diff --git a/drivers/scsi/dpt/dpti_i2o.h b/drivers/scsi/dpt/dpti_i2o.h
index d84a281ad944a518987c28cebefddd9d11da7bdb..b3fa7ed71faf2ffdebef04f0bc3ff46a33340651 100644
--- a/drivers/scsi/dpt/dpti_i2o.h
+++ b/drivers/scsi/dpt/dpti_i2o.h
@@ -47,21 +47,11 @@
  *	I2O Interface Objects
  */
 
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,4,0)
-
-#define DECLARE_MUTEX(name) struct semaphore name=MUTEX
-
-typedef struct wait_queue *adpt_wait_queue_head_t;
-#define ADPT_DECLARE_WAIT_QUEUE_HEAD(wait) adpt_wait_queue_head_t wait = NULL
-typedef struct wait_queue adpt_wait_queue_t;
-#else
-
 #include <linux/wait.h>
 typedef wait_queue_head_t adpt_wait_queue_head_t;
 #define ADPT_DECLARE_WAIT_QUEUE_HEAD(wait) DECLARE_WAIT_QUEUE_HEAD(wait)
 typedef wait_queue_t adpt_wait_queue_t;
 
-#endif
 /*
  * message structures
  */