diff --git a/include/linux/slab.h b/include/linux/slab.h
index 66c4640d36562da39938de7d3c9e491eff5582ce..6b7d096f056b6110ceac19d25c07f7d062809335 100644
--- a/include/linux/slab.h
+++ b/include/linux/slab.h
@@ -315,7 +315,6 @@ extern kmem_cache_t	*files_cachep;
 extern kmem_cache_t	*filp_cachep;
 extern kmem_cache_t	*fs_cachep;
 extern kmem_cache_t	*sighand_cachep;
-extern kmem_cache_t	*bio_cachep;
 
 #endif	/* __KERNEL__ */