diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8fe0294..73b526f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+## v.3.1.4
+* Добавлено удаление типа цены для неустановленных акционных цен
+
+
 ## v.3.1.3
 * Добавлена возможность передачи акционных цен для нескольких групп пользователей
 * Добавлена передача нулевой цены для неустановленных акционных цен
diff --git a/src/upload/admin/model/extension/retailcrm/prices.php b/src/upload/admin/model/extension/retailcrm/prices.php
index fe598c5..4cc72b0 100644
--- a/src/upload/admin/model/extension/retailcrm/prices.php
+++ b/src/upload/admin/model/extension/retailcrm/prices.php
@@ -120,7 +120,8 @@ class ModelExtensionRetailcrmPrices extends Model
                 if (isset($settings[\Retailcrm\Retailcrm::MODULE . '_special_' . $k])) {
                     $price[] = array(
                         'code' => $settings[\Retailcrm\Retailcrm::MODULE . '_special_' . $k],
-                        'price' => $v == 0 ? $v : $v + $optionsValues['price']
+                        'price' => !$v['remove'] ? $v['price'] + $optionsValues['price'] : 0,
+                        'remove' => $v['remove']
                     );
                 }
             }
@@ -146,7 +147,7 @@ class ModelExtensionRetailcrmPrices extends Model
         $productPrice = array();
 
         foreach ($customerGroups as $customerGroup) {
-            $productPrice[$customerGroup['customer_group_id']] = 0;
+            $productPrice[$customerGroup['customer_group_id']]['remove'] = true;
         }
 
         return $productPrice;
@@ -173,12 +174,14 @@ class ModelExtensionRetailcrmPrices extends Model
                     if ((isset($priority) && $priority > $special['priority'])
                         || !isset($priority)
                     ) {
-                        $productPrice[$special['customer_group_id']] = $special['price'];
+                        $productPrice[$special['customer_group_id']]['price'] = $special['price'];
+                        $productPrice[$special['customer_group_id']]['remove'] = false;
                         $priority = $special['priority'];
                         $groupId = $special['customer_group_id'];
                     }
                 } else {
-                    $productPrice[$special['customer_group_id']] = $special['price'];
+                    $productPrice[$special['customer_group_id']]['price'] = $special['price'];
+                    $productPrice[$special['customer_group_id']]['remove'] = false;
                     $groupId = $special['customer_group_id'];
                 }
             }
@@ -188,7 +191,7 @@ class ModelExtensionRetailcrmPrices extends Model
 
         foreach ($customerGroups as $customerGroup) {
             if (!isset($productPrice[$customerGroup['customer_group_id']])){
-                $productPrice[$customerGroup['customer_group_id']] = 0;
+                $productPrice[$customerGroup['customer_group_id']]['remove'] = true;
             }
         }
 
diff --git a/tests/admin/ModelRetailcrmPricesAdminTest.php b/tests/admin/ModelRetailcrmPricesAdminTest.php
index 58790bc..6a91725 100644
--- a/tests/admin/ModelRetailcrmPricesAdminTest.php
+++ b/tests/admin/ModelRetailcrmPricesAdminTest.php
@@ -58,7 +58,9 @@ class ModelRetailcrmPricesAdminTest extends OpenCartTest
         $this->assertSame('special1', $price['prices'][0]['code']);
         $this->assertSame('special2', $price['prices'][1]['code']);
         $this->assertSame('special3', $price['prices'][2]['code']);
-        $this->assertSame(0, $price['prices'][2]['price']);
+        $this->assertFalse($price['prices'][0]['remove']);
+        $this->assertFalse($price['prices'][1]['remove']);
+        $this->assertNotFalse($price['prices'][2]['remove']);
     }
 
     private function getSites()