1 files changed, 0 insertions, 2 deletions

diff --git a/include/asm-x86_64/system.h b/include/asm-x86_64/system.h
index 1f1c0bf4a5df..5316f3cac230 100644
--- a/include/asm-x86_64/system.h
+++ b/include/asm-x86_64/system.h
@@ -126,8 +126,6 @@ static inline void sched_cacheflush(void)
 
 #define xchg(ptr,v) ((__typeof__(*(ptr)))__xchg((unsigned long)(v),(ptr),sizeof(*(ptr))))
 
-#define tas(ptr) (xchg((ptr),1))
-
 #define __xg(x) ((volatile long *)(x))
 
 static inline void set_64bit(volatile unsigned long *ptr, unsigned long val)