diff --git a/src/device.c b/src/device.c
index 2fbcc30..2f3e1af 100644
--- a/src/device.c
+++ b/src/device.c
@@ -124,7 +124,7 @@ dc_device_open (dc_device_t **out, dc_context_t *context, dc_descriptor_t *descr
 		rc = suunto_d9_device_open (&device, context, name, dc_descriptor_get_model (descriptor));
 		break;
 	case DC_FAMILY_SUUNTO_EONSTEEL:
-		rc = suunto_eonsteel_device_open (&device, context, name, dc_descriptor_get_model (descriptor));
+		rc = suunto_eonsteel_device_open (&device, context);
 		break;
 	case DC_FAMILY_UWATEC_ALADIN:
 		rc = uwatec_aladin_device_open (&device, context, name);
@@ -166,7 +166,7 @@ dc_device_open (dc_device_t **out, dc_context_t *context, dc_descriptor_t *descr
 		rc = mares_darwin_device_open (&device, context, name, dc_descriptor_get_model (descriptor));
 		break;
 	case DC_FAMILY_MARES_ICONHD:
-		rc = mares_iconhd_device_open (&device, context, name, dc_descriptor_get_model (descriptor));
+		rc = mares_iconhd_device_open (&device, context, name);
 		break;
 	case DC_FAMILY_HW_OSTC:
 		rc = hw_ostc_device_open (&device, context, name);
diff --git a/src/mares_iconhd.c b/src/mares_iconhd.c
index c78acf7..9a2179c 100644
--- a/src/mares_iconhd.c
+++ b/src/mares_iconhd.c
@@ -209,7 +209,7 @@ mares_iconhd_transfer (mares_iconhd_device_t *device,
 
 
 dc_status_t
-mares_iconhd_device_open (dc_device_t **out, dc_context_t *context, const char *name, unsigned int model)
+mares_iconhd_device_open (dc_device_t **out, dc_context_t *context, const char *name)
 {
 	dc_status_t status = DC_STATUS_SUCCESS;
 	mares_iconhd_device_t *device = NULL;
diff --git a/src/mares_iconhd.h b/src/mares_iconhd.h
index bd4b193..b762843 100644
--- a/src/mares_iconhd.h
+++ b/src/mares_iconhd.h
@@ -31,7 +31,7 @@ extern "C" {
 #endif /* __cplusplus */
 
 dc_status_t
-mares_iconhd_device_open (dc_device_t **device, dc_context_t *context, const char *name, unsigned int model);
+mares_iconhd_device_open (dc_device_t **device, dc_context_t *context, const char *name);
 
 dc_status_t
 mares_iconhd_parser_create (dc_parser_t **parser, dc_context_t *context, unsigned int model);
diff --git a/src/suunto_eonsteel.c b/src/suunto_eonsteel.c
index 58197ac..615f5c7 100644
--- a/src/suunto_eonsteel.c
+++ b/src/suunto_eonsteel.c
@@ -547,7 +547,7 @@ static int initialize_eonsteel(suunto_eonsteel_device_t *eon)
 }
 
 dc_status_t
-suunto_eonsteel_device_open(dc_device_t **out, dc_context_t *context, const char *name, unsigned int model)
+suunto_eonsteel_device_open(dc_device_t **out, dc_context_t *context)
 {
 	dc_status_t status = DC_STATUS_SUCCESS;
 	suunto_eonsteel_device_t *eon = NULL;
diff --git a/src/suunto_eonsteel.h b/src/suunto_eonsteel.h
index 4d34478..98763c9 100644
--- a/src/suunto_eonsteel.h
+++ b/src/suunto_eonsteel.h
@@ -31,7 +31,7 @@ extern "C" {
 #endif /* __cplusplus */
 
 dc_status_t
-suunto_eonsteel_device_open(dc_device_t **device, dc_context_t *context, const char *name, unsigned int model);
+suunto_eonsteel_device_open(dc_device_t **device, dc_context_t *context);
 
 dc_status_t
 suunto_eonsteel_parser_create(dc_parser_t **parser, dc_context_t *context, unsigned int model);