diff --git a/include/crm_config.h.in b/include/crm_config.h.in
index 4c6276c00c..dfbf5afc10 100644
--- a/include/crm_config.h.in
+++ b/include/crm_config.h.in
@@ -1,78 +1,74 @@
 /*
  * Copyright 2006-2024 the Pacemaker project contributors
  *
  * The version control history for this file may have further details.
  *
  * This source code is licensed under the GNU General Public License version 2
  * or later (GPLv2+) WITHOUT ANY WARRANTY.
  */
 
 #ifndef PCMK__CRM_CONFIG__H
 #define PCMK__CRM_CONFIG__H
 
 /****** Versions ******/
 
 /* Current pacemaker version */
 #undef PACEMAKER_VERSION
 
 /* Build version */
 #undef BUILD_VERSION
 
 /****** Other ******/
 
 /* Group to run Pacemaker daemons as */
 #undef CRM_DAEMON_GROUP
 
 /* User to run Pacemaker daemons as */
 #undef CRM_DAEMON_USER
 
 /****** Directories ******/
 
 /* Where Pacemaker can store log files */
 #undef CRM_LOG_DIR
 
 /* Location for Pacemaker daemons */
 #undef CRM_DAEMON_DIR
 
 /* Where to keep blackbox dumps */
 #undef CRM_BLACKBOX_DIR
 
 /* Where to keep configuration files */
 #undef CRM_CONFIG_DIR
 
 /* Where to keep scheduler outputs */
 #undef PCMK_SCHEDULER_INPUT_DIR
 
 // NOTE: sbd (as of at least 1.5.2) uses this
 /* Location to store core files produced by Pacemaker daemons */
 #undef CRM_CORE_DIR
 
 /* Where to keep state files and sockets */
 #undef CRM_STATE_DIR
 
 /* Location for the Pacemaker Relax-NG Schema */
 #undef PCMK_SCHEMA_DIR
 
 /* Where to keep configuration files like authkey */
 #undef PACEMAKER_CONFIG_DIR
 
 /* Where OCF resource agents and libraries can be found */
 #undef PCMK_OCF_ROOT
 
 /****** Features ******/
 
 /* Set of enabled features */
 #undef CRM_FEATURES
 
 // NOTE: sbd (as of at least 1.5.2) uses this
 /* Support the Corosync messaging and membership layer */
 #undef SUPPORT_COROSYNC
 
 /* Support systemd based system services */
 #undef SUPPORT_SYSTEMD
 
-/* Support upstart based system services */
-//! \deprecated Do not use (always treat as 0)
-#undef SUPPORT_UPSTART
-
 #endif /* CRM_CONFIG__H */