diff --git a/drivers/staging/comedi/drivers/addi-data/hwdrv_apci1500.c b/drivers/staging/comedi/drivers/addi-data/hwdrv_apci1500.c
index a8887689e1fc..35281fb7a74f 100644
--- a/drivers/staging/comedi/drivers/addi-data/hwdrv_apci1500.c
+++ b/drivers/staging/comedi/drivers/addi-data/hwdrv_apci1500.c
@@ -21,9 +21,6 @@
  *
  */
 
-/* Card Specific information */
-#define APCI1500_ADDRESS_RANGE		4
-
 /* DIGITAL INPUT-OUTPUT DEFINE */
 
 #define APCI1500_AND			2