diff --git a/browser/confvars.sh b/browser/confvars.sh
index d2280613965e..6448455519f6 100755
--- a/browser/confvars.sh
+++ b/browser/confvars.sh
@@ -58,5 +58,5 @@ MOZ_MORKREADER=1
 MOZ_SAFE_BROWSING=1
 MOZ_APP_VERSION=$FIREFOX_VERSION
 MOZ_NO_XPCOM_OBSOLETE=1
-MOZ_EXTENSIONS_DEFAULT=" xml-rpc inspector gnomevfs reporter"
+MOZ_EXTENSIONS_DEFAULT=" inspector gnomevfs reporter"
 # MOZ_APP_DISPLAYNAME will be set by branding/configure.sh
diff --git a/xulrunner/confvars.sh b/xulrunner/confvars.sh
index 7d6a904d4093..9b1a12280748 100755
--- a/xulrunner/confvars.sh
+++ b/xulrunner/confvars.sh
@@ -46,5 +46,5 @@ MOZ_JAVAXPCOM=1
 if test "$MOZ_STORAGE"; then
   MOZ_PLACES=1
 fi
-MOZ_EXTENSIONS_DEFAULT=" xml-rpc gnomevfs"
+MOZ_EXTENSIONS_DEFAULT=" gnomevfs"
 MOZ_NO_XPCOM_OBSOLETE=1