diff --git a/include/crm/pengine/pe_types_compat.h b/include/crm/pengine/pe_types_compat.h
index 2094e0fcb9..a52c3de50f 100644
--- a/include/crm/pengine/pe_types_compat.h
+++ b/include/crm/pengine/pe_types_compat.h
@@ -1,86 +1,83 @@
 /*
  * 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_PENGINE_PE_TYPES_COMPAT__H
 #  define PCMK__CRM_PENGINE_PE_TYPES_COMPAT__H
 
 #include <crm/common/scheduler.h>
 
 #ifdef __cplusplus
 extern "C" {
 #endif
 
 /**
  * \file
  * \brief Deprecated Pacemaker scheduler API
  * \ingroup pengine
  * \deprecated Do not include this header directly. The scheduler APIs in this
  *             header, and the header itself, will be removed in a future
  *             release.
  */
 
 //! \deprecated Do not use
 #define pe_rsc_orphan                   pcmk_rsc_removed
 
 // NOTE: sbd (as of at least 1.5.2) uses this
 //! \deprecated Do not use
 #define pe_rsc_managed                  pcmk_rsc_managed
 
 //! \deprecated Do not use
 #define pe_rsc_block                    pcmk_rsc_blocked
 
 //! \deprecated Do not use
 #define pe_rsc_orphan_container_filler  pcmk_rsc_removed_filler
 
 //! \deprecated Do not use
 #define pe_rsc_notify                   pcmk_rsc_notify
 
 //! \deprecated Do not use
 #define pe_rsc_unique                   pcmk_rsc_unique
 
 //! \deprecated Do not use
 #define pe_rsc_fence_device             pcmk_rsc_fence_device
 
 //! \deprecated Do not use
 #define pe_rsc_promotable               pcmk_rsc_promotable
 
 //! \deprecated Do not use
 #define pe_rsc_provisional              pcmk_rsc_unassigned
 
 //! \deprecated Do not use
 #define pe_rsc_allocating               pcmk_rsc_assigning
 
-//! \deprecated Do not use
-#define pe_rsc_merging                  pcmk_rsc_updating_nodes
-
 // NOTE: sbd (as of at least 1.5.2) uses this
 //! \deprecated Do not use
 #define pe_flag_have_quorum             pcmk_sched_quorate
 
 // NOTE: sbd (as of at least 1.5.2) uses this
 //! \deprecated Do not use
 #define pe_flag_have_stonith_resource   pcmk_sched_have_fencing
 
 // NOTE: sbd (as of at least 1.5.2) uses this
 //! \deprecated Use pcmk_node_t instead
 typedef struct pe_node_s node_t;
 
 // NOTE: sbd (as of at least 1.5.2) uses this
 //! \deprecated use pcmk_resource_t instead
 typedef struct pe_resource_s resource_t;
 
 // NOTE: sbd (as of at least 1.5.2) uses this
 //! \deprecated Use pcmk_scheduler_t instead
 typedef struct pe_working_set_s pe_working_set_t;
 
 #ifdef __cplusplus
 }
 #endif
 
 #endif // PCMK__CRM_PENGINE_PE_TYPES_COMPAT__H