1 files changed, 0 insertions, 4 deletions

diff --git a/mm/slab.c b/mm/slab.c
index 7bc4a136846e..39d20f8a0791 100644
--- a/mm/slab.c
+++ b/mm/slab.c
@@ -139,10 +139,6 @@
 #define BYTES_PER_WORD          sizeof(void *)
 #define REDZONE_ALIGN           max(BYTES_PER_WORD, __alignof__(unsigned long long))
 
-#ifndef cache_line_size
-#define cache_line_size()       L1_CACHE_BYTES
-#endif
-
 #ifndef ARCH_KMALLOC_MINALIGN
 /*
  * Enforce a minimum alignment for the kmalloc caches.