diff --git a/include/crm/compatibility.h b/include/crm/compatibility.h
index 3fda2e76c5..1ef8934be8 100644
--- a/include/crm/compatibility.h
+++ b/include/crm/compatibility.h
@@ -1,61 +1,70 @@
 /*
  * Copyright (C) 2012-2017 Andrew Beekhof <andrew@beekhof.net>
  *
  * This source code is licensed under the GNU General Public License version 2
  * or later (GPLv2+) WITHOUT ANY WARRANTY.
  */
 #ifndef CRM_COMPATIBILITY__H
 #  define CRM_COMPATIBILITY__H
 
 /* Heartbeat-specific definitions. Support for heartbeat has been removed
  * entirely, so any code branches relying on these should be deleted.
  */
 #define ACTIVESTATUS "active"
 #define DEADSTATUS "dead"
 #define PINGSTATUS "ping"
 #define JOINSTATUS "join"
 #define LEAVESTATUS "leave"
 #define NORMALNODE "normal"
 #define CRM_NODE_EVICTED "evicted"
 #define CRM_LEGACY_CONFIG_DIR "/var/lib/heartbeat/crm"
 #define HA_VARLIBHBDIR "/var/lib/heartbeat"
 #define pcmk_cluster_heartbeat 0x0004
 
 /* Corosync-version-1-specific definitions */
 
 /* Support for corosync version 1 has been removed entirely, so any code
  * branches relying on these should be deleted.
  */
 #define PCMK_SERVICE_ID 9
 #define CRM_SERVICE PCMK_SERVICE_ID
 #define XML_ATTR_EXPECTED_VOTES "expected-quorum-votes"
 #define crm_class_members 1
 #define crm_class_notify 2
 #define crm_class_nodeid 3
 #define crm_class_rmpeer 4
 #define crm_class_quorum 5
 #define pcmk_cluster_classic_ais 0x0010
 #define pcmk_cluster_cman 0x0040
 static int ais_fd_sync = -1;
 
 // These are always true now
 #define CS_USES_LIBQB 1
 #define HAVE_CMAP 1
 #define SUPPORT_CS_QUORUM 1
 #define SUPPORT_AIS 1
 #define AIS_COROSYNC 1
 
 // These are always false now
 #define HAVE_CONFDB 0
 #define SUPPORT_CMAN 0
 #define SUPPORT_PLUGIN 0
 #define is_classic_ais_cluster() 0
 #define is_cman_cluster() 0
 
 // These have newer names
 #define is_openais_cluster() is_corosync_cluster()
 #if SUPPORT_COROSYNC
 #define SUPPORT_CS
 #endif
 
+/* Isolation-specific definitions. Support for the resource isolation feature
+ * has been removed * entirely, so any code branches relying on these should be
+ * deleted.
+ */
+#define XML_RSC_ATTR_ISOLATION_INSTANCE "isolation-instance"
+#define XML_RSC_ATTR_ISOLATION_WRAPPER "isolation-wrapper"
+#define XML_RSC_ATTR_ISOLATION_HOST "isolation-host"
+#define XML_RSC_ATTR_ISOLATION "isolation"
+
 #endif