diff --git a/include/linux/ktime.h b/include/linux/ktime.h
index f3dec45..62bc575 100644
--- a/include/linux/ktime.h
+++ b/include/linux/ktime.h
@@ -64,9 +64,6 @@
 
 #if (BITS_PER_LONG == 64) || defined(CONFIG_KTIME_SCALAR)
 
-/* Define a ktime_t variable and initialize it to zero: */
-#define DEFINE_KTIME(kt)		ktime_t kt = { .tv64 = 0 }
-
 /**
  * ktime_set - Set a ktime_t variable from a seconds/nanoseconds value
  *
@@ -113,9 +110,6 @@
 /* Map the ktime_t to timeval conversion to ns_to_timeval function */
 #define ktime_to_timeval(kt)		ns_to_timeval((kt).tv64)
 
-/* Map the ktime_t to clock_t conversion to the inline in jiffies.h: */
-#define ktime_to_clock_t(kt)		nsec_to_clock_t((kt).tv64)
-
 /* Convert ktime_t to nanoseconds - NOP in the scalar storage format: */
 #define ktime_to_ns(kt)			((kt).tv64)
 
@@ -136,9 +130,6 @@
  *   tv.sec < 0 and 0 >= tv.nsec < NSEC_PER_SEC
  */
 
-/* Define a ktime_t variable and initialize it to zero: */
-#define DEFINE_KTIME(kt)		ktime_t kt = { .tv64 = 0 }
-
 /* Set a ktime_t variable to a value in sec/nsec representation: */
 static inline ktime_t ktime_set(const long secs, const unsigned long nsecs)
 {
@@ -255,17 +246,6 @@
 }
 
 /**
- * ktime_to_clock_t - convert a ktime_t variable to clock_t format
- * @kt:		the ktime_t variable to convert
- *
- * Returns a clock_t variable with the converted value
- */
-static inline clock_t ktime_to_clock_t(const ktime_t kt)
-{
-	return nsec_to_clock_t( (u64) kt.tv.sec * NSEC_PER_SEC + kt.tv.nsec);
-}
-
-/**
  * ktime_to_ns - convert a ktime_t variable to scalar nanoseconds
  * @kt:		the ktime_t variable to convert
  *