diff --git a/storage/innobase/include/buf0flu.h b/storage/innobase/include/buf0flu.h
index 676a412f64e..ef01d31524b 100644
--- a/storage/innobase/include/buf0flu.h
+++ b/storage/innobase/include/buf0flu.h
@@ -143,17 +143,6 @@ buf_flush_wait_batch_end(
 	buf_pool_t*	buf_pool,	/*!< in: buffer pool instance */
 	buf_flush_t	type);		/*!< in: BUF_FLUSH_LRU
 					or BUF_FLUSH_LIST */
-/******************************************************************//**
-Waits until a flush batch of the given type ends. This is called by
-a thread that only wants to wait for a flush to end but doesn't do
-any flushing itself. */
-UNIV_INTERN
-void
-buf_flush_wait_batch_end_wait_only(
-/*===============================*/
-	buf_pool_t*	buf_pool,	/*!< in: buffer pool instance */
-	buf_flush_t	type);		/*!< in: BUF_FLUSH_LRU
-					or BUF_FLUSH_LIST */
 /********************************************************************//**
 This function should be called at a mini-transaction commit, if a page was
 modified in it. Puts the block to the list of modified blocks, if it not
diff --git a/storage/xtradb/include/buf0flu.h b/storage/xtradb/include/buf0flu.h
index f682d537c5e..47bb2697d75 100644
--- a/storage/xtradb/include/buf0flu.h
+++ b/storage/xtradb/include/buf0flu.h
@@ -142,17 +142,6 @@ buf_flush_wait_batch_end(
 	buf_pool_t*	buf_pool,	/*!< in: buffer pool instance */
 	buf_flush_t	type);		/*!< in: BUF_FLUSH_LRU
 					or BUF_FLUSH_LIST */
-/******************************************************************//**
-Waits until a flush batch of the given type ends. This is called by
-a thread that only wants to wait for a flush to end but doesn't do
-any flushing itself. */
-UNIV_INTERN
-void
-buf_flush_wait_batch_end_wait_only(
-/*===============================*/
-	buf_pool_t*	buf_pool,	/*!< in: buffer pool instance */
-	buf_flush_t	type);		/*!< in: BUF_FLUSH_LRU
-					or BUF_FLUSH_LIST */
 /********************************************************************//**
 This function should be called at a mini-transaction commit, if a page was
 modified in it. Puts the block to the list of modified blocks, if it not