diff --git a/fs/btrfs/compression.c b/fs/btrfs/compression.c
index d3e447b45bf793abd7ca555af7e9e6ad40b2da2d..f48794a360689d97568754ed2d44a535b8ea925e 100644
--- a/fs/btrfs/compression.c
+++ b/fs/btrfs/compression.c
@@ -5,7 +5,6 @@
 
 #include <linux/kernel.h>
 #include <linux/bio.h>
-#include <linux/buffer_head.h>
 #include <linux/file.h>
 #include <linux/fs.h>
 #include <linux/pagemap.h>
@@ -14,10 +13,7 @@
 #include <linux/init.h>
 #include <linux/string.h>
 #include <linux/backing-dev.h>
-#include <linux/mpage.h>
-#include <linux/swap.h>
 #include <linux/writeback.h>
-#include <linux/bit_spinlock.h>
 #include <linux/slab.h>
 #include <linux/sched/mm.h>
 #include <linux/log2.h>
diff --git a/fs/btrfs/dev-replace.c b/fs/btrfs/dev-replace.c
index 1b30c38d05c963894135c465ed5f4c83ef8e9769..059ca3d5ddd3b40aa8d409fe589ac31c308b482a 100644
--- a/fs/btrfs/dev-replace.c
+++ b/fs/btrfs/dev-replace.c
@@ -6,14 +6,9 @@
 #include <linux/sched.h>
 #include <linux/bio.h>
 #include <linux/slab.h>
-#include <linux/buffer_head.h>
 #include <linux/blkdev.h>
-#include <linux/random.h>
-#include <linux/iocontext.h>
-#include <linux/capability.h>
 #include <linux/kthread.h>
 #include <linux/math64.h>
-#include <asm/div64.h>
 #include "ctree.h"
 #include "extent_map.h"
 #include "disk-io.h"
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index e0baf2f3154d0ca106d5d5016a4341dfd2a6aa48..6023eed3e80505724dbb008afdee7f87d96a6690 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -5,8 +5,6 @@
 
 #include <linux/fs.h>
 #include <linux/blkdev.h>
-#include <linux/scatterlist.h>
-#include <linux/swap.h>
 #include <linux/radix-tree.h>
 #include <linux/writeback.h>
 #include <linux/buffer_head.h>
diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c
index da53e45705ba24b04683958fccc7a9d4d6574091..2be00e873e92a3183e142eebf010de3514475252 100644
--- a/fs/btrfs/file.c
+++ b/fs/btrfs/file.c
@@ -5,14 +5,11 @@
 
 #include <linux/fs.h>
 #include <linux/pagemap.h>
-#include <linux/highmem.h>
 #include <linux/time.h>
 #include <linux/init.h>
 #include <linux/string.h>
 #include <linux/backing-dev.h>
-#include <linux/mpage.h>
 #include <linux/falloc.h>
-#include <linux/swap.h>
 #include <linux/writeback.h>
 #include <linux/compat.h>
 #include <linux/slab.h>
diff --git a/fs/btrfs/inode-map.c b/fs/btrfs/inode-map.c
index a56f88ea9c735d182fe499521cabf57c89c8056b..ffca2abf13d0cb241e0c0a0e12ba44c91d924ddc 100644
--- a/fs/btrfs/inode-map.c
+++ b/fs/btrfs/inode-map.c
@@ -3,7 +3,6 @@
  * Copyright (C) 2007 Oracle.  All rights reserved.
  */
 
-#include <linux/delay.h>
 #include <linux/kthread.h>
 #include <linux/pagemap.h>
 
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 32613dca13c133596afdc6a059f370c59f53f801..ada8a698af100fa48da2e1f471b55dab54a61aa1 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -14,17 +14,13 @@
 #include <linux/init.h>
 #include <linux/string.h>
 #include <linux/backing-dev.h>
-#include <linux/mpage.h>
-#include <linux/swap.h>
 #include <linux/writeback.h>
 #include <linux/compat.h>
-#include <linux/bit_spinlock.h>
 #include <linux/xattr.h>
 #include <linux/posix_acl.h>
 #include <linux/falloc.h>
 #include <linux/slab.h>
 #include <linux/ratelimit.h>
-#include <linux/mount.h>
 #include <linux/btrfs.h>
 #include <linux/blkdev.h>
 #include <linux/posix_acl_xattr.h>
diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index 08b8c0b346b35d84f565c0a18c20eec890f685d7..802918507cc09a054667c64762d439a655630ea3 100644
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -5,23 +5,18 @@
 
 #include <linux/kernel.h>
 #include <linux/bio.h>
-#include <linux/buffer_head.h>
 #include <linux/file.h>
 #include <linux/fs.h>
 #include <linux/fsnotify.h>
 #include <linux/pagemap.h>
 #include <linux/highmem.h>
 #include <linux/time.h>
-#include <linux/init.h>
 #include <linux/string.h>
 #include <linux/backing-dev.h>
 #include <linux/mount.h>
-#include <linux/mpage.h>
 #include <linux/namei.h>
-#include <linux/swap.h>
 #include <linux/writeback.h>
 #include <linux/compat.h>
-#include <linux/bit_spinlock.h>
 #include <linux/security.h>
 #include <linux/xattr.h>
 #include <linux/mm.h>
diff --git a/fs/btrfs/ordered-data.c b/fs/btrfs/ordered-data.c
index e173b252d79526f5fdef4b642895103da1a047dc..0c4ef208b8b91cc54c934d25960b41522c438e54 100644
--- a/fs/btrfs/ordered-data.c
+++ b/fs/btrfs/ordered-data.c
@@ -6,7 +6,6 @@
 #include <linux/slab.h>
 #include <linux/blkdev.h>
 #include <linux/writeback.h>
-#include <linux/pagevec.h>
 #include "ctree.h"
 #include "transaction.h"
 #include "btrfs_inode.h"
diff --git a/fs/btrfs/raid56.c b/fs/btrfs/raid56.c
index 27ed47a23f26289183c82db6240320cb6cca1bf1..42631079c492e41ed858fdaab08e6337e330c919 100644
--- a/fs/btrfs/raid56.c
+++ b/fs/btrfs/raid56.c
@@ -5,32 +5,19 @@
  */
 
 #include <linux/sched.h>
-#include <linux/wait.h>
 #include <linux/bio.h>
 #include <linux/slab.h>
-#include <linux/buffer_head.h>
 #include <linux/blkdev.h>
-#include <linux/random.h>
-#include <linux/iocontext.h>
-#include <linux/capability.h>
-#include <linux/ratelimit.h>
-#include <linux/kthread.h>
 #include <linux/raid/pq.h>
 #include <linux/hash.h>
 #include <linux/list_sort.h>
 #include <linux/raid/xor.h>
 #include <linux/mm.h>
-#include <asm/div64.h>
 #include "ctree.h"
-#include "extent_map.h"
 #include "disk-io.h"
-#include "transaction.h"
-#include "print-tree.h"
 #include "volumes.h"
 #include "raid56.h"
 #include "async-thread.h"
-#include "check-integrity.h"
-#include "rcu-string.h"
 
 /* set when additional merges to this rbio are not allowed */
 #define RBIO_RMW_LOCKED_BIT	1
diff --git a/fs/btrfs/reada.c b/fs/btrfs/reada.c
index 4be425f70c2dd1c2d2934683c5d8cf07d6dbcf4c..dec14b739b1016223259255d568d17017d79cc69 100644
--- a/fs/btrfs/reada.c
+++ b/fs/btrfs/reada.c
@@ -7,7 +7,6 @@
 #include <linux/pagemap.h>
 #include <linux/writeback.h>
 #include <linux/blkdev.h>
-#include <linux/rbtree.h>
 #include <linux/slab.h>
 #include <linux/workqueue.h>
 #include "ctree.h"
diff --git a/fs/btrfs/struct-funcs.c b/fs/btrfs/struct-funcs.c
index b7b4acb1283396e21354521a01d554d6a76e0f60..4c13b737f568db9c2917ba4b610edd188e0528cb 100644
--- a/fs/btrfs/struct-funcs.c
+++ b/fs/btrfs/struct-funcs.c
@@ -3,7 +3,6 @@
  * Copyright (C) 2007 Oracle.  All rights reserved.
  */
 
-#include <linux/highmem.h>
 #include <asm/unaligned.h>
 
 #include "ctree.h"
diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c
index 3c5f221b5303a9477e3dd00bea5156ab5986e090..e04bcf0b0ed4d283821176c78f3745df0735a5f8 100644
--- a/fs/btrfs/super.c
+++ b/fs/btrfs/super.c
@@ -5,7 +5,6 @@
 
 #include <linux/blkdev.h>
 #include <linux/module.h>
-#include <linux/buffer_head.h>
 #include <linux/fs.h>
 #include <linux/pagemap.h>
 #include <linux/highmem.h>
@@ -15,8 +14,6 @@
 #include <linux/string.h>
 #include <linux/backing-dev.h>
 #include <linux/mount.h>
-#include <linux/mpage.h>
-#include <linux/swap.h>
 #include <linux/writeback.h>
 #include <linux/statfs.h>
 #include <linux/compat.h>
diff --git a/fs/btrfs/sysfs.c b/fs/btrfs/sysfs.c
index 4a4e960c7c665f56a9f418b2806d5a2904e0eb42..3717c864ba2316ccc9e9ef319c7a0008afa59039 100644
--- a/fs/btrfs/sysfs.c
+++ b/fs/btrfs/sysfs.c
@@ -7,10 +7,8 @@
 #include <linux/slab.h>
 #include <linux/spinlock.h>
 #include <linux/completion.h>
-#include <linux/buffer_head.h>
 #include <linux/kobject.h>
 #include <linux/bug.h>
-#include <linux/genhd.h>
 #include <linux/debugfs.h>
 
 #include "ctree.h"
diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index 1ffc49c9c02fe16c3d7ad78899009043e9300bb8..211fb21614874681d9e5711e61793b797f7e6884 100644
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -8,15 +8,12 @@
 #include <linux/slab.h>
 #include <linux/buffer_head.h>
 #include <linux/blkdev.h>
-#include <linux/iocontext.h>
-#include <linux/capability.h>
 #include <linux/ratelimit.h>
 #include <linux/kthread.h>
 #include <linux/raid/pq.h>
 #include <linux/semaphore.h>
 #include <linux/uuid.h>
 #include <linux/list_sort.h>
-#include <asm/div64.h>
 #include "ctree.h"
 #include "extent_map.h"
 #include "disk-io.h"