diff --git a/sound/pci/hda/patch_analog.c b/sound/pci/hda/patch_analog.c
index 6feaec4cd6b93f837a97bd6f90ee8dc9ec9ca04b..162bc2f38450ca1338539f56e1c886614cdae42e 100644
--- a/sound/pci/hda/patch_analog.c
+++ b/sound/pci/hda/patch_analog.c
@@ -20,7 +20,6 @@
  */
 
 #include <linux/init.h>
-#include <linux/delay.h>
 #include <linux/slab.h>
 #include <linux/pci.h>
 #include <linux/module.h>
diff --git a/sound/pci/hda/patch_ca0110.c b/sound/pci/hda/patch_ca0110.c
index db7635cd8255a46744fcc9f0a7c8591317088fcd..30b3a4bc06eef1739c64d85e8e3d67c2a6154c38 100644
--- a/sound/pci/hda/patch_ca0110.c
+++ b/sound/pci/hda/patch_ca0110.c
@@ -19,7 +19,6 @@
  */
 
 #include <linux/init.h>
-#include <linux/delay.h>
 #include <linux/slab.h>
 #include <linux/pci.h>
 #include <linux/module.h>
diff --git a/sound/pci/hda/patch_cirrus.c b/sound/pci/hda/patch_cirrus.c
index b9dfbd85d550c7f33b0d6c5d1be05814f0351cc4..72ebb8a36b135938593db795d255b27479a5231f 100644
--- a/sound/pci/hda/patch_cirrus.c
+++ b/sound/pci/hda/patch_cirrus.c
@@ -19,7 +19,6 @@
  */
 
 #include <linux/init.h>
-#include <linux/delay.h>
 #include <linux/slab.h>
 #include <linux/pci.h>
 #include <linux/module.h>
diff --git a/sound/pci/hda/patch_cmedia.c b/sound/pci/hda/patch_cmedia.c
index 087cabbcf25c56b06a4b71fa7b84b2626a1a8201..9c6ce73b03c5585994ee4099106a70dbe7cca51c 100644
--- a/sound/pci/hda/patch_cmedia.c
+++ b/sound/pci/hda/patch_cmedia.c
@@ -22,7 +22,6 @@
  */
 
 #include <linux/init.h>
-#include <linux/delay.h>
 #include <linux/slab.h>
 #include <linux/pci.h>
 #include <linux/module.h>
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index 79ff34df887ad722292b8191506b503272310528..6eb9551e97236e1eaebf237ebb31df152d609e98 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -29,7 +29,6 @@
 #include <linux/pci.h>
 #include <linux/dmi.h>
 #include <linux/module.h>
-#include <linux/sort.h>
 #include <sound/core.h>
 #include <sound/jack.h>
 #include "hda_codec.h"
diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c
index fe3e08243d76cf747df818460ce5c99b7ae549ac..fd29f4918879db64fa4d0425e886c99b16346d58 100644
--- a/sound/pci/hda/patch_sigmatel.c
+++ b/sound/pci/hda/patch_sigmatel.c
@@ -31,7 +31,6 @@
 #include <linux/dmi.h>
 #include <linux/module.h>
 #include <sound/core.h>
-#include <sound/asoundef.h>
 #include <sound/jack.h>
 #include <sound/tlv.h>
 #include "hda_codec.h"