diff --git a/content/apply.js b/content/apply.js
index 7ddbce3d..9b8c3213 100644
--- a/content/apply.js
+++ b/content/apply.js
@@ -189,14 +189,6 @@ function applyStyles(styles) {
     doExposeIframes(styles.exposeIframes);
     delete styles.exposeIframes;
   }
-  if (document.head
-  && document.head.firstChild
-  && document.head.firstChild.id === 'xml-viewer-style') {
-    // when site response is application/xml Chrome displays our style elements
-    // under document.documentElement as plain text so we need to move them into HEAD
-    // which is already autogenerated at this moment
-    ROOT = document.head;
-  }
   if (styles.needTransitionPatch) {
     // CSS transition bug workaround: since we insert styles asynchronously,
     // the browsers, especially Firefox, may apply all transitions on page load