diff --git a/storage/innobase/include/que0que.h b/storage/innobase/include/que0que.h
index e77857f40c3..bf2776d432d 100644
--- a/storage/innobase/include/que0que.h
+++ b/storage/innobase/include/que0que.h
@@ -247,20 +247,6 @@ ibool
 que_thr_peek_stop(
 /*==============*/
 	que_thr_t*	thr);	/*!< in: query thread */
-/***********************************************************************//**
-Returns TRUE if the query graph is for a SELECT statement.
-@return TRUE if a select */
-UNIV_INLINE
-ibool
-que_graph_is_select(
-/*================*/
-	que_t*		graph);		/*!< in: graph */
-/**********************************************************************//**
-Prints info of an SQL query graph node. */
-void
-que_node_print_info(
-/*================*/
-	que_node_t*	node);	/*!< in: query graph node */
 /*********************************************************************//**
 Evaluate the given SQL
 @return error code or DB_SUCCESS */
@@ -407,25 +393,17 @@ inline void que_thr_t::set_active(bool active) { graph->set_active(active); };
 #endif
 
 /* Query fork (or graph) types */
-#define QUE_FORK_SELECT_NON_SCROLL	1	/* forward-only cursor */
-#define QUE_FORK_SELECT_SCROLL		2	/* scrollable cursor */
-#define QUE_FORK_INSERT			3
-#define QUE_FORK_UPDATE			4
 #define QUE_FORK_ROLLBACK		5
 			/* This is really the undo graph used in rollback,
 			no signal-sending roll_node in this graph */
 #define QUE_FORK_PURGE			6
-#define	QUE_FORK_EXECUTE		7
 #define QUE_FORK_PROCEDURE		8
-#define QUE_FORK_PROCEDURE_CALL		9
 #define QUE_FORK_MYSQL_INTERFACE	10
 #define	QUE_FORK_RECOVERY		11
 
 /* Query fork (or graph) states */
 #define QUE_FORK_ACTIVE		1
 #define QUE_FORK_COMMAND_WAIT	2
-#define QUE_FORK_INVALID	3
-#define QUE_FORK_BEING_FREED	4
 
 /* Flag which is ORed to control structure statement node types */
 #define QUE_NODE_CONTROL_STAT	1024
diff --git a/storage/innobase/include/que0que.ic b/storage/innobase/include/que0que.ic
index 1c3ac242bf2..084b9d5bf0e 100644
--- a/storage/innobase/include/que0que.ic
+++ b/storage/innobase/include/que0que.ic
@@ -1,7 +1,7 @@
 /*****************************************************************************
 
 Copyright (c) 1996, 2013, Oracle and/or its affiliates. All Rights Reserved.
-Copyright (c) 2020, MariaDB Corporation.
+Copyright (c) 2020, 2021, MariaDB Corporation.
 
 This program is free software; you can redistribute it and/or modify it under
 the terms of the GNU General Public License as published by the Free Software
@@ -272,22 +272,3 @@ que_thr_peek_stop(
 
 	return(FALSE);
 }
-
-/***********************************************************************//**
-Returns TRUE if the query graph is for a SELECT statement.
-@return TRUE if a select */
-UNIV_INLINE
-ibool
-que_graph_is_select(
-/*================*/
-	que_t*		graph)		/*!< in: graph */
-{
-	if (graph->fork_type == QUE_FORK_SELECT_SCROLL
-	    || graph->fork_type == QUE_FORK_SELECT_NON_SCROLL) {
-
-		return(TRUE);
-	}
-
-	return(FALSE);
-}
-