--- zzzz-none-000/linux-3.10.107/arch/s390/include/asm/vtimer.h	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/arch/s390/include/asm/vtimer.h	2021-02-04 17:41:59.000000000 +0000
@@ -28,6 +28,4 @@
 extern void init_cpu_vtimer(void);
 extern void vtime_init(void);
 
-extern void vtime_stop_cpu(void);
-
 #endif /* _ASM_S390_TIMER_H */