diff --git a/catalog/admin/includes/modules/dashboard/d_partner_news.php b/catalog/admin/includes/modules/dashboard/d_partner_news.php
index 6cada1a9b..4cbfbd093 100644
--- a/catalog/admin/includes/modules/dashboard/d_partner_news.php
+++ b/catalog/admin/includes/modules/dashboard/d_partner_news.php
@@ -110,7 +110,7 @@ function _getContent() {
           $result = json_decode($result, true);
 
           if ( is_writable(DIR_FS_CACHE) ) {
-            file_put_contents($filename, serialize($result), LOCK_EX);
+            file_put_contents($filename, serialize($result));
           }
         }
       }
diff --git a/catalog/includes/OSC/OM/Cache.php b/catalog/includes/OSC/OM/Cache.php
index 8b0742820..efbfb06e1 100644
--- a/catalog/includes/OSC/OM/Cache.php
+++ b/catalog/includes/OSC/OM/Cache.php
@@ -28,7 +28,7 @@ public function write($data, $key = null)
         }
 
         if (is_writable(OSCOM_BASE_DIR . 'work/')) {
-            return file_put_contents(OSCOM_BASE_DIR . 'work/' . $key . '.cache', serialize($data), LOCK_EX) !== false;
+            return file_put_contents(OSCOM_BASE_DIR . 'work/' . $key . '.cache', serialize($data)) !== false;
         }
 
         return false;