diff --git a/fs/nilfs2/btree.h b/fs/nilfs2/btree.h
index af638d59e3bf5ef07064e57173dcc2f82328724f..43c8c5b541fd84c09d0af119b8f555a247d04522 100644
--- a/fs/nilfs2/btree.h
+++ b/fs/nilfs2/btree.h
@@ -75,8 +75,6 @@ struct nilfs_btree_path {
 
 extern struct kmem_cache *nilfs_btree_path_cache;
 
-int nilfs_btree_path_cache_init(void);
-void nilfs_btree_path_cache_destroy(void);
 int nilfs_btree_init(struct nilfs_bmap *);
 int nilfs_btree_convert_and_insert(struct nilfs_bmap *, __u64, __u64,
 				   const __u64 *, const __u64 *, int);
diff --git a/fs/nilfs2/segbuf.h b/fs/nilfs2/segbuf.h
index fdf1c3b6d6739c6cc76bd451ee8230b573800acf..85fbb66455e2ed43d4004724e24c4930bf4af48f 100644
--- a/fs/nilfs2/segbuf.h
+++ b/fs/nilfs2/segbuf.h
@@ -127,8 +127,6 @@ struct nilfs_segment_buffer {
 
 extern struct kmem_cache *nilfs_segbuf_cachep;
 
-int __init nilfs_init_segbuf_cache(void);
-void nilfs_destroy_segbuf_cache(void);
 struct nilfs_segment_buffer *nilfs_segbuf_new(struct super_block *);
 void nilfs_segbuf_free(struct nilfs_segment_buffer *);
 void nilfs_segbuf_map(struct nilfs_segment_buffer *, __u64, unsigned long,
diff --git a/fs/nilfs2/segment.h b/fs/nilfs2/segment.h
index dca142361ccfcac8f038453ec689ee61a97012fa..01e20dbb217d9a746a1324b474251e0a8c0100cf 100644
--- a/fs/nilfs2/segment.h
+++ b/fs/nilfs2/segment.h
@@ -221,8 +221,6 @@ enum {
 extern struct kmem_cache *nilfs_transaction_cachep;
 
 /* segment.c */
-extern int nilfs_init_transaction_cache(void);
-extern void nilfs_destroy_transaction_cache(void);
 extern void nilfs_relax_pressure_in_lock(struct super_block *);
 
 extern int nilfs_construct_segment(struct super_block *);
diff --git a/fs/nilfs2/super.c b/fs/nilfs2/super.c
index 03b34b738993fb39c006c1b3248e4f36488e4558..414ef68931cf48dc0443892cae12bcab91262660 100644
--- a/fs/nilfs2/super.c
+++ b/fs/nilfs2/super.c
@@ -1130,13 +1130,13 @@ static void nilfs_segbuf_init_once(void *obj)
 
 static void nilfs_destroy_cachep(void)
 {
-	 if (nilfs_inode_cachep)
+	if (nilfs_inode_cachep)
 		kmem_cache_destroy(nilfs_inode_cachep);
-	 if (nilfs_transaction_cachep)
+	if (nilfs_transaction_cachep)
 		kmem_cache_destroy(nilfs_transaction_cachep);
-	 if (nilfs_segbuf_cachep)
+	if (nilfs_segbuf_cachep)
 		kmem_cache_destroy(nilfs_segbuf_cachep);
-	 if (nilfs_btree_path_cache)
+	if (nilfs_btree_path_cache)
 		kmem_cache_destroy(nilfs_btree_path_cache);
 }