diff --git a/ZCppMain/ZtCObjList.H b/ZCppMain/ZtCObjList.H
index 2f90bc7..e87035b 100644
--- a/ZCppMain/ZtCObjList.H
+++ b/ZCppMain/ZtCObjList.H
@@ -603,11 +603,11 @@ namespace ZNsMain
                 {
                     if(ml_UseSize<1) return 0;
                     if(AI_DelCnt <1) return 0;
-                    if(AI_DelCnt > size())
+                    if(AI_DelCnt >= size())
                     {
                         AI_DelCnt=size(); DeleteHeap(); return AI_DelCnt;
                     }/*
-                    if(AI_DelCnt > size())*/
+                    if(AI_DelCnt >= size())*/
 
 
                     TypeSize VI_DelCntCopy = AI_DelCnt    ;
@@ -627,9 +627,6 @@ namespace ZNsMain
                     ml_AllSize -= AI_DelCnt;
                     ml_UseSize -= AI_DelCnt;
 
-                    if(ml_UseSize<1)
-                        mp_NoUseHead = mp_NoUseTail = 0 ;
-
                     return AI_DelCnt;
                 }/*
                 TypeSize DeleteHeap(TypeSize AI_DelCnt)*/
diff --git a/ZCppMain/ZtCSimList.H b/ZCppMain/ZtCSimList.H
index 4be7b91..19d1966 100644
--- a/ZCppMain/ZtCSimList.H
+++ b/ZCppMain/ZtCSimList.H
@@ -604,11 +604,11 @@ namespace ZNsMain
                 {
                     if(ml_UseSize<1) return 0;
                     if(AI_DelCnt <1) return 0;
-                    if(AI_DelCnt > size())
+                    if(AI_DelCnt >= size())
                     {
                         AI_DelCnt=size(); DeleteHeap(); return AI_DelCnt;
                     }/*
-                    if(AI_DelCnt > size())*/
+                    if(AI_DelCnt >= size())*/
 
 
                     TypeSize VI_DelCntCopy = AI_DelCnt    ;
@@ -628,9 +628,6 @@ namespace ZNsMain
                     ml_AllSize -= AI_DelCnt;
                     ml_UseSize -= AI_DelCnt;
 
-                    if(ml_UseSize<1)
-                        mp_NoUseHead = mp_NoUseTail = 0 ;
-
                     return AI_DelCnt;
                 }/*
                 TypeSize DeleteHeap(TypeSize AI_DelCnt)*/