diff --git a/sound/pci/hda/patch_analog.c b/sound/pci/hda/patch_analog.c
index 6feaec4cd6b9..162bc2f38450 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 db7635cd8255..30b3a4bc06ee 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 b9dfbd85d550..72ebb8a36b13 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 087cabbcf25c..9c6ce73b03c5 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 79ff34df887a..6eb9551e9723 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 fe3e08243d76..fd29f4918879 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"