diff --git a/include/pacemaker-internal.h b/include/pacemaker-internal.h
index 5a14ebffb3..48f0162e1e 100644
--- a/include/pacemaker-internal.h
+++ b/include/pacemaker-internal.h
@@ -1,26 +1,25 @@
 /*
  * Copyright 2019-2022 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 PACEMAKER_INTERNAL__H
 #  define PACEMAKER_INTERNAL__H
 
 #  include <pcmki/pcmki_acl.h>
-#  include <pcmki/pcmki_error.h>
 #  include <pcmki/pcmki_cluster_queries.h>
 #  include <pcmki/pcmki_fence.h>
 #  include <pcmki/pcmki_output.h>
 #  include <pcmki/pcmki_resource.h>
 #  include <pcmki/pcmki_sched_allocate.h>
 #  include <pcmki/pcmki_sched_utils.h>
 #  include <pcmki/pcmki_scheduler.h>
 #  include <pcmki/pcmki_simulate.h>
 #  include <pcmki/pcmki_status.h>
 #  include <pcmki/pcmki_transition.h>
 
 #endif
diff --git a/include/pcmki/Makefile.am b/include/pcmki/Makefile.am
index 3ba6aa8a0b..e1db94198a 100644
--- a/include/pcmki/Makefile.am
+++ b/include/pcmki/Makefile.am
@@ -1,25 +1,24 @@
 #
 # Copyright 2019-2022 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
 
 noinst_HEADERS		= pcmki_acl.h \
-			  pcmki_error.h \
 			  pcmki_cluster_queries.h \
 			  pcmki_fence.h \
 			  pcmki_output.h \
 			  pcmki_resource.h \
 			  pcmki_sched_allocate.h \
 			  pcmki_sched_utils.h \
 			  pcmki_scheduler.h \
 			  pcmki_simulate.h \
 			  pcmki_status.h \
 			  pcmki_transition.h
 
 .PHONY: $(ARCHIVE_VERSION)
diff --git a/include/pcmki/pcmki_error.h b/include/pcmki/pcmki_error.h
deleted file mode 100644
index cc66086710..0000000000
--- a/include/pcmki/pcmki_error.h
+++ /dev/null
@@ -1,17 +0,0 @@
-/*
- * Copyright 2007-2019 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__PCMKI_PCMKI_ERROR__H
-#  define  PCMK__PCMKI_PCMKI_ERROR__H
-
-#define CMD_ERR(fmt, args...) do {              \
-            crm_warn(fmt, ##args);              \
-            fprintf(stderr, fmt "\n", ##args);  \
-        } while(0)
-
-#endif