diff --git a/arch/ppc/platforms/prep_setup.c b/arch/ppc/platforms/prep_setup.c
index 6f21110a9747..3c56654bfc6f 100644
--- a/arch/ppc/platforms/prep_setup.c
+++ b/arch/ppc/platforms/prep_setup.c
@@ -69,9 +69,6 @@
 
 TODC_ALLOC();
 
-unsigned char ucBoardRev;
-unsigned char ucBoardRevMaj, ucBoardRevMin;
-
 extern unsigned char prep_nvram_read_val(int addr);
 extern void prep_nvram_write_val(int addr,
 				 unsigned char val);
diff --git a/include/asm-powerpc/processor.h b/include/asm-powerpc/processor.h
index d947b1609491..e28b10805159 100644
--- a/include/asm-powerpc/processor.h
+++ b/include/asm-powerpc/processor.h
@@ -43,14 +43,6 @@ extern int _chrp_type;
 /* what kind of prep workstation we are */
 extern int _prep_type;
 
-/*
- * This is used to identify the board type from a given PReP board
- * vendor. Board revision is also made available. This will be moved
- * elsewhere soon
- */
-extern unsigned char ucBoardRev;
-extern unsigned char ucBoardRevMaj, ucBoardRevMin;
-
 #endif /* CONFIG_PPC_PREP */
 
 #endif /* defined(__KERNEL__) && defined(CONFIG_PPC32) */