diff --git a/drivers/hwtracing/coresight/coresight-core.c b/drivers/hwtracing/coresight/coresight-core.c
index 88653d1c06a4..af00dca8d1ac 100644
--- a/drivers/hwtracing/coresight/coresight-core.c
+++ b/drivers/hwtracing/coresight/coresight-core.c
@@ -1278,9 +1278,6 @@ static struct attribute *coresight_source_attrs[] = {
 ATTRIBUTE_GROUPS(coresight_source);
 
 static struct device_type coresight_dev_type[] = {
-	{
-		.name = "none",
-	},
 	{
 		.name = "sink",
 		.groups = coresight_sink_groups,
diff --git a/include/linux/coresight.h b/include/linux/coresight.h
index 93a2922b7653..9f445f09fcfe 100644
--- a/include/linux/coresight.h
+++ b/include/linux/coresight.h
@@ -36,7 +36,6 @@
 extern struct bus_type coresight_bustype;
 
 enum coresight_dev_type {
-	CORESIGHT_DEV_TYPE_NONE,
 	CORESIGHT_DEV_TYPE_SINK,
 	CORESIGHT_DEV_TYPE_LINK,
 	CORESIGHT_DEV_TYPE_LINKSINK,
@@ -46,7 +45,6 @@ enum coresight_dev_type {
 };
 
 enum coresight_dev_subtype_sink {
-	CORESIGHT_DEV_SUBTYPE_SINK_NONE,
 	CORESIGHT_DEV_SUBTYPE_SINK_PORT,
 	CORESIGHT_DEV_SUBTYPE_SINK_BUFFER,
 	CORESIGHT_DEV_SUBTYPE_SINK_SYSMEM,
@@ -54,21 +52,18 @@ enum coresight_dev_subtype_sink {
 };
 
 enum coresight_dev_subtype_link {
-	CORESIGHT_DEV_SUBTYPE_LINK_NONE,
 	CORESIGHT_DEV_SUBTYPE_LINK_MERG,
 	CORESIGHT_DEV_SUBTYPE_LINK_SPLIT,
 	CORESIGHT_DEV_SUBTYPE_LINK_FIFO,
 };
 
 enum coresight_dev_subtype_source {
-	CORESIGHT_DEV_SUBTYPE_SOURCE_NONE,
 	CORESIGHT_DEV_SUBTYPE_SOURCE_PROC,
 	CORESIGHT_DEV_SUBTYPE_SOURCE_BUS,
 	CORESIGHT_DEV_SUBTYPE_SOURCE_SOFTWARE,
 };
 
 enum coresight_dev_subtype_helper {
-	CORESIGHT_DEV_SUBTYPE_HELPER_NONE,
 	CORESIGHT_DEV_SUBTYPE_HELPER_CATU,
 };