diff -ruw src.orig/Makefile.in src/Makefile.in
--- src.orig/Makefile.in	2009-12-20 18:52:08.000000000 +0100
+++ src/Makefile.in	2009-12-20 18:53:22.000000000 +0100
@@ -45,8 +45,6 @@
 
 include $(MOD_DEPTH)/config/autoconf.mk
 
-MAKE := $(patsubst -j%,,$(MAKE)) -j1
-
 DIRS = config pr lib
 
 ifdef MOZILLA_CLIENT