diff --git a/html/includes/functions.inc.php b/html/includes/functions.inc.php
index 4e4102e9b2..a2ad437e66 100644
--- a/html/includes/functions.inc.php
+++ b/html/includes/functions.inc.php
@@ -1343,23 +1343,3 @@ function ipmiSensorName($hardwareId, $sensorIpmi, $rewriteArray)
         return $sensorIpmi;
     }
 }
-
-function get_auth_ad_user_filter($username)
-{
-    global $config;
-    $user_filter = "(samaccountname=$username)";
-    if ($config['auth_ad_user_filter']) {
-        $user_filter = "(&{$config['auth_ad_user_filter']}$user_filter)";
-    }
-    return $user_filter;
-}
-
-function get_auth_ad_group_filter($groupname)
-{
-    global $config;
-    $group_filter = "(samaccountname=$groupname)";
-    if ($config['auth_ad_group_filter']) {
-        $group_filter = "(&{$config['auth_ad_group_filter']}$group_filter)";
-    }
-    return $group_filter;
-}
diff --git a/includes/common.php b/includes/common.php
index 8ad5499f21..f6c0d13ffb 100644
--- a/includes/common.php
+++ b/includes/common.php
@@ -1460,3 +1460,23 @@ function starts_with($haystack, $needles, $case_insensitive = false)
     }
     return false;
 }
+
+function get_auth_ad_user_filter($username)
+{
+    global $config;
+    $user_filter = "(samaccountname=$username)";
+    if ($config['auth_ad_user_filter']) {
+        $user_filter = "(&{$config['auth_ad_user_filter']}$user_filter)";
+    }
+    return $user_filter;
+}
+
+function get_auth_ad_group_filter($groupname)
+{
+    global $config;
+    $group_filter = "(samaccountname=$groupname)";
+    if ($config['auth_ad_group_filter']) {
+        $group_filter = "(&{$config['auth_ad_group_filter']}$group_filter)";
+    }
+    return $group_filter;
+}