diff --git a/admin/dbperformance.php b/admin/dbperformance.php
deleted file mode 100644
index d48b29a56de..00000000000
--- a/admin/dbperformance.php
+++ /dev/null
@@ -1,32 +0,0 @@
-<?PHP
-// dbperformance.php - shows latest ADOdb stats for the current server
-
-// disable moodle specific debug messages and any errors in output
-define('NO_DEBUG_DISPLAY', true);
-
-require_once('../config.php');
-
-error('TODO: rewrite db perf code'); // TODO: rewrite
-
-
-    $topframe    = optional_param('topframe', 0, PARAM_BOOL);
-    $bottomframe = optional_param('bottomframe', 0, PARAM_BOOL);
-    $do          = optional_param('do', '', PARAM_ALPHA);
-
-    require_login();
-
-    require_capability('moodle/site:config', get_context_instance(CONTEXT_SYSTEM));
-
-    $strdatabaseperformance = get_string("databaseperformance");
-    $stradministration = get_string("administration");
-    $site = get_site();
-
-    if (!empty($topframe)) {
-        $PAGE->set_url('/admin/dbperformance.php');
-        $PAGE->navbar->add($stradministration, new moodle_url('/admin/index.php'));
-        $PAGE->navbar->add($strdatabaseperformance);
-        $PAGE->set_title("$site->shortname: $strdatabaseperformance");
-        $PAGE->set_heading($site->fullname);
-        echo $OUTPUT->header();
-        exit;
-    }