diff --git a/CRM/Core/DAO.php b/CRM/Core/DAO.php
index a1cd6f749891..d024e0261b4a 100644
--- a/CRM/Core/DAO.php
+++ b/CRM/Core/DAO.php
@@ -1181,15 +1181,12 @@ public static function checkTableHasData($tableName) {
 
   /**
    * @param $version
-   *
+   * @deprecated
    * @return bool
    */
   public function checkVersion($version) {
-    $query = "
-SELECT version
-FROM   civicrm_domain
-";
-    $dbVersion = CRM_Core_DAO::singleValueQuery($query);
+    CRM_Core_Error::deprecatedFunctionWarning('CRM_Core_BAO_Domain::version');
+    $dbVersion = CRM_Core_BAO_Domain::version();
     return trim($version) == trim($dbVersion);
   }
 
diff --git a/CRM/Upgrade/Form.php b/CRM/Upgrade/Form.php
index 6eb65bf70d3f..2ab3c1c7e8d8 100644
--- a/CRM/Upgrade/Form.php
+++ b/CRM/Upgrade/Form.php
@@ -286,19 +286,6 @@ public function logVersion($newVersion) {
     return FALSE;
   }
 
-  /**
-   * @param $version
-   *
-   * @return bool
-   */
-  public function checkVersion($version) {
-    $domainID = CRM_Core_DAO::getFieldValue('CRM_Core_DAO_Domain',
-      $version, 'id',
-      'version'
-    );
-    return (bool) $domainID;
-  }
-
   /**
    * @return array
    * @throws Exception