1 files changed, 0 insertions, 2 deletions

diff --git a/arch/ppc/syslib/ppc85xx_rio.c b/arch/ppc/syslib/ppc85xx_rio.c
index 05b0e9415085..2b097800cdd9 100644
--- a/arch/ppc/syslib/ppc85xx_rio.c
+++ b/arch/ppc/syslib/ppc85xx_rio.c
@@ -59,8 +59,6 @@
 #define DBELL_TID(x)            (*(u8 *)(x + DOORBELL_TID_OFFSET))
 #define DBELL_INF(x)            (*(u16 *)(x + DOORBELL_INFO_OFFSET))
 
-#define is_power_of_2(x)        (((x) & ((x) - 1)) == 0)
-
 struct rio_atmu_regs {
         u32 rowtar;
         u32 pad1;