Index: bus_dma.c
===================================================================
RCS file: /cvs/src/sys/arch/amd64/amd64/bus_dma.c,v
retrieving revision 1.47
diff -u -p -r1.47 bus_dma.c
--- bus_dma.c	24 Jan 2015 15:13:55 -0000	1.47
+++ bus_dma.c	27 Jan 2015 04:56:16 -0000
@@ -95,24 +95,10 @@
 
 #include <machine/bus.h>
 
-#include <dev/isa/isareg.h>
-#include <dev/isa/isavar.h>
-
 #include <uvm/uvm_extern.h>
 
-#include "ioapic.h"
-
-#if NIOAPIC > 0
-#include <machine/i82093var.h>
-#include <machine/mpbiosvar.h>
-#endif
-
 int _bus_dmamap_load_buffer(bus_dma_tag_t, bus_dmamap_t, void *, bus_size_t,
     struct proc *, int, paddr_t *, int *, int);
-
-#define	IDTVEC(name)	__CONCAT(X,name)
-typedef void (vector)(void);
-extern vector *IDTVEC(intr)[];
 
 /*
  * Common function for DMA map creation.  May be called by bus-specific