diff --git a/arch/blackfin/include/asm/atomic.h b/arch/blackfin/include/asm/atomic.h
index 0cb40ce2265101a6a38cec0a985cf0ada6ba25c1..4c707dbe1ff9f64643822094eb9d7f09a1b30885 100644
--- a/arch/blackfin/include/asm/atomic.h
+++ b/arch/blackfin/include/asm/atomic.h
@@ -76,11 +76,6 @@ static inline void atomic_set_mask(int mask, atomic_t *v)
 	__raw_atomic_set_asm(&v->counter, mask);
 }
 
-static inline int atomic_test_mask(int mask, atomic_t *v)
-{
-	return __raw_atomic_test_asm(&v->counter, mask);
-}
-
 /* Atomic operations are already serializing */
 #define smp_mb__before_atomic_dec()    barrier()
 #define smp_mb__after_atomic_dec() barrier()