diff --git a/ext/setup/main.php b/ext/setup/main.php
index ae0c467a..899db9e7 100644
--- a/ext/setup/main.php
+++ b/ext/setup/main.php
@@ -233,7 +233,7 @@ class Setup extends Extension {
 				$host .= ":" . $_SERVER["SERVER_PORT"];
 			}
 		}
-                $full = (@$_SERVER["HTTPS"] ? "https://" : "http://") . $host . $_SERVER["PHP_SELF"];
+		$full = "//" . $host . $_SERVER["PHP_SELF"];
 		$test_url = str_replace("/index.php", "/nicetest", $full);
 
 		$nicescript = "<script type='text/javascript'>
diff --git a/ext/setup/script.js b/ext/setup/script.js
deleted file mode 100644
index 55246bbe..00000000
--- a/ext/setup/script.js
+++ /dev/null
@@ -1,8 +0,0 @@
-function getHTTPObject() {
-	if (window.XMLHttpRequest){
-		return new XMLHttpRequest();
-	}
-	else if(window.ActiveXObject){
-		return new ActiveXObject("Microsoft.XMLHTTP");
-	}
-}