diff --git a/public_html/appmonitor/classes/appmonitor-checks.class.php b/public_html/appmonitor/classes/appmonitor-checks.class.php
index ec23506fbd902c1ade9f650028f8bae314b5d400..4acdcc4d3d6da13c658375e60bea2e0394badb12 100644
--- a/public_html/appmonitor/classes/appmonitor-checks.class.php
+++ b/public_html/appmonitor/classes/appmonitor-checks.class.php
@@ -242,7 +242,7 @@ class appmonitorcheck {
      * )
      * @return boolean
      */
-    public function checkCert($aParams) {
+    private function checkCert($aParams) {
         $sUrl = isset($aParams["url"]) 
                 ? $aParams["url"] 
                 : 'http'. ($_SERVER['HTTPS'] ? 's' : '') . '://' . $_SERVER['SERVER_NAME'] .':' . $_SERVER['SERVER_PORT']
@@ -325,7 +325,7 @@ class appmonitorcheck {
      * )
      * @return boolean
      */
-    public function checkDiskfree($aParams) {
+    private function checkDiskfree($aParams) {
         $this->_checkArrayKeys($aParams, "directory", "critical");
         
         $sDirectory = $aParams["directory"];
@@ -378,7 +378,7 @@ class appmonitorcheck {
      * )
      * @return boolean
      */
-    public function checkFile($aParams) {
+    private function checkFile($aParams) {
         $aOK = array();
         $aErrors = array();
         $this->_checkArrayKeys($aParams, "filename");