diff --git a/src/kernel/boot/arch/Jamfile b/src/kernel/boot/arch/Jamfile
index cfe834ccb6..85a832bb80 100644
--- a/src/kernel/boot/arch/Jamfile
+++ b/src/kernel/boot/arch/Jamfile
@@ -1,10 +1,3 @@
 SubDir OBOS_TOP src kernel boot arch ;
 
-SubInclude OBOS_TOP src kernel boot arch alpha ;
-SubInclude OBOS_TOP src kernel boot arch x86 ;
-SubInclude OBOS_TOP src kernel boot arch m68k ;
-SubInclude OBOS_TOP src kernel boot arch mips ;
-SubInclude OBOS_TOP src kernel boot arch ppc ;
-SubInclude OBOS_TOP src kernel boot arch sh4 ;
-SubInclude OBOS_TOP src kernel boot arch sparc ;
-SubInclude OBOS_TOP src kernel boot arch sparc64 ;
+SubInclude OBOS_TOP src kernel boot arch $(OBOS_ARCH) ;