diff --git a/include/crm/common/Makefile.am b/include/crm/common/Makefile.am
index 4d2055f5d7..96fffb8267 100644
--- a/include/crm/common/Makefile.am
+++ b/include/crm/common/Makefile.am
@@ -1,52 +1,51 @@
 #
 # 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 General Public License version 2
 # or later (GPLv2+) WITHOUT ANY WARRANTY.
 #
 
 MAINTAINERCLEANFILES = Makefile.in
 
 headerdir=$(pkgincludedir)/crm/common
 
 header_HEADERS = acl.h 			\
 		 actions.h		\
 		 agents.h 		\
-		 agents_compat.h 	\
 		 cib.h 			\
 		 ipc.h 			\
 		 ipc_controld.h 	\
 		 ipc_pacemakerd.h 	\
 		 ipc_schedulerd.h 	\
 		 iso8601.h 		\
 		 logging.h 		\
 		 logging_compat.h 	\
 		 mainloop.h 		\
 		 mainloop_compat.h 	\
 		 nodes.h 		\
 		 nvpair.h 		\
 		 options.h 		\
 		 output.h 		\
 		 resources.h		\
 		 results.h 		\
 		 results_compat.h 	\
 		 roles.h		\
 		 rules.h		\
 		 scheduler.h		\
 		 scheduler_types.h	\
 		 schemas.h		\
 		 scores.h		\
 		 scores_compat.h	\
 		 tags.h			\
 		 tickets.h		\
 		 util.h 		\
 		 util_compat.h 		\
 		 xml.h 			\
 		 xml_compat.h		\
 		 xml_io.h		\
 		 xml_io_compat.h	\
 		 xml_names.h
 
 noinst_HEADERS = $(wildcard *internal.h)
diff --git a/include/crm/common/agents.h b/include/crm/common/agents.h
index 7d7733f681..5a3588ac74 100644
--- a/include/crm/common/agents.h
+++ b/include/crm/common/agents.h
@@ -1,83 +1,79 @@
 /*
  * Copyright 2017-2024 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_AGENTS__H
 #define PCMK__CRM_COMMON_AGENTS__H
 
 #ifdef __cplusplus
 extern "C" {
 #endif
 
 /**
  * \file
  * \brief API related to resource agents
  * \ingroup core
  */
 
 #include <stdint.h>       // uint32_t
 #include <stdbool.h>
 
 // Known resource classes
 #define PCMK_RESOURCE_CLASS_OCF     "ocf"
 #define PCMK_RESOURCE_CLASS_SERVICE "service"
 #define PCMK_RESOURCE_CLASS_LSB     "lsb"
 #define PCMK_RESOURCE_CLASS_SYSTEMD "systemd"
 #define PCMK_RESOURCE_CLASS_STONITH "stonith"
 #define PCMK_RESOURCE_CLASS_ALERT   "alert"
 //! \deprecated Do not use
 #define PCMK_RESOURCE_CLASS_NAGIOS  "nagios"
 //! \deprecated Do not use
 #define PCMK_RESOURCE_CLASS_UPSTART "upstart"
 
 /* Special stonith-class agent parameters interpreted directly by Pacemaker
  * (not including the pcmk_ACTION_{action,retries,timeout} parameters)
  */
 #define PCMK_STONITH_ACTION_LIMIT       "pcmk_action_limit"
 #define PCMK_STONITH_DELAY_BASE         "pcmk_delay_base"
 #define PCMK_STONITH_DELAY_MAX          "pcmk_delay_max"
 #define PCMK_STONITH_HOST_ARGUMENT      "pcmk_host_argument"
 #define PCMK_STONITH_HOST_CHECK         "pcmk_host_check"
 #define PCMK_STONITH_HOST_LIST          "pcmk_host_list"
 #define PCMK_STONITH_HOST_MAP           "pcmk_host_map"
 #define PCMK_STONITH_PROVIDES           "provides"
 #define PCMK_STONITH_STONITH_TIMEOUT    "stonith-timeout"
 
 // OCF Resource Agent API standard version that this Pacemaker supports
 #define PCMK_OCF_MAJOR_VERSION "1"
 #define PCMK_OCF_MINOR_VERSION "1"
 #define PCMK_OCF_VERSION       PCMK_OCF_MAJOR_VERSION "." PCMK_OCF_MINOR_VERSION
 
 // Capabilities supported by a resource agent standard
 enum pcmk_ra_caps {
     pcmk_ra_cap_none         = 0,
     pcmk_ra_cap_provider     = (1 << 0), // Requires provider
     pcmk_ra_cap_status       = (1 << 1), // Supports status instead of monitor
     pcmk_ra_cap_params       = (1 << 2), // Supports parameters
     pcmk_ra_cap_unique       = (1 << 3), // Supports unique clones
     pcmk_ra_cap_promotable   = (1 << 4), // Supports promotable clones
     pcmk_ra_cap_stdin        = (1 << 5), // Reads from standard input
     pcmk_ra_cap_fence_params = (1 << 6), // Supports pcmk_monitor_timeout, etc.
 };
 
 uint32_t pcmk_get_ra_caps(const char *standard);
 char *crm_generate_ra_key(const char *standard, const char *provider,
                           const char *type);
 int crm_parse_agent_spec(const char *spec, char **standard, char **provider,
                          char **type);
 bool pcmk_stonith_param(const char *param);
 
-#if !defined(PCMK_ALLOW_DEPRECATED) || (PCMK_ALLOW_DEPRECATED == 1)
-#include <crm/common/agents_compat.h>
-#endif
-
 #ifdef __cplusplus
 }
 #endif
 
 #endif // PCMK__CRM_COMMON_AGENTS__H
diff --git a/include/crm/common/agents_compat.h b/include/crm/common/agents_compat.h
deleted file mode 100644
index d6c4ad3aa6..0000000000
--- a/include/crm/common/agents_compat.h
+++ /dev/null
@@ -1,32 +0,0 @@
-/*
- * Copyright 2017-2024 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_AGENTS_COMPAT__H
-#define PCMK__CRM_COMMON_AGENTS_COMPAT__H
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-/**
- * \file
- * \brief Deprecated Pacemaker resource agent API
- * \ingroup core
- * \deprecated Do not include this header directly. The agent APIs in this
- *             header, and the header itself, will be removed in a future
- *             release.
- */
-
-#include <stdbool.h>
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif // PCMK__CRM_COMMON_AGENTS_COMPAT__H