diff --git a/Zotlabs/Module/Ap_probe.php b/Zotlabs/Module/Ap_probe.php
deleted file mode 100644
index 57e254267..000000000
--- a/Zotlabs/Module/Ap_probe.php
+++ /dev/null
@@ -1,42 +0,0 @@
-<?php
-namespace Zotlabs\Module;
-
-require_once('include/zot.php');
-require_once('addon/pubcrawl/HTTPSig.php');
-
-class Ap_probe extends \Zotlabs\Web\Controller {
-
-	function get() {
-	
-		$o .= '<h3>ActivityPub Probe Diagnostic</h3>';
-	
-		$o .= '<form action="ap_probe" method="get">';
-		$o .= 'Lookup URI: <input type="text" style="width: 250px;" name="addr" value="' . $_GET['addr'] .'" /><br>';
-		$o .= 'Request Signed version: <input type=checkbox name="magenv" value="1" ><br>';
-		$o .= '<input type="submit" name="submit" value="Submit" /></form>'; 
-	
-		$o .= '<br /><br />';
-	
-		if(x($_GET,'addr')) {
-			$addr = $_GET['addr'];
-
-			if($_GET['magenv']) {
-				$headers = 'Accept: application/magic-envelope+json, application/activity+json, application/ld+json; profile="https://www.w3.org/ns/activitystreams"';
-			}
-			else {
-				$headers = 'Accept: application/activity+json, application/ld+json; profile="https://www.w3.org/ns/activitystreams"';
-			}
-
-			$redirects = 0;
-		    $x = z_fetch_url($addr,true,$redirects, [ 'headers' => [ $headers ]]);
-	    	if($x['success'])
-				$o .= '<pre>' . $x['header'] . '</pre>' . EOL;
-				
-				$o .= 'verify returns: ' . \HTTPSig::verify($x) . EOL;
- 
-				$o .= '<pre>' . str_replace(['\\n','\\'],["\n",''],jindent($x['body'])) . '</pre>';
-		}
-		return $o;
-	}
-	
-}