diff --git a/include/linux/slob_def.h b/include/linux/slob_def.h
index bb5368df4be8..0ec00b39d006 100644
--- a/include/linux/slob_def.h
+++ b/include/linux/slob_def.h
@@ -34,9 +34,4 @@ static __always_inline void *__kmalloc(size_t size, gfp_t flags)
 	return kmalloc(size, flags);
 }
 
-static inline void kmem_cache_init_late(void)
-{
-	/* Nothing to do */
-}
-
 #endif /* __LINUX_SLOB_DEF_H */
diff --git a/include/linux/slub_def.h b/include/linux/slub_def.h
index c1c862b1d01a..76c831693616 100644
--- a/include/linux/slub_def.h
+++ b/include/linux/slub_def.h
@@ -304,6 +304,4 @@ static __always_inline void *kmalloc_node(size_t size, gfp_t flags, int node)
 }
 #endif
 
-void __init kmem_cache_init_late(void);
-
 #endif /* _LINUX_SLUB_DEF_H */
diff --git a/mm/slob.c b/mm/slob.c
index 9641da3d5e58..837ebd64cc34 100644
--- a/mm/slob.c
+++ b/mm/slob.c
@@ -692,3 +692,8 @@ void __init kmem_cache_init(void)
 {
 	slob_ready = 1;
 }
+
+void __init kmem_cache_init_late(void)
+{
+	/* Nothing to do */
+}