diff --git a/drivers/staging/greybus/greybus_protocols.h b/drivers/staging/greybus/greybus_protocols.h
index b407a262391a..639578309c2a 100644
--- a/drivers/staging/greybus/greybus_protocols.h
+++ b/drivers/staging/greybus/greybus_protocols.h
@@ -998,7 +998,6 @@ struct gb_spi_transfer_response {
 #define GB_SVC_TYPE_TIMESYNC_AUTHORITATIVE	0x0f
 #define GB_SVC_TYPE_INTF_SET_PWRM		0x10
 #define GB_SVC_TYPE_INTF_EJECT			0x11
-#define GB_SVC_TYPE_KEY_EVENT			0x12
 #define GB_SVC_TYPE_PING			0x13
 #define GB_SVC_TYPE_PWRMON_RAIL_COUNT_GET	0x14
 #define GB_SVC_TYPE_PWRMON_RAIL_NAMES_GET	0x15