diff --git a/arch/m68k/mm/kmap_no.c b/arch/m68k/mm/kmap_no.c
index ece8d5ad4e6cefc24bf095092dd2034f61436fd9..38b2abe9d9a5a0c7ca9bd7166f4fc33fe1b5bb47 100644
--- a/arch/m68k/mm/kmap_no.c
+++ b/arch/m68k/mm/kmap_no.c
@@ -35,11 +35,3 @@ void iounmap(void *addr)
 {
 }
 
-/*
- * Set new cache mode for some kernel address space.
- * The caller must push data for that range itself, if such data may already
- * be in the cache.
- */
-void kernel_set_cachemode(void *addr, unsigned long size, int cmode)
-{
-}