diff --git a/b2g/components/ContentHandler.js b/b2g/components/ContentHandler.js
index 38b25fb33f3..4f77d7c6e71 100644
--- a/b2g/components/ContentHandler.js
+++ b/b2g/components/ContentHandler.js
@@ -8,8 +8,6 @@ const Ci = Components.interfaces;
 const Cr = Components.results;
 const Cu = Components.utils;
 
-const PDF_CONTENT_TYPE = "application/pdf";
-
 Cu.import("resource://gre/modules/XPCOMUtils.jsm");
 Cu.import("resource://gre/modules/Services.jsm");