diff --git a/drivers/staging/wlan-ng/hfa384x.h b/drivers/staging/wlan-ng/hfa384x.h
index 23d3d59..a36e0fa 100644
--- a/drivers/staging/wlan-ng/hfa384x.h
+++ b/drivers/staging/wlan-ng/hfa384x.h
@@ -2607,8 +2607,6 @@
 
 void hfa384x_destroy(hfa384x_t *hw);
 
-irqreturn_t
-hfa384x_interrupt(int irq, void *dev_id PT_REGS);
 int
 hfa384x_corereset( hfa384x_t *hw, int holdtime, int settletime, int genesis);
 int
diff --git a/drivers/staging/wlan-ng/hfa384x_usb.c b/drivers/staging/wlan-ng/hfa384x_usb.c
index ccb4f15..1fcf8d1 100644
--- a/drivers/staging/wlan-ng/hfa384x_usb.c
+++ b/drivers/staging/wlan-ng/hfa384x_usb.c
@@ -198,21 +198,12 @@
 
 /*---------------------------------------------------*/
 /* Callbacks */
-#ifdef URB_ONLY_CALLBACK
 static void
 hfa384x_usbout_callback(struct urb *urb);
 static void
 hfa384x_ctlxout_callback(struct urb *urb);
 static void
 hfa384x_usbin_callback(struct urb *urb);
-#else
-static void
-hfa384x_usbout_callback(struct urb *urb, struct pt_regs *regs);
-static void
-hfa384x_ctlxout_callback(struct urb *urb, struct pt_regs *regs);
-static void
-hfa384x_usbin_callback(struct urb *urb, struct pt_regs *regs);
-#endif
 
 static void
 hfa384x_usbin_txcompl(wlandevice_t *wlandev, hfa384x_usbin_t *usbin);
@@ -652,8 +643,8 @@
 	tasklet_init(&hw->completion_bh,
 	             hfa384x_usbctlx_completion_task,
 	             (unsigned long)hw);
-	INIT_WORK2(&hw->link_bh, prism2sta_processing_defer);
-	INIT_WORK2(&hw->usb_work, hfa384x_usb_defer);
+	INIT_WORK(&hw->link_bh, prism2sta_processing_defer);
+	INIT_WORK(&hw->usb_work, hfa384x_usb_defer);
 
 	init_timer(&hw->throttle);
 	hw->throttle.function = hfa384x_usb_throttlefn;
@@ -674,7 +665,7 @@
 	hw->link_status = HFA384x_LINK_NOTCONNECTED;
 	hw->state = HFA384x_STATE_INIT;
 
-        INIT_WORK2(&hw->commsqual_bh, prism2sta_commsqual_defer);
+        INIT_WORK(&hw->commsqual_bh, prism2sta_commsqual_defer);
 	init_timer(&hw->commsqual_timer);
 	hw->commsqual_timer.data = (unsigned long) hw;
 	hw->commsqual_timer.function = prism2sta_commsqual_timer;
@@ -3722,11 +3713,7 @@
 * Call context:
 *	interrupt
 ----------------------------------------------------------------*/
-#ifdef URB_ONLY_CALLBACK
 static void hfa384x_usbin_callback(struct urb *urb)
-#else
-static void hfa384x_usbin_callback(struct urb *urb, struct pt_regs *regs)
-#endif
 {
 	wlandevice_t		*wlandev = urb->context;
 	hfa384x_t		*hw;
@@ -4381,11 +4368,7 @@
 * Call context:
 *	interrupt
 ----------------------------------------------------------------*/
-#ifdef URB_ONLY_CALLBACK
 static void hfa384x_usbout_callback(struct urb *urb)
-#else
-static void hfa384x_usbout_callback(struct urb *urb, struct pt_regs *regs)
-#endif
 {
 	wlandevice_t		*wlandev = urb->context;
 	hfa384x_usbout_t	*usbout = urb->transfer_buffer;
@@ -4462,11 +4445,7 @@
 * Call context:
 * interrupt
 ----------------------------------------------------------------*/
-#ifdef URB_ONLY_CALLBACK
 static void hfa384x_ctlxout_callback(struct urb *urb)
-#else
-static void hfa384x_ctlxout_callback(struct urb *urb, struct pt_regs *regs)
-#endif
 {
 	hfa384x_t	*hw = urb->context;
 	int             delete_resptimer = 0;
diff --git a/drivers/staging/wlan-ng/prism2_usb.c b/drivers/staging/wlan-ng/prism2_usb.c
index f1ae371..8d4959f 100644
--- a/drivers/staging/wlan-ng/prism2_usb.c
+++ b/drivers/staging/wlan-ng/prism2_usb.c
@@ -132,9 +132,7 @@
 		}
 	}
 
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,15))
 	usb_get_dev(dev);
-#endif
 
 	wlandev->msdstate = WLAN_MSD_HWPRESENT;
 
@@ -254,9 +252,7 @@
 		unregister_wlandev(wlandev);
 		wlan_unsetup(wlandev);
 
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,15))
 		usb_put_dev(hw->usb);
-#endif
 
 		hfa384x_destroy(hw);
 		kfree(hw);
@@ -272,9 +268,6 @@
 
 
 static struct usb_driver prism2_usb_driver = {
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,16))
-	.owner = THIS_MODULE,
-#endif
 	.name = "prism2_usb",
 	.probe = prism2sta_probe_usb,
 	.disconnect = prism2sta_disconnect_usb,
diff --git a/drivers/staging/wlan-ng/wlan_compat.h b/drivers/staging/wlan-ng/wlan_compat.h
index 0f7289d..041b704 100644
--- a/drivers/staging/wlan-ng/wlan_compat.h
+++ b/drivers/staging/wlan-ng/wlan_compat.h
@@ -48,14 +48,6 @@
 #ifndef _WLAN_COMPAT_H
 #define _WLAN_COMPAT_H
 
-#if defined(__KERNEL__)
-
-#ifndef AUTOCONF_INCLUDED
-#include <linux/config.h>
-#endif
-
-#endif
-
 /*=============================================================*/
 /*------ Bit settings -----------------------------------------*/
 /*=============================================================*/
@@ -102,10 +94,6 @@
 /*------ OS Portability Macros --------------------------------*/
 /*=============================================================*/
 
-#ifndef KERNEL_VERSION
-#define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c))
-#endif
-
 #ifndef WLAN_DBVAR
 #define WLAN_DBVAR	wlan_debug
 #endif
@@ -144,97 +132,12 @@
 	#define WLAN_LOG_DEBUG(l, s, args...)
 #endif
 
-#ifdef CONFIG_SMP
-#define __SMP__			1
-#endif
-
-#if defined(__KERNEL__)
-
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,19))
-#define URB_ONLY_CALLBACK
-#endif
-
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19))
-#define PT_REGS    , struct pt_regs *regs
-#else
-#define PT_REGS
-#endif
-
-#define CONFIG_NETLINK		1
-
-#ifndef wait_event_interruptible_timeout
-// retval == 0; signal met; we're good.
-// retval < 0; interrupted by signal.
-// retval > 0; timed out.
-
-#define __wait_event_interruptible_timeout(wq, condition, ret)            \
-do {                                                                      \
-          wait_queue_t __wait;                                            \
-          init_waitqueue_entry(&__wait, current);                         \
-	                                                                  \
-          add_wait_queue(&wq, &__wait);                                   \
-          for (;;) {                                                      \
-                  set_current_state(TASK_intERRUPTIBLE);                  \
-                  if (condition)                                          \
-                          break;                                          \
-                  if (!signal_pending(current)) {                         \
-                          ret = schedule_timeout(ret)    ;                \
-                          if (!ret)                                       \
-                                 break;                                   \
-                          continue;                                       \
-                  }                                                       \
-                  ret = -ERESTARTSYS;                                     \
-                  break;                                                  \
-          }                                                               \
-          set_current_state(TASK_RUNNING);                                \
-          remove_wait_queue(&wq, &__wait);                                \
-} while (0)
-
-#define wait_event_interruptible_timeout(wq, condition, timeout)	  \
-({									  \
-	long __ret = timeout;						  \
-	if (!(condition))						  \
-		__wait_event_interruptible_timeout(wq, condition, __ret); \
-	__ret;								  \
-})
-
-#endif
-
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,20)
-#define INIT_WORK2(_wq, _routine)	INIT_WORK(_wq, (void (*)(void *))_routine, _wq)
-#else
-#define INIT_WORK2(_wq, _routine)	INIT_WORK(_wq, _routine)
-#endif
-
 #undef netdevice_t
 typedef struct net_device netdevice_t;
 
-/* TODO:  Do we care about this? */
-#ifndef MODULE_DEVICE_TABLE
-#define MODULE_DEVICE_TABLE(foo,bar)
-#endif
-
-#define wlan_minutes2ticks(a) ((a)*(wlan_ticks_per_sec *  60))
-#define wlan_seconds2ticks(a) ((a)*(wlan_ticks_per_sec))
-
-#ifndef in_atomic
-#define in_atomic()  0
-#endif
-
 #define URB_ASYNC_UNLINK 0
 #define USB_QUEUE_BULK 0
 
-#ifndef might_sleep
-#define might_sleep(a)   do { } while (0)
-#endif
-
-/* Apparently 2.4.2 ethtool is quite different, maybe newer too? */
-#if (defined(SIOETHTOOL) && !defined(ETHTOOL_GDRVINFO))
-#undef SIOETHTOOL
-#endif
-
-#endif /* __KERNEL__ */
-
 /*=============================================================*/
 /*------ Hardware Portability Macros --------------------------*/
 /*=============================================================*/