diff --git a/drivers/staging/comedi/drivers/addi-data/addi_common.c b/drivers/staging/comedi/drivers/addi-data/addi_common.c
index a5aa673335efdf775122816831fcf887a62bed66..a3d4ed25fb0d60a426df68269a2ea12a1de23de4 100644
--- a/drivers/staging/comedi/drivers/addi-data/addi_common.c
+++ b/drivers/staging/comedi/drivers/addi-data/addi_common.c
@@ -613,7 +613,6 @@ static const struct addi_board boardtypes[] = {
 		.i_IorangeBase0		= 128,
 		.i_PCIEeprom		= ADDIDATA_NO_EEPROM,
 		.i_NbrTTLChannel	= 48,
-		.pr_TTLRangelist	= &range_apci16xx_ttl,
 		.reset			= i_APCI16XX_Reset,
 		.ttl_config		= i_APCI16XX_InsnConfigInitTTLIO,
 		.ttl_bits		= i_APCI16XX_InsnBitsReadTTLIO,
@@ -626,7 +625,6 @@ static const struct addi_board boardtypes[] = {
 		.i_IorangeBase0		= 128,
 		.i_PCIEeprom		= ADDIDATA_NO_EEPROM,
 		.i_NbrTTLChannel	= 96,
-		.pr_TTLRangelist	= &range_apci16xx_ttl,
 		.reset			= i_APCI16XX_Reset,
 		.ttl_config		= i_APCI16XX_InsnConfigInitTTLIO,
 		.ttl_bits		= i_APCI16XX_InsnBitsReadTTLIO,
@@ -651,7 +649,6 @@ static const struct addi_board boardtypes[] = {
 		.i_AiMaxdata		= 4095,
 		.pr_AiRangelist		= &range_apci3XXX_ai,
 		.i_NbrTTLChannel	= 24,
-		.pr_TTLRangelist	= &range_apci3XXX_ttl,
 		.b_AvailableConvertUnit	= 6,
 		.ui_MinAcquisitiontimeNs = 10000,
 		.interrupt		= v_APCI3XXX_Interrupt,
@@ -678,7 +675,6 @@ static const struct addi_board boardtypes[] = {
 		.i_AiMaxdata		= 4095,
 		.pr_AiRangelist		= &range_apci3XXX_ai,
 		.i_NbrTTLChannel	= 24,
-		.pr_TTLRangelist	= &range_apci3XXX_ttl,
 		.b_AvailableConvertUnit	= 6,
 		.ui_MinAcquisitiontimeNs = 10000,
 		.interrupt		= v_APCI3XXX_Interrupt,
@@ -705,7 +701,6 @@ static const struct addi_board boardtypes[] = {
 		.i_AiMaxdata		= 4095,
 		.pr_AiRangelist		= &range_apci3XXX_ai,
 		.i_NbrTTLChannel	= 24,
-		.pr_TTLRangelist	= &range_apci3XXX_ttl,
 		.b_AvailableConvertUnit	= 6,
 		.ui_MinAcquisitiontimeNs = 10000,
 		.interrupt		= v_APCI3XXX_Interrupt,
@@ -732,7 +727,6 @@ static const struct addi_board boardtypes[] = {
 		.i_AiMaxdata		= 65535,
 		.pr_AiRangelist		= &range_apci3XXX_ai,
 		.i_NbrTTLChannel	= 24,
-		.pr_TTLRangelist	= &range_apci3XXX_ttl,
 		.b_AvailableConvertUnit	= 6,
 		.ui_MinAcquisitiontimeNs = 10000,
 		.interrupt		= v_APCI3XXX_Interrupt,
@@ -759,7 +753,6 @@ static const struct addi_board boardtypes[] = {
 		.i_AiMaxdata		= 65535,
 		.pr_AiRangelist		= &range_apci3XXX_ai,
 		.i_NbrTTLChannel	= 24,
-		.pr_TTLRangelist	= &range_apci3XXX_ttl,
 		.b_AvailableConvertUnit	= 6,
 		.ui_MinAcquisitiontimeNs = 10000,
 		.interrupt		= v_APCI3XXX_Interrupt,
@@ -786,7 +779,6 @@ static const struct addi_board boardtypes[] = {
 		.i_AiMaxdata		= 65535,
 		.pr_AiRangelist		= &range_apci3XXX_ai,
 		.i_NbrTTLChannel	= 24,
-		.pr_TTLRangelist	= &range_apci3XXX_ttl,
 		.b_AvailableConvertUnit	= 6,
 		.ui_MinAcquisitiontimeNs = 10000,
 		.interrupt		= v_APCI3XXX_Interrupt,
@@ -816,7 +808,6 @@ static const struct addi_board boardtypes[] = {
 		.i_NbrDoChannel		= 4,
 		.i_DoMaxdata		= 1,
 		.i_NbrTTLChannel	= 24,
-		.pr_TTLRangelist	= &range_apci3XXX_ttl,
 		.b_AvailableConvertUnit	= 6,
 		.ui_MinAcquisitiontimeNs = 5000,
 		.interrupt		= v_APCI3XXX_Interrupt,
@@ -851,7 +842,6 @@ static const struct addi_board boardtypes[] = {
 		.i_NbrDoChannel		= 4,
 		.i_DoMaxdata		= 1,
 		.i_NbrTTLChannel	= 24,
-		.pr_TTLRangelist	= &range_apci3XXX_ttl,
 		.b_AvailableConvertUnit	= 6,
 		.ui_MinAcquisitiontimeNs = 5000,
 		.interrupt		= v_APCI3XXX_Interrupt,
@@ -886,7 +876,6 @@ static const struct addi_board boardtypes[] = {
 		.i_NbrDoChannel		= 4,
 		.i_DoMaxdata		= 1,
 		.i_NbrTTLChannel	= 24,
-		.pr_TTLRangelist	= &range_apci3XXX_ttl,
 		.b_AvailableConvertUnit	= 6,
 		.ui_MinAcquisitiontimeNs = 5000,
 		.interrupt		= v_APCI3XXX_Interrupt,
@@ -921,7 +910,6 @@ static const struct addi_board boardtypes[] = {
 		.i_NbrDoChannel		= 4,
 		.i_DoMaxdata		= 1,
 		.i_NbrTTLChannel	= 24,
-		.pr_TTLRangelist	= &range_apci3XXX_ttl,
 		.b_AvailableConvertUnit	= 6,
 		.ui_MinAcquisitiontimeNs = 5000,
 		.interrupt		= v_APCI3XXX_Interrupt,
@@ -956,7 +944,6 @@ static const struct addi_board boardtypes[] = {
 		.i_NbrDoChannel		= 4,
 		.i_DoMaxdata		= 1,
 		.i_NbrTTLChannel	= 24,
-		.pr_TTLRangelist	= &range_apci3XXX_ttl,
 		.b_AvailableConvertUnit	= 6,
 		.ui_MinAcquisitiontimeNs = 5000,
 		.interrupt		= v_APCI3XXX_Interrupt,
@@ -991,7 +978,6 @@ static const struct addi_board boardtypes[] = {
 		.i_NbrDoChannel		= 4,
 		.i_DoMaxdata		= 1,
 		.i_NbrTTLChannel	= 24,
-		.pr_TTLRangelist	= &range_apci3XXX_ttl,
 		.b_AvailableConvertUnit	= 6,
 		.ui_MinAcquisitiontimeNs = 5000,
 		.interrupt		= v_APCI3XXX_Interrupt,
@@ -1026,7 +1012,6 @@ static const struct addi_board boardtypes[] = {
 		.pr_AiRangelist		= &range_apci3XXX_ai,
 		.pr_AoRangelist		= &range_apci3XXX_ao,
 		.i_NbrTTLChannel	= 24,
-		.pr_TTLRangelist	= &range_apci3XXX_ttl,
 		.b_AvailableConvertUnit	= 6,
 		.ui_MinAcquisitiontimeNs = 10000,
 		.interrupt		= v_APCI3XXX_Interrupt,
@@ -1057,7 +1042,6 @@ static const struct addi_board boardtypes[] = {
 		.pr_AiRangelist		= &range_apci3XXX_ai,
 		.pr_AoRangelist		= &range_apci3XXX_ao,
 		.i_NbrTTLChannel	= 24,
-		.pr_TTLRangelist	= &range_apci3XXX_ttl,
 		.b_AvailableConvertUnit	= 6,
 		.ui_MinAcquisitiontimeNs = 10000,
 		.interrupt		= v_APCI3XXX_Interrupt,
@@ -1088,7 +1072,6 @@ static const struct addi_board boardtypes[] = {
 		.pr_AiRangelist		= &range_apci3XXX_ai,
 		.pr_AoRangelist		= &range_apci3XXX_ao,
 		.i_NbrTTLChannel	= 24,
-		.pr_TTLRangelist	= &range_apci3XXX_ttl,
 		.b_AvailableConvertUnit	= 6,
 		.ui_MinAcquisitiontimeNs = 10000,
 		.interrupt		= v_APCI3XXX_Interrupt,
@@ -1119,7 +1102,6 @@ static const struct addi_board boardtypes[] = {
 		.pr_AiRangelist		= &range_apci3XXX_ai,
 		.pr_AoRangelist		= &range_apci3XXX_ao,
 		.i_NbrTTLChannel	= 24,
-		.pr_TTLRangelist	= &range_apci3XXX_ttl,
 		.b_AvailableConvertUnit	= 6,
 		.ui_MinAcquisitiontimeNs = 10000,
 		.interrupt		= v_APCI3XXX_Interrupt,
@@ -1153,7 +1135,6 @@ static const struct addi_board boardtypes[] = {
 		.i_NbrDoChannel		= 4,
 		.i_DoMaxdata		= 1,
 		.i_NbrTTLChannel	= 24,
-		.pr_TTLRangelist	= &range_apci3XXX_ttl,
 		.b_AvailableConvertUnit	= 6,
 		.ui_MinAcquisitiontimeNs = 5000,
 		.interrupt		= v_APCI3XXX_Interrupt,
@@ -1192,7 +1173,6 @@ static const struct addi_board boardtypes[] = {
 		.i_NbrDoChannel		= 4,
 		.i_DoMaxdata		= 1,
 		.i_NbrTTLChannel	= 24,
-		.pr_TTLRangelist	= &range_apci3XXX_ttl,
 		.b_AvailableConvertUnit	= 6,
 		.ui_MinAcquisitiontimeNs = 5000,
 		.interrupt		= v_APCI3XXX_Interrupt,
@@ -1231,7 +1211,6 @@ static const struct addi_board boardtypes[] = {
 		.i_NbrDoChannel		= 4,
 		.i_DoMaxdata		= 1,
 		.i_NbrTTLChannel	= 24,
-		.pr_TTLRangelist	= &range_apci3XXX_ttl,
 		.b_AvailableConvertUnit	= 6,
 		.ui_MinAcquisitiontimeNs = 5000,
 		.interrupt		= v_APCI3XXX_Interrupt,
@@ -1270,7 +1249,6 @@ static const struct addi_board boardtypes[] = {
 		.i_NbrDoChannel		= 4,
 		.i_DoMaxdata		= 1,
 		.i_NbrTTLChannel	= 24,
-		.pr_TTLRangelist	= &range_apci3XXX_ttl,
 		.b_AvailableConvertUnit	= 6,
 		.ui_MinAcquisitiontimeNs = 5000,
 		.interrupt		= v_APCI3XXX_Interrupt,
@@ -1413,7 +1391,6 @@ static const struct addi_board boardtypes[] = {
 		.i_AoMaxdata		= 4095,
 		.pr_AoRangelist		= &range_apci3XXX_ao,
 		.i_NbrTTLChannel	= 24,
-		.pr_TTLRangelist	= &range_apci3XXX_ttl,
 		.interrupt		= v_APCI3XXX_Interrupt,
 		.reset			= i_APCI3XXX_Reset,
 		.ao_write		= i_APCI3XXX_InsnWriteAnalogOutput,
diff --git a/drivers/staging/comedi/drivers/addi-data/addi_common.h b/drivers/staging/comedi/drivers/addi-data/addi_common.h
index 2c3f34703dd2ea5e7904397221270513f3fe5899..b7bbb7164f5880be7940b97ef5bd7b622ea82739 100644
--- a/drivers/staging/comedi/drivers/addi-data/addi_common.h
+++ b/drivers/staging/comedi/drivers/addi-data/addi_common.h
@@ -85,7 +85,6 @@ struct addi_board {
 	int i_DoMaxdata;	/*  data to set all channels high */
 
 	int i_NbrTTLChannel;	/*  Number of TTL channels */
-	const struct comedi_lrange *pr_TTLRangelist;	/* rangelist for TTL */
 
 	int i_Dma;		/*  dma present or not */
 	int i_Timer;		/*    timer subdevice present or not */
diff --git a/drivers/staging/comedi/drivers/addi-data/hwdrv_apci16xx.h b/drivers/staging/comedi/drivers/addi-data/hwdrv_apci16xx.h
index 5bf91e13a0354b017a8d824304b736bf95f26d64..a12df4bc88acc265a0421de1c9515cc1d93cf12e 100644
--- a/drivers/staging/comedi/drivers/addi-data/hwdrv_apci16xx.h
+++ b/drivers/staging/comedi/drivers/addi-data/hwdrv_apci16xx.h
@@ -41,21 +41,6 @@
 
 #ifdef __KERNEL__
 
-static const struct comedi_lrange range_apci16xx_ttl = { 12,
-	{BIP_RANGE(1),
-	 BIP_RANGE(1),
-	 BIP_RANGE(1),
-	 BIP_RANGE(1),
-	 BIP_RANGE(1),
-	 BIP_RANGE(1),
-	 BIP_RANGE(1),
-	 BIP_RANGE(1),
-	 BIP_RANGE(1),
-	 BIP_RANGE(1),
-	 BIP_RANGE(1),
-	 BIP_RANGE(1)}
-};
-
 /*
 +----------------------------------------------------------------------------+
 |                       TTL INISIALISATION FUNCTION                          |
diff --git a/drivers/staging/comedi/drivers/addi-data/hwdrv_apci3xxx.h b/drivers/staging/comedi/drivers/addi-data/hwdrv_apci3xxx.h
index cce9e12e820f49a4b881b3fa76b612beaa14556d..e10b7e5103353c49283d8cc24fbbca3d83919f94 100644
--- a/drivers/staging/comedi/drivers/addi-data/hwdrv_apci3xxx.h
+++ b/drivers/staging/comedi/drivers/addi-data/hwdrv_apci3xxx.h
@@ -42,20 +42,6 @@ static const struct comedi_lrange range_apci3XXX_ai = { 8, {BIP_RANGE(10),
 						     UNI_RANGE(1)}
 };
 
-static const struct comedi_lrange range_apci3XXX_ttl = { 12, {BIP_RANGE(1),
-						       BIP_RANGE(1),
-						       BIP_RANGE(1),
-						       BIP_RANGE(1),
-						       BIP_RANGE(1),
-						       BIP_RANGE(1),
-						       BIP_RANGE(1),
-						       BIP_RANGE(1),
-						       BIP_RANGE(1),
-						       BIP_RANGE(1),
-						       BIP_RANGE(1),
-						       BIP_RANGE(1)}
-};
-
 static const struct comedi_lrange range_apci3XXX_ao = { 2, {BIP_RANGE(10),
 						     UNI_RANGE(10)}
 };