diff --git a/toolkit/content/widgets/browser.xml b/toolkit/content/widgets/browser.xml
index 48f87e21ea00..33be094f4b29 100644
--- a/toolkit/content/widgets/browser.xml
+++ b/toolkit/content/widgets/browser.xml
@@ -239,19 +239,6 @@
null
- 3
- 10
- null
- null
- false
- null
- false
- 0
- null
- null
- null
- null
- false
@@ -449,7 +436,22 @@
]]>