diff --git a/toolkit/mozapps/extensions/test/browser/browser.ini b/toolkit/mozapps/extensions/test/browser/browser.ini
index 5307d304d7bc..813401edd663 100644
--- a/toolkit/mozapps/extensions/test/browser/browser.ini
+++ b/toolkit/mozapps/extensions/test/browser/browser.ini
@@ -60,7 +60,7 @@ skip-if = os == "linux" && !debug # Bug 1395539 - fails on multi-core
 skip-if = buildapp == 'mulet'
 [browser_dragdrop_incompat.js]
 [browser_file_xpi_no_process_switch.js]
-skip-if = !debug && ((os == 'linux' && bits == '64') || (os == 'win' && os_version == '6.1')) # Bug 1449071 - disable on Linux64 and Windows 7 due to frequent failures
+skip-if = true # Bug 1449071 - Frequent failures
 [browser_getmorethemes.js]
 [browser_globalwarnings.js]
 [browser_gmpProvider.js]