diff --git a/drivers/isdn/gigaset/bas-gigaset.c b/drivers/isdn/gigaset/bas-gigaset.c
index 0be15c70c16d65d28a3882f44ca84b1be33d3b48..47a5ffec55a393173de8fd01ef8019b2d7115bdd 100644
--- a/drivers/isdn/gigaset/bas-gigaset.c
+++ b/drivers/isdn/gigaset/bas-gigaset.c
@@ -14,11 +14,6 @@
  */
 
 #include "gigaset.h"
-
-#include <linux/errno.h>
-#include <linux/init.h>
-#include <linux/slab.h>
-#include <linux/timer.h>
 #include <linux/usb.h>
 #include <linux/module.h>
 #include <linux/moduleparam.h>
diff --git a/drivers/isdn/gigaset/capi.c b/drivers/isdn/gigaset/capi.c
index eb7e27105a828756bb6dbf4c5917b32fa977f908..964a55fb148608b57f99b30db5b2c859654e7cf6 100644
--- a/drivers/isdn/gigaset/capi.c
+++ b/drivers/isdn/gigaset/capi.c
@@ -12,8 +12,6 @@
  */
 
 #include "gigaset.h"
-#include <linux/slab.h>
-#include <linux/ctype.h>
 #include <linux/proc_fs.h>
 #include <linux/seq_file.h>
 #include <linux/isdn/capilli.h>
diff --git a/drivers/isdn/gigaset/common.c b/drivers/isdn/gigaset/common.c
index 0b39b387c1253ca0e88160b561f86e82f4842779..f6f45f2219209781aa6955153d494060f7f941ff 100644
--- a/drivers/isdn/gigaset/common.c
+++ b/drivers/isdn/gigaset/common.c
@@ -14,10 +14,8 @@
  */
 
 #include "gigaset.h"
-#include <linux/ctype.h>
 #include <linux/module.h>
 #include <linux/moduleparam.h>
-#include <linux/slab.h>
 
 /* Version Information */
 #define DRIVER_AUTHOR "Hansjoerg Lipp <hjlipp@web.de>, Tilman Schmidt <tilman@imap.cc>, Stefan Eilers"
diff --git a/drivers/isdn/gigaset/gigaset.h b/drivers/isdn/gigaset/gigaset.h
index 9ef5b0463fd5076d25708e67e61edebaeb5ac59d..d32efb6510429c0174ff3855b0886c2e50d91360 100644
--- a/drivers/isdn/gigaset/gigaset.h
+++ b/drivers/isdn/gigaset/gigaset.h
@@ -22,9 +22,9 @@
 #include <linux/kernel.h>
 #include <linux/compiler.h>
 #include <linux/types.h>
+#include <linux/ctype.h>
 #include <linux/slab.h>
 #include <linux/spinlock.h>
-#include <linux/usb.h>
 #include <linux/skbuff.h>
 #include <linux/netdevice.h>
 #include <linux/ppp_defs.h>
diff --git a/drivers/isdn/gigaset/i4l.c b/drivers/isdn/gigaset/i4l.c
index c99fb9790a13bfa2a73af8b347282fc7da9832c0..c22e5ace8276a99fe39188eb13941e56f6b07cb4 100644
--- a/drivers/isdn/gigaset/i4l.c
+++ b/drivers/isdn/gigaset/i4l.c
@@ -15,7 +15,6 @@
 
 #include "gigaset.h"
 #include <linux/isdnif.h>
-#include <linux/slab.h>
 
 #define HW_HDR_LEN	2	/* Header size used to store ack info */
 
diff --git a/drivers/isdn/gigaset/interface.c b/drivers/isdn/gigaset/interface.c
index f0dc6c9cc283634c358a4604bb78141bcb71cf57..c9f28dd40d5c463d1d12821e47965655da123097 100644
--- a/drivers/isdn/gigaset/interface.c
+++ b/drivers/isdn/gigaset/interface.c
@@ -13,7 +13,6 @@
 
 #include "gigaset.h"
 #include <linux/gigaset_dev.h>
-#include <linux/tty.h>
 #include <linux/tty_flip.h>
 
 /*** our ioctls ***/
diff --git a/drivers/isdn/gigaset/proc.c b/drivers/isdn/gigaset/proc.c
index b69f73a0668f9d22567c6d23dabe3178295a04cc..b943efbff44de05cff2efae9f017607c94123244 100644
--- a/drivers/isdn/gigaset/proc.c
+++ b/drivers/isdn/gigaset/proc.c
@@ -14,7 +14,6 @@
  */
 
 #include "gigaset.h"
-#include <linux/ctype.h>
 
 static ssize_t show_cidmode(struct device *dev,
 			    struct device_attribute *attr, char *buf)
diff --git a/drivers/isdn/gigaset/ser-gigaset.c b/drivers/isdn/gigaset/ser-gigaset.c
index 8b0afd203a0730852cfd7e8c65f60f632503e13a..e96c0586886c14b5b626427f6199144d84ae4123 100644
--- a/drivers/isdn/gigaset/ser-gigaset.c
+++ b/drivers/isdn/gigaset/ser-gigaset.c
@@ -11,13 +11,10 @@
  */
 
 #include "gigaset.h"
-
 #include <linux/module.h>
 #include <linux/moduleparam.h>
 #include <linux/platform_device.h>
-#include <linux/tty.h>
 #include <linux/completion.h>
-#include <linux/slab.h>
 
 /* Version Information */
 #define DRIVER_AUTHOR "Tilman Schmidt"
diff --git a/drivers/isdn/gigaset/usb-gigaset.c b/drivers/isdn/gigaset/usb-gigaset.c
index 9430a2bbb523b138fac9dceb95dc369d47b892f9..76dbb20f3065aeb23f710b99c401286c91050bfa 100644
--- a/drivers/isdn/gigaset/usb-gigaset.c
+++ b/drivers/isdn/gigaset/usb-gigaset.c
@@ -16,10 +16,6 @@
  */
 
 #include "gigaset.h"
-
-#include <linux/errno.h>
-#include <linux/init.h>
-#include <linux/slab.h>
 #include <linux/usb.h>
 #include <linux/module.h>
 #include <linux/moduleparam.h>