diff --git a/browser/base/content/test/general/browser.ini b/browser/base/content/test/general/browser.ini
index a02a166c0eb5..2ff1db1a2a23 100644
--- a/browser/base/content/test/general/browser.ini
+++ b/browser/base/content/test/general/browser.ini
@@ -344,6 +344,7 @@ skip-if = e10s # Bug ?????? - test directly manipulates content
 
 [browser_parsable_css.js]
 [browser_parsable_script.js]
+skip-if = debug # Times out on debug, and we are less picky about our JS there
 
 [browser_pinnedTabs.js]
 skip-if = e10s # Bug 921905 - pinTab/unpinTab fail in e10s