diff --git a/arch/s390/include/asm/cputime.h b/arch/s390/include/asm/cputime.h
index 1d389847b588..7f9284e2a7db 100644
--- a/arch/s390/include/asm/cputime.h
+++ b/arch/s390/include/asm/cputime.h
@@ -11,21 +11,6 @@
 #include <linux/types.h>
 #include <asm/timex.h>
 
-#define CPUTIME_PER_USEC 4096ULL
-#define CPUTIME_PER_SEC (CPUTIME_PER_USEC * USEC_PER_SEC)
-
-/* We want to use full resolution of the CPU timer: 2**-12 micro-seconds. */
-
-#define cmpxchg_cputime(ptr, old, new) cmpxchg64(ptr, old, new)
-
-/*
- * Convert cputime to microseconds.
- */
-static inline u64 cputime_to_usecs(const u64 cputime)
-{
-	return cputime >> 12;
-}
-
 /*
  * Convert cputime to nanoseconds.
  */