diff --git a/src/_h5ai/index.html.jade b/src/_h5ai/index.html.jade
index 1ad24359..708aee0e 100644
--- a/src/_h5ai/index.html.jade
+++ b/src/_h5ai/index.html.jade
@@ -52,10 +52,6 @@ html.no-js( lang="en" )
 				span.test-label pdf thumbs
 				span.test-result ?
 				div.test-info command 'convert' available
-			li.test( data-id="archive" )
-				span.test-label php tar and zip
-				span.test-result ?
-				div.test-info PHP Phar extension available
 			li.test( data-id="tar" )
 				span.test-label shell tar
 				span.test-result ?
diff --git a/src/_h5ai/server/php/inc/App.php b/src/_h5ai/server/php/inc/App.php
index d30adc76..ce3dd8e0 100644
--- a/src/_h5ai/server/php/inc/App.php
+++ b/src/_h5ai/server/php/inc/App.php
@@ -273,7 +273,6 @@ class App {
 	public function get_server_checks() {
 
 		$php = version_compare(PHP_VERSION, "5.2.1") >= 0;
-		$archive = class_exists("PharData");
 		$gd = false;
 		if (function_exists("gd_info")) {
 			$gdinfo = gd_info();
@@ -291,7 +290,6 @@ class App {
 			"php" => $php,
 			"cache" => $cache,
 			"thumbs" => $gd,
-			"archive" => $archive,
 			"tar" => $tar,
 			"zip" => $zip,
 			"convert" => $convert,