diff --git a/arch/powerpc/Makefile b/arch/powerpc/Makefile
index b7d4c4c..59ae7d9 100644
--- a/arch/powerpc/Makefile
+++ b/arch/powerpc/Makefile
@@ -18,22 +18,16 @@
 CROSS32_COMPILE ?=
 
 CROSS32CC		:= $(CROSS32_COMPILE)gcc
-CROSS32AS		:= $(CROSS32_COMPILE)as
-CROSS32LD		:= $(CROSS32_COMPILE)ld
 CROSS32AR		:= $(CROSS32_COMPILE)ar
-CROSS32OBJCOPY		:= $(CROSS32_COMPILE)objcopy
 
 ifeq ($(HAS_BIARCH),y)
 ifeq ($(CROSS32_COMPILE),)
 CROSS32CC	:= $(CC) -m32
-CROSS32AS	:= $(AS) -a32
-CROSS32LD	:= $(LD) -m elf32ppc
-CROSS32OBJCOPY	:= $(OBJCOPY)
 CROSS32AR	:= GNUTARGET=elf32-powerpc $(AR)
 endif
 endif
 
-export CROSS32CC CROSS32AS CROSS32LD CROSS32AR CROSS32OBJCOPY
+export CROSS32CC CROSS32AR
 
 ifeq ($(CROSS_COMPILE),)
 KBUILD_DEFCONFIG := $(shell uname -m)_defconfig