diff --git a/include/crm/common/xml_compat.h b/include/crm/common/xml_compat.h
index 8ab4a04866..5ca49d5e35 100644
--- a/include/crm/common/xml_compat.h
+++ b/include/crm/common/xml_compat.h
@@ -1,103 +1,96 @@
 /*
  * Copyright 2004-2024 the Pacemaker project contributors
  *
  * The version control history for this file may have further details.
  *
  * This source code is licensed under the GNU Lesser General Public License
  * version 2.1 or later (LGPLv2.1+) WITHOUT ANY WARRANTY.
  */
 
 #ifndef PCMK__CRM_COMMON_XML_COMPAT__H
 #define PCMK__CRM_COMMON_XML_COMPAT__H
 
 #include <glib.h>               // gboolean
 #include <libxml/tree.h>        // xmlNode
 
 #include <crm/common/nvpair.h>  // crm_xml_add()
 #include <crm/common/xml_names.h>   // PCMK_XE_CLONE
 
 #ifdef __cplusplus
 extern "C" {
 #endif
 
 /**
  * \file
  * \brief Deprecated Pacemaker XML API
  * \ingroup core
  * \deprecated Do not include this header directly. The XML APIs in this
  *             header, and the header itself, will be removed in a future
  *             release.
  */
 
 //! \deprecated Do not use (will be removed in a future release)
 #define XML_PARANOIA_CHECKS 0
 
 //! \deprecated This function will be removed in a future release
 xmlDoc *getDocPtr(xmlNode *node);
 
 //! \deprecated This function will be removed in a future release
 xmlNode *find_entity(xmlNode *parent, const char *node_name, const char *id);
 
 //! \deprecated This function will be removed in a future release
 char *xml_get_path(const xmlNode *xml);
 
 //! \deprecated This function will be removed in a future release
 void xml_log_changes(uint8_t level, const char *function, const xmlNode *xml);
 
 //! \deprecated This function will be removed in a future release
 void xml_log_patchset(uint8_t level, const char *function, const xmlNode *xml);
 
 //!  \deprecated Use xml_apply_patchset() instead
 gboolean apply_xml_diff(xmlNode *old_xml, xmlNode *diff, xmlNode **new_xml);
 
 //! \deprecated Do not use (will be removed in a future release)
 void crm_destroy_xml(gpointer data);
 
 //! \deprecated Check children member directly
 gboolean xml_has_children(const xmlNode *root);
 
-//! \deprecated Use crm_xml_add() with "true" or "false" instead
-static inline const char *
-crm_xml_add_boolean(xmlNode *node, const char *name, gboolean value)
-{
-    return crm_xml_add(node, name, (value? "true" : "false"));
-}
-
 // NOTE: sbd (as of at least 1.5.2) uses this
 //! \deprecated Use name member directly
 static inline const char *
 crm_element_name(const xmlNode *xml)
 {
     return (xml == NULL)? NULL : (const char *) xml->name;
 }
 
 // NOTE: sbd (as of at least 1.5.2) uses this
 //! \deprecated Do not use Pacemaker for general-purpose XML manipulation
 xmlNode *copy_xml(xmlNode *src_node);
 
 // NOTE: sbd (as of at least 1.5.2) uses this
 //! \deprecated Do not use
 gboolean cli_config_update(xmlNode **xml, int *best_version, gboolean to_logs);
 
 // NOTE: sbd (as of at least 1.5.2) uses this
 //! \deprecated Call \c crm_log_init() or \c crm_log_cli_init() instead
 void crm_xml_init(void);
 
 //! \deprecated Exit with \c crm_exit() instead
 void crm_xml_cleanup(void);
 
 //! \deprecated Do not use Pacemaker for general-purpose XML manipulation
 void pcmk_free_xml_subtree(xmlNode *xml);
 
 // NOTE: sbd (as of at least 1.5.2) uses this
 //! \deprecated Do not use Pacemaker for general-purpose XML manipulation
 void free_xml(xmlNode *child);
 
 //! \deprecated Do not use Pacemaker for general-purpose XML manipulation
 xmlNode *expand_idref(xmlNode *input, xmlNode *top);
 
 #ifdef __cplusplus
 }
 #endif
 
 #endif // PCMK__CRM_COMMON_XML_COMPAT__H