diff --git a/spa/plugins/bluez5/dbus-helpers.h b/spa/include-private/spa-private/dbus-helpers.h
similarity index 92%
rename from spa/plugins/bluez5/dbus-helpers.h
rename to spa/include-private/spa-private/dbus-helpers.h
index 22aed58a5..55a664d5d 100644
--- a/spa/plugins/bluez5/dbus-helpers.h
+++ b/spa/include-private/spa-private/dbus-helpers.h
@@ -1,9 +1,9 @@
-/* Spa Bluez5 DBus helpers */
+/* Spa DBus helpers */
 /* SPDX-FileCopyrightText: Copyright © 2023 PipeWire authors */
 /* SPDX-License-Identifier: MIT */
 
-#ifndef SPA_BLUEZ5_DBUS_HELPERS_H
-#define SPA_BLUEZ5_DBUS_HELPERS_H
+#ifndef SPA_PRIVATE_DBUS_HELPERS_H
+#define SPA_PRIVATE_DBUS_HELPERS_H
 
 #include <stdbool.h>
 
@@ -69,4 +69,4 @@ SPA_DEFINE_AUTO_CLEANUP(DBusError, DBusError, {
 	dbus_error_free(thing);
 })
 
-#endif /* SPA_BLUEZ5_DBUS_HELPERS_H */
+#endif /* SPA_PRIVATE_DBUS_HELPERS_H */
diff --git a/spa/meson.build b/spa/meson.build
index 145769a2e..2fb5811bc 100644
--- a/spa/meson.build
+++ b/spa/meson.build
@@ -8,6 +8,7 @@
 spa_dep = declare_dependency(
   include_directories : [
     include_directories('include'),
+    include_directories('include-private'),
   ],
   dependencies : [atomic_dep],
   version : spaversion,
diff --git a/spa/plugins/bluez5/backend-hsphfpd.c b/spa/plugins/bluez5/backend-hsphfpd.c
index 81296f32a..ddbae1c3c 100644
--- a/spa/plugins/bluez5/backend-hsphfpd.c
+++ b/spa/plugins/bluez5/backend-hsphfpd.c
@@ -16,9 +16,9 @@
 #include <spa/utils/string.h>
 #include <spa/utils/type.h>
 #include <spa/param/audio/raw.h>
+#include <spa-private/dbus-helpers.h>
 
 #include "defs.h"
-#include "dbus-helpers.h"
 
 SPA_LOG_TOPIC_DEFINE_STATIC(log_topic, "spa.bluez5.hsphfpd");
 #undef SPA_LOG_TOPIC_DEFAULT
diff --git a/spa/plugins/bluez5/backend-native.c b/spa/plugins/bluez5/backend-native.c
index ed1d1218f..ecea26d18 100644
--- a/spa/plugins/bluez5/backend-native.c
+++ b/spa/plugins/bluez5/backend-native.c
@@ -26,6 +26,7 @@
 #include <spa/utils/type.h>
 #include <spa/utils/json.h>
 #include <spa/param/audio/raw.h>
+#include <spa-private/dbus-helpers.h>
 
 #include "defs.h"
 
@@ -33,7 +34,6 @@
 #include <libusb.h>
 #endif
 
-#include "dbus-helpers.h"
 #include "modemmanager.h"
 #include "upower.h"
 
diff --git a/spa/plugins/bluez5/backend-ofono.c b/spa/plugins/bluez5/backend-ofono.c
index 9452eb7f1..42dd0eceb 100644
--- a/spa/plugins/bluez5/backend-ofono.c
+++ b/spa/plugins/bluez5/backend-ofono.c
@@ -20,9 +20,9 @@
 #include <spa/utils/type.h>
 #include <spa/utils/result.h>
 #include <spa/param/audio/raw.h>
+#include <spa-private/dbus-helpers.h>
 
 #include "defs.h"
-#include "dbus-helpers.h"
 
 #define INITIAL_INTERVAL_NSEC	(500 * SPA_NSEC_PER_MSEC)
 #define ACTION_INTERVAL_NSEC	(3000 * SPA_NSEC_PER_MSEC)
diff --git a/spa/plugins/bluez5/bluez5-dbus.c b/spa/plugins/bluez5/bluez5-dbus.c
index 9a5a60855..e914629a8 100644
--- a/spa/plugins/bluez5/bluez5-dbus.c
+++ b/spa/plugins/bluez5/bluez5-dbus.c
@@ -32,10 +32,10 @@
 #include <spa/utils/result.h>
 #include <spa/utils/string.h>
 #include <spa/utils/json.h>
+#include <spa-private/dbus-helpers.h>
 
 #include "config.h"
 #include "codec-loader.h"
-#include "dbus-helpers.h"
 #include "player.h"
 #include "iso-io.h"
 #include "bap-codec-caps.h"
diff --git a/spa/plugins/bluez5/modemmanager.c b/spa/plugins/bluez5/modemmanager.c
index e0beee7bc..f30876f5c 100644
--- a/spa/plugins/bluez5/modemmanager.c
+++ b/spa/plugins/bluez5/modemmanager.c
@@ -4,10 +4,10 @@
 
 #include <errno.h>
 #include <spa/utils/string.h>
+#include <spa-private/dbus-helpers.h>
 
 #include <ModemManager.h>
 
-#include "dbus-helpers.h"
 #include "modemmanager.h"
 
 #define DBUS_INTERFACE_OBJECTMANAGER "org.freedesktop.DBus.ObjectManager"
diff --git a/spa/plugins/bluez5/player.c b/spa/plugins/bluez5/player.c
index 6b2f5fbac..7b267e7d4 100644
--- a/spa/plugins/bluez5/player.c
+++ b/spa/plugins/bluez5/player.c
@@ -7,9 +7,9 @@
 #include <dbus/dbus.h>
 
 #include <spa/utils/string.h>
+#include <spa-private/dbus-helpers.h>
 
 #include "defs.h"
-#include "dbus-helpers.h"
 #include "player.h"
 
 #define PLAYER_OBJECT_PATH_BASE	"/media_player"
diff --git a/spa/plugins/bluez5/upower.c b/spa/plugins/bluez5/upower.c
index badb8d58a..17c324c2f 100644
--- a/spa/plugins/bluez5/upower.c
+++ b/spa/plugins/bluez5/upower.c
@@ -4,8 +4,8 @@
 
 #include <errno.h>
 #include <spa/utils/string.h>
+#include <spa-private/dbus-helpers.h>
 
-#include "dbus-helpers.h"
 #include "upower.h"
 
 #define UPOWER_SERVICE "org.freedesktop.UPower"