diff --git a/include/crm/msg_xml_compat.h b/include/crm/msg_xml_compat.h
index 35a6eb1a4a..777ac914f9 100644
--- a/include/crm/msg_xml_compat.h
+++ b/include/crm/msg_xml_compat.h
@@ -1,178 +1,175 @@
 /*
  * 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_MSG_XML_COMPAT__H
 #  define PCMK__CRM_MSG_XML_COMPAT__H
 
 #include <crm/common/agents.h>      // PCMK_STONITH_PROVIDES
 #include <crm/common/xml.h>
 
 #ifdef __cplusplus
 extern "C" {
 #endif
 
 /**
  * \file
  * \brief Deprecated Pacemaker XML constants API
  * \ingroup core
  * \deprecated Do not include this header directly. The XML constants in this
  *             header, and the header itself, will be removed in a future
  *             release.
  */
 
 //! \deprecated Use PCMK_META_CLONE_MAX instead
 #define XML_RSC_ATTR_INCARNATION_MAX PCMK_META_CLONE_MAX
 
 //! \deprecated Use PCMK_META_CLONE_MIN instead
 #define XML_RSC_ATTR_INCARNATION_MIN PCMK_META_CLONE_MIN
 
 //! \deprecated Use PCMK_META_CLONE_NODE_MAX instead
 #define XML_RSC_ATTR_INCARNATION_NODEMAX PCMK_META_CLONE_NODE_MAX
 
 //! \deprecated Use PCMK_META_PROMOTED_MAX instead
 #define XML_RSC_ATTR_PROMOTED_MAX PCMK_META_PROMOTED_MAX
 
 //! \deprecated Use PCMK_META_PROMOTED_NODE_MAX instead
 #define XML_RSC_ATTR_PROMOTED_NODEMAX PCMK_META_PROMOTED_NODE_MAX
 
 //! \deprecated Use PCMK_STONITH_PROVIDES instead
 #define XML_RSC_ATTR_PROVIDES PCMK_STONITH_PROVIDES
 
 //! \deprecated Do not use
 #define PCMK_XE_PROMOTABLE_LEGACY "master"
 
 //! \deprecated Do not use
 #define XML_CIB_TAG_MASTER PCMK_XE_PROMOTABLE_LEGACY
 
 //! \deprecated Do not use
 #define PCMK_XA_PROMOTED_MAX_LEGACY "master-max"
 
 //! \deprecated Do not use
 #define PCMK_XE_PROMOTED_MAX_LEGACY PCMK_XA_PROMOTED_MAX_LEGACY
 
 //! \deprecated Do not use
 #define XML_RSC_ATTR_MASTER_MAX PCMK_XA_PROMOTED_MAX_LEGACY
 
 //! \deprecated Do not use
 #define PCMK_XA_PROMOTED_NODE_MAX_LEGACY "master-node-max"
 
 //! \deprecated Do not use
 #define PCMK_XE_PROMOTED_NODE_MAX_LEGACY PCMK_XA_PROMOTED_NODE_MAX_LEGACY
 
 //! \deprecated Do not use
 #define XML_RSC_ATTR_MASTER_NODEMAX PCMK_XA_PROMOTED_NODE_MAX_LEGACY
 
 //! \deprecated Use PCMK_META_MIGRATION_THRESHOLD instead
 #define XML_RSC_ATTR_FAIL_STICKINESS PCMK_META_MIGRATION_THRESHOLD
 
 //! \deprecated Use PCMK_META_FAILURE_TIMEOUT instead
 #define XML_RSC_ATTR_FAIL_TIMEOUT PCMK_META_FAILURE_TIMEOUT
 
 //! \deprecated Do not use (will be removed in a future release)
 #define XML_ATTR_RA_VERSION "ra-version"
 
 //! \deprecated Do not use (will be removed in a future release)
 #define XML_TAG_FRAGMENT "cib_fragment"
 
 //! \deprecated Do not use (will be removed in a future release)
 #define XML_TAG_RSC_VER_ATTRS "rsc_versioned_attrs"
 
 //! \deprecated Do not use (will be removed in a future release)
 #define XML_TAG_OP_VER_ATTRS "op_versioned_attrs"
 
 //! \deprecated Do not use (will be removed in a future release)
 #define XML_TAG_OP_VER_META "op_versioned_meta"
 
 //! \deprecated Use \p PCMK_XA_ID instead
 #define XML_ATTR_UUID "id"
 
 //! \deprecated Do not use (will be removed in a future release)
 #define XML_ATTR_VERBOSE "verbose"
 
 //! \deprecated Do not use (will be removed in a future release)
 #define XML_CIB_TAG_DOMAINS "domains"
 
 //! \deprecated Do not use (will be removed in a future release)
 #define XML_CIB_ATTR_SOURCE "source"
 
 //! \deprecated Do not use
 #define XML_NODE_EXPECTED "expected"
 
 //! \deprecated Do not use
 #define XML_NODE_IN_CLUSTER "in_ccm"
 
 //! \deprecated Do not use
 #define XML_NODE_IS_PEER "crmd"
 
 //! \deprecated Do not use
 #define XML_NODE_JOIN_STATE "join"
 
 //! \deprecated Do not use (will be removed in a future release)
 #define XML_RSC_OP_LAST_RUN "last-run"
 
 //! \deprecated Use name member directly
 #define TYPE(x) (((x) == NULL)? NULL : (const char *) ((x)->name))
 
 //! \deprecated Use \c PCMK_OPT_CLUSTER_RECHECK_INTERVAL instead
 #define XML_CONFIG_ATTR_RECHECK PCMK_OPT_CLUSTER_RECHECK_INTERVAL
 
 //! \deprecated Use \c PCMK_OPT_DC_DEADTIME instead
 #define XML_CONFIG_ATTR_DC_DEADTIME PCMK_OPT_DC_DEADTIME
 
 //! \deprecated Use \c PCMK_OPT_ELECTION_TIMEOUT instead
 #define XML_CONFIG_ATTR_ELECTION_FAIL PCMK_OPT_ELECTION_TIMEOUT
 
 //! \deprecated Use \c PCMK_OPT_FENCE_REACTION instead
 #define XML_CONFIG_ATTR_FENCE_REACTION PCMK_OPT_FENCE_REACTION
 
 //! \deprecated Use \c PCMK_OPT_HAVE_WATCHDOG instead
 #define XML_ATTR_HAVE_WATCHDOG PCMK_OPT_HAVE_WATCHDOG
 
 //! \deprecated Use \c PCMK_OPT_NODE_PENDING_TIMEOUT instead
 #define XML_CONFIG_ATTR_NODE_PENDING_TIMEOUT PCMK_OPT_NODE_PENDING_TIMEOUT
 
 //! \deprecated Use \c PCMK_OPT_PRIORITY_FENCING_DELAY instead
 #define XML_CONFIG_ATTR_PRIORITY_FENCING_DELAY PCMK_OPT_PRIORITY_FENCING_DELAY
 
 //! \deprecated Use \c PCMK_OPT_SHUTDOWN_ESCALATION instead
 #define XML_CONFIG_ATTR_FORCE_QUIT PCMK_OPT_SHUTDOWN_ESCALATION
 
 //! \deprecated Use \c PCMK_OPT_SHUTDOWN_LOCK instead
 #define XML_CONFIG_ATTR_SHUTDOWN_LOCK PCMK_OPT_SHUTDOWN_LOCK
 
 //! \deprecated Use \c PCMK_OPT_SHUTDOWN_LOCK_LIMIT instead
 #define XML_CONFIG_ATTR_SHUTDOWN_LOCK_LIMIT PCMK_OPT_SHUTDOWN_LOCK_LIMIT
 
 //! \deprecated Use \c PCMK_XA_CRM_FEATURE_SET instead
 #define XML_ATTR_CRM_VERSION PCMK_XA_CRM_FEATURE_SET
 
 //! \deprecated Do not use
 #define XML_ATTR_DIGEST "digest"
 
 //! \deprecated Use \c PCMK_XA_VALIDATE_WITH instead
 #define XML_ATTR_VALIDATION PCMK_XA_VALIDATE_WITH
 
 //! \deprecated Use \c PCMK_XA_NO_QUORUM_PANIC instead
 #define XML_ATTR_QUORUM_PANIC PCMK_XA_NO_QUORUM_PANIC
 
 //! \deprecated Use \c PCMK_XA_HAVE_QUORUM instead
 #define XML_ATTR_HAVE_QUORUM PCMK_XA_HAVE_QUORUM
 
-//! \deprecated Use \c PCMK_XA_EPOCH instead
-#define XML_ATTR_GENERATION PCMK_XA_EPOCH
-
 // NOTE: sbd (as of at least 1.5.2) uses this
 //! \deprecated Use \c PCMK_XE_CIB instead
 #define XML_TAG_CIB PCMK_XE_CIB
 
 #ifdef __cplusplus
 }
 #endif
 
 #endif // PCMK__CRM_MSG_XML_COMPAT__H