diff --git a/contracts/hddpool/hddpool.abi b/contracts/hddpool/hddpool.abi
index b2c111f5f05325648b5cd28f6c06bc1ee476d73c..744762fcc5a697db516b6987db85bbd009595a79 100644
--- a/contracts/hddpool/hddpool.abi
+++ b/contracts/hddpool/hddpool.abi
@@ -121,9 +121,14 @@
             ]
         },
         {
-            "name": "clsallpools",
+            "name": "delstrpool",
             "base": "",
-            "fields": []
+            "fields": [
+                {
+                    "name": "poolid",
+                    "type": "name"
+                }                
+            ]
         },     
         {
             "name": "regstrpool",
@@ -550,8 +555,8 @@
             "ricardian_contract": ""
         },
         {
-            "name": "clsallpools",
-            "type": "clsallpools",
+            "name": "delstrpool",
+            "type": "delstrpool",
             "ricardian_contract": ""
         },
         {
diff --git a/contracts/hddpool/hddpool.cpp b/contracts/hddpool/hddpool.cpp
index fc8c5edd42853022af22b3cc4a40ac787f504635..17afc6a440997ff67bd4862aba3bc27d442003e3 100644
--- a/contracts/hddpool/hddpool.cpp
+++ b/contracts/hddpool/hddpool.cpp
@@ -627,15 +627,21 @@ void hddpool::newminer(uint64_t minerid, name adminacc, name dep_acc, asset dep_
    });       
 }
 
-void hddpool::clsallpools()
+void hddpool::delstrpool(name poolid)
 {
    require_auth(_self);
 
    storepool_index _storepool( _self , _self );
+   auto itmstorepool = _storepool.find(poolid.value);
+   if(itmstorepool != _storepool.end()) {
+      _storepool.erase(itmstorepool);
+   }
+
+   /* 
    while (_storepool.begin() != _storepool.end()) {
       _storepool.erase(_storepool.begin());      
 
-   }    
+   }  */  
 }
 
 void hddpool::regstrpool(name pool_id, name pool_owner, uint64_t max_space)
@@ -873,5 +879,5 @@ asset exchange_state::convert(asset from, symbol_type to)
 }
 
 EOSIO_ABI(hddpool, (getbalance)(buyhdd)(sellhdd)(sethfee)(subbalance)(addhspace)(subhspace)(addmprofit)(delminer)
-                  (calcmbalance)(clsallpools)(regstrpool)(chgpoolspace)(newminer)(addm2pool)
+                  (calcmbalance)(delstrpool)(regstrpool)(chgpoolspace)(newminer)(addm2pool)
                   (mdeactive)(mactive))
diff --git a/contracts/hddpool/hddpool.hpp b/contracts/hddpool/hddpool.hpp
index 2eaf1eb6f44926deea468b1a890cfd1459d1833e..66e69409bc4b849f4d43a55bb781d911dbebab2d 100644
--- a/contracts/hddpool/hddpool.hpp
+++ b/contracts/hddpool/hddpool.hpp
@@ -70,7 +70,7 @@ public:
   void newminer(uint64_t minerid, name adminacc, name dep_acc, asset dep_amount);
 
   //store pool related actions -- start
-  void clsallpools();
+  void delstrpool(name poolid);
   void regstrpool(name pool_id, name pool_owner, uint64_t max_space);
   void chgpoolspace(name pool_id, uint64_t max_space);
   void addm2pool(uint64_t minerid, name pool_id, name minerowner, uint64_t max_space);