diff --git a/app/code/community/Ebizmarts/MailChimp/Helper/Data.php b/app/code/community/Ebizmarts/MailChimp/Helper/Data.php
index 106145d14..71b19dc30 100755
--- a/app/code/community/Ebizmarts/MailChimp/Helper/Data.php
+++ b/app/code/community/Ebizmarts/MailChimp/Helper/Data.php
@@ -618,7 +618,7 @@ public function createStore($listId, $scopeId, $scope)
             $mailchimpStoreId = md5($this->getMCStoreName($scopeId, $scope) . '_' . $date);
             //create store in mailchimp
             try {
-                $response = Mage::getModel('mailchimp/api_stores')->createMailChimpStore($mailchimpStoreId, $listId, $scopeId, $scope);
+                $response = $this->getApiStores()->createMailChimpStore($mailchimpStoreId, $listId, $scopeId, $scope);
                 //save in config
                 $configValues = array(
                     array(Ebizmarts_MailChimp_Model_Config::GENERAL_MCSTOREID, $mailchimpStoreId),
@@ -648,13 +648,14 @@ public function deleteStore($scopeId, $scope)
         $mailchimpStoreId = $this->getMCStoreId($scopeId, $scope);
         if (!empty($mailchimpStoreId)) {
             try {
-                Mage::getModel('mailchimp/api_stores')->deleteMailChimpStore($mailchimpStoreId, $scopeId, $scope);
+                $this->getApiStores()->deleteMailChimpStore($mailchimpStoreId, $scopeId, $scope);
             } catch (MailChimp_Error $e) {
-                Mage::helper('mailchimp')->logError($e->getFriendlyMessage(), $scopeId, $scope);
+                $this->logError($e->getFriendlyMessage(), $scopeId, $scope);
             }
 
             //delete configured webhook
-            $this->deleteCurrentWebhook($scopeId, $scope);
+            $listId = $this->getGeneralList($scopeId, $scope);
+            $this->deleteCurrentWebhook($scopeId, $scope, $listId);
             //clear store config values
             $this->deleteLocalMCStoreData($scopeId, $scope);
         }
@@ -781,7 +782,7 @@ public function changeName($name, $scopeId, $scope)
     {
         if ($this->getMCStoreId($scopeId, $scope) && $this->getIfConfigExistsForScope(Ebizmarts_MailChimp_Model_Config::GENERAL_MCSTOREID, $scopeId, $scope)) {
             try {
-                Mage::getModel('mailchimp/api_stores')->modifyName($name, $scopeId, $scope);
+                $this->getApiStores()->modifyName($name, $scopeId, $scope);
             } catch (MailChimp_Error $e) {
                 Mage::helper('mailchimp')->logError($e->getFriendlyMessage(), $scopeId, $scope);
             }
@@ -1062,7 +1063,7 @@ public function getMCJs()
         if ($this->isEcomSyncDataEnabled($storeId)) {
             $url = $this->getConfigValueForScope(Ebizmarts_MailChimp_Model_Config::ECOMMERCE_MC_JS_URL, $storeId);
             if (!$url) {
-                $url = Mage::getModel('mailchimp/api_stores')->getMCJsUrl($storeId, 'stores');
+                $url = $this->getApiStores()->getMCJsUrl($storeId, 'stores');
             }
             $script = '<script type="text/javascript" src="' . $url . '"></script>';
         }
@@ -1448,7 +1449,7 @@ protected function _setIsSyncingInAllStores($syncValue)
             $mailchimpApi = $this->getApi($storeId);
             $mailchimpStoreId = $this->getMCStoreId($storeId);
             if ($mailchimpStoreId) {
-                Mage::getModel('mailchimp/api_stores')->editIsSyncing($mailchimpApi, $syncValue, $mailchimpStoreId, $storeId);
+                $this->getApiStores()->editIsSyncing($mailchimpApi, $syncValue, $mailchimpStoreId, $storeId);
             }
         }
     }
@@ -1867,6 +1868,11 @@ public function addEntriesToArray($batchArray, $productData, $counter)
         return array($batchArray, $counter);
     }
 
+    protected function getApiStores()
+    {
+        return Mage::getModel('mailchimp/api_stores');
+    }
+  
     public function getCheckoutSubscribeValue($scopeId, $scope = 'stores')
     {
         return $this->getConfigValueForScope(Ebizmarts_MailChimp_Model_Config::GENERAL_CHECKOUT_SUBSCRIBE, $scopeId, $scope);
diff --git a/dev/tests/mailchimp/tests/app/Ebizmarts/MailChimp/Helper/DataTest.php b/dev/tests/mailchimp/tests/app/Ebizmarts/MailChimp/Helper/DataTest.php
index fa94208e3..33cfbd922 100644
--- a/dev/tests/mailchimp/tests/app/Ebizmarts/MailChimp/Helper/DataTest.php
+++ b/dev/tests/mailchimp/tests/app/Ebizmarts/MailChimp/Helper/DataTest.php
@@ -63,4 +63,25 @@ public function testIsCheckoutSubscribeEnabled()
 
         $this->assertTrue($helperMock->isCheckoutSubscribeEnabled(1, "stores"));
     }
+
+    public function testDeleteStore()
+    {
+        $scopeId = 1;
+        $scope = 'stores';
+        $helperMock = $this->getMockBuilder(Ebizmarts_MailChimp_Helper_Data::class)
+            ->disableOriginalConstructor()
+            ->setMethods(array('getMCStoreId', 'getApiStores', 'getGeneralList', 'deleteCurrentWebhook', 'deleteLocalMCStoreData'))
+            ->getMock();
+        $apiStoresMock = $this->getMockBuilder(Ebizmarts_MailChimp_Model_Api_Stores::class)
+            ->disableOriginalConstructor()
+            ->getMock();
+
+        $helperMock->expects($this->once())->method('getMCStoreId')->with($scopeId, $scope)->willReturn('a18a1a8a1aa7aja1a');
+        $helperMock->expects($this->once())->method('getApiStores')->willReturn($apiStoresMock);
+        $helperMock->expects($this->once())->method('getGeneralList')->with($scopeId, $scope)->willReturn('listId');
+        $helperMock->expects($this->once())->method('deleteCurrentWebhook')->with($scopeId, $scope, 'listId');
+        $helperMock->expects($this->once())->method('deleteLocalMCStoreData')->with($scopeId, $scope);
+
+        $helperMock->deleteStore($scopeId, $scope);
+    }
 }
\ No newline at end of file
diff --git a/dev/tests/mailchimp/tests/app/Ebizmarts/MailChimp/Model/Api/BatchesTest.php b/dev/tests/mailchimp/tests/app/Ebizmarts/MailChimp/Model/Api/BatchesTest.php
index 4cbfcbcfb..b2ba14efe 100644
--- a/dev/tests/mailchimp/tests/app/Ebizmarts/MailChimp/Model/Api/BatchesTest.php
+++ b/dev/tests/mailchimp/tests/app/Ebizmarts/MailChimp/Model/Api/BatchesTest.php
@@ -28,7 +28,7 @@ public function testSendEcommerceBatch()
 
         $helperMock = $this->getMockBuilder(Ebizmarts_MailChimp_Helper_Data::class)
             ->disableOriginalConstructor()
-            ->setMethods(array('getMCStoreId', 'isMailChimpEnabled', 'isEcomSyncDataEnabled', 'getApi', 'getIsReseted'))
+            ->setMethods(array('getMCStoreId', 'isMailChimpEnabled', 'isEcomSyncDataEnabled', 'getApi', 'getIsReseted', 'getMCIsSyncing'))
             ->getMock();
 
         $apiCustomersMock = $this->getMockBuilder(Ebizmarts_MailChimp_Model_Api_Customers::class)
@@ -56,7 +56,7 @@ public function testSendEcommerceBatch()
 
         $apiMock = $this->getMockBuilder(Ebizmarts_MailChimp::class)
             ->disableOriginalConstructor()
-        //            ->setMethods(array(''))
+//                    ->setMethods(array('edit'))
             ->getMock();
 
         $apiBatchesMock->expects($this->once())->method('getHelper')->willReturn($helperMock);
@@ -69,6 +69,7 @@ public function testSendEcommerceBatch()
         $helperMock->expects($this->once())->method('getMCStoreId')->with(1)->willReturn('b81c3085c51fa593e1d6b0cf59884f3e');
         $helperMock->expects($this->once())->method('isMailChimpEnabled')->with(1)->willReturn(1);
         $helperMock->expects($this->once())->method('isEcomSyncDataEnabled')->with(1)->willReturn(1);
+        $helperMock->expects($this->once())->method('getMCIsSyncing')->with(1)->willReturn(0);
 
         $apiCustomersMock->expects($this->once())->method('createBatchJson')->with('b81c3085c51fa593e1d6b0cf59884f3e', 1);
         $apiProductsMock->expects($this->once())->method('createBatchJson')->with('b81c3085c51fa593e1d6b0cf59884f3e', 1);