9e655f5b..7b8d9747 100644
--- a/src/GraphCtrl/GraphElement/GGroup/GCluster/GCluster.h
+++ b/src/GraphCtrl/GraphElement/GGroup/GCluster/GCluster.h
@@ -17,9 +17,6 @@ CGRAPH_NAMESPACE_BEGIN
 
 class GCluster : public GGroup {
 protected:
-    /** 涉及到与线程池的联动，cluster类无法将构造函数申明成protected类型 */
-    GCluster(const GCluster& cluster);
-    GCluster& operator=(const GCluster& cluster);
     explicit GCluster();
 
 private: