Simplify cache buster and use only values that can change.

fixes #4567

1 files changed, 2 insertions, 3 deletions

diff --git a/core/AssetManager/UIAssetCacheBuster.php b/core/AssetManager/UIAssetCacheBuster.php
index 181a559c95..8b0f849f6a 100644
--- a/core/AssetManager/UIAssetCacheBuster.php
+++ b/core/AssetManager/UIAssetCacheBuster.php
@@ -12,7 +12,6 @@
 namespace Piwik\AssetManager;
 
 use Piwik\Plugin\Manager;
-use Piwik\SettingsPiwik;
 use Piwik\Singleton;
 use Piwik\Version;
 
@@ -32,8 +31,8 @@ class UIAssetCacheBuster extends Singleton
     {
         $masterFile = PIWIK_INCLUDE_PATH . '/.git/refs/heads/master';
         $currentGitHash = file_exists($masterFile) ? @file_get_contents($masterFile) : null;
-        $pluginList = md5(implode(",", !$pluginNames ? Manager::getInstance()->getLoadedPluginsName() : $pluginNames));
-        $cacheBuster = md5(SettingsPiwik::getSalt() . $pluginList . PHP_VERSION . Version::VERSION . trim($currentGitHash));
+        $pluginList = implode(",", !$pluginNames ? Manager::getInstance()->getLoadedPluginsName() : $pluginNames);
+        $cacheBuster = md5($pluginList . PHP_VERSION . Version::VERSION . trim($currentGitHash));
         return $cacheBuster;
     }