diff --git a/firefox.spec b/firefox.spec
index 13c52fa..aabb28f 100644
--- a/firefox.spec
+++ b/firefox.spec
@@ -319,8 +319,6 @@ fi
 %{mozappdir}/.autoreg
 # XXX See if these are needed still
 %{mozappdir}/updater*
-# provided by XULRunner
-%exclude %{mozappdir}/libjemalloc.so
 
 #---------------------------------------------------------------------