diff --git a/arch/s390/include/asm/processor.h b/arch/s390/include/asm/processor.h
index d559bdb03d18325f5c5fda2e97eb0136aeb1baf3..bed05ea7ec27eb236cc65b2007379fa6f61fb865 100644
--- a/arch/s390/include/asm/processor.h
+++ b/arch/s390/include/asm/processor.h
@@ -217,8 +217,6 @@ static inline unsigned short stap(void)
  */
 static inline void cpu_relax(void)
 {
-	if (MACHINE_HAS_DIAG44)
-		asm volatile("diag 0,0,68");
 	barrier();
 }