Index: head/sys/dev/hyperv/vmbus/hv_ring_buffer.c
===================================================================
--- head/sys/dev/hyperv/vmbus/hv_ring_buffer.c
+++ head/sys/dev/hyperv/vmbus/hv_ring_buffer.c
@@ -261,16 +261,6 @@
 			uint32_t			dest_len,
 			uint32_t			start_read_offset);
 
-
-/**
- * @brief Get the interrupt mask for the specified ring buffer.
- */
-uint32_t
-hv_vmbus_get_ring_buffer_interrupt_mask(hv_vmbus_ring_buffer_info *rbi) 
-{
-	return rbi->ring_buffer->interrupt_mask;
-}
-
 /**
  * @brief Initialize the ring buffer.
  */
Index: head/sys/dev/hyperv/vmbus/hv_vmbus_priv.h
===================================================================
--- head/sys/dev/hyperv/vmbus/hv_vmbus_priv.h
+++ head/sys/dev/hyperv/vmbus/hv_vmbus_priv.h
@@ -110,13 +110,6 @@
 				uint32_t			buffer_len,
 				uint32_t			offset);
 
-uint32_t		hv_vmbus_get_ring_buffer_interrupt_mask(
-				hv_vmbus_ring_buffer_info	*ring_info);
-
-void			hv_vmbus_dump_ring_info(
-				hv_vmbus_ring_buffer_info	*ring_info,
-				char				*prefix);
-
 void			hv_ring_buffer_read_begin(
 				hv_vmbus_ring_buffer_info	*ring_info);