diff --git a/package/bluez_utils/Config.in b/package/bluez_utils/Config.in
index c06f8cd..7ca23fc 100644
--- a/package/bluez_utils/Config.in
+++ b/package/bluez_utils/Config.in
@@ -3,6 +3,7 @@ config BR2_PACKAGE_BLUEZ_UTILS
 	depends on !BR2_avr32
 	depends on BR2_USE_WCHAR # libglib2
 	depends on BR2_TOOLCHAIN_HAS_THREADS # dbus, alsa-lib
+	depends on BR2_USE_MMU # dbus
 	select BR2_PACKAGE_DBUS
 	select BR2_PACKAGE_LIBGLIB2
 	help
diff --git a/package/connman/Config.in b/package/connman/Config.in
index b67b540..93f9ab5 100644
--- a/package/connman/Config.in
+++ b/package/connman/Config.in
@@ -8,6 +8,7 @@ config BR2_PACKAGE_CONNMAN
 	depends on BR2_USE_WCHAR # libglib2 and gnutls
 	depends on BR2_INET_IPV6
 	depends on BR2_TOOLCHAIN_HAS_THREADS # dbus
+	depends on BR2_USE_MMU # dbus
 	help
 	  The Connection Manager (ConnMan) project provides a daemon for
 	  managing internet connections within embedded devices running
diff --git a/package/dbus/Config.in b/package/dbus/Config.in
index 2b04e94..62f3eee 100644
--- a/package/dbus/Config.in
+++ b/package/dbus/Config.in
@@ -1,6 +1,8 @@
 config BR2_PACKAGE_DBUS
 	bool "dbus"
 	depends on BR2_TOOLCHAIN_HAS_THREADS
+	# uses fork()
+	depends on BR2_USE_MMU
 	help
 	  The D-Bus message bus system.
 
diff --git a/package/efl/libedbus/Config.in b/package/efl/libedbus/Config.in
index 985939e..9b57592 100644
--- a/package/efl/libedbus/Config.in
+++ b/package/efl/libedbus/Config.in
@@ -4,6 +4,7 @@ config BR2_PACKAGE_LIBEDBUS
 	select BR2_PACKAGE_LIBECORE
 	select BR2_PACKAGE_DBUS
 	depends on BR2_TOOLCHAIN_HAS_THREADS # dbus
+	depends on BR2_USE_MMU # dbus
 	help
 	  E_Dbus is a set of wrappers around D-Bus APIs so they can be
 	  easily used by EFL applications, automatically providing
diff --git a/package/gvfs/Config.in b/package/gvfs/Config.in
index 87f9a03..e0a945e 100644
--- a/package/gvfs/Config.in
+++ b/package/gvfs/Config.in
@@ -2,6 +2,8 @@ config BR2_PACKAGE_GVFS
 	bool "gvfs"
 	depends on BR2_LARGEFILE
 	depends on BR2_USE_WCHAR # glib2
+	depends on BR2_USE_MMU # dbus
+	depends on BR2_TOOLCHAIN_HAS_THREADS # dbus
 	select BR2_PACKAGE_LIBGLIB2
 	select BR2_PACKAGE_DBUS
 	select BR2_PACKAGE_SHARED_MIME_INFO
diff --git a/package/network-manager/Config.in b/package/network-manager/Config.in
index 3f01fef..e2324d6 100644
--- a/package/network-manager/Config.in
+++ b/package/network-manager/Config.in
@@ -6,6 +6,7 @@ config BR2_PACKAGE_NETWORK_MANAGER
 	depends on BR2_LARGEFILE # acl
 	depends on BR2_USE_WCHAR # libglib2 and gnutls
 	depends on BR2_TOOLCHAIN_HAS_THREADS # dbus
+	depends on BR2_USE_MMU # dbus
 	select BR2_PACKAGE_DBUS_GLIB
 	select BR2_PACKAGE_UDEV
 	select BR2_PACKAGE_UDEV_ALL_EXTRAS
diff --git a/package/ofono/Config.in b/package/ofono/Config.in
index 74c8b53..6248544 100644
--- a/package/ofono/Config.in
+++ b/package/ofono/Config.in
@@ -2,6 +2,7 @@ config BR2_PACKAGE_OFONO
 	bool "ofono"
 	depends on BR2_USE_WCHAR # gettext/libglib2
 	depends on BR2_TOOLCHAIN_HAS_THREADS # dbus
+	depends on BR2_USE_MMU # dbus
 	select BR2_PACKAGE_LIBCAP_NG
 	select BR2_PACKAGE_DBUS
 	select BR2_PACKAGE_LIBGLIB2
diff --git a/package/qt/Config.in b/package/qt/Config.in
index b99bf4c..fdbb598 100644
--- a/package/qt/Config.in
+++ b/package/qt/Config.in
@@ -286,6 +286,7 @@ config BR2_PACKAGE_QT_DBUS
 	bool "DBus Module"
 	select BR2_PACKAGE_DBUS
 	depends on BR2_TOOLCHAIN_HAS_THREADS # dbus
+	depends on BR2_USE_MMU # dbus
 	help
 	  Build the Qt DBus module.
 
diff --git a/package/samba/Config.in b/package/samba/Config.in
index b4028b1..fedbccd 100644
--- a/package/samba/Config.in
+++ b/package/samba/Config.in
@@ -233,6 +233,7 @@ config BR2_PACKAGE_SAMBA_AVAHI
 	default y
 	depends on BR2_PACKAGE_AVAHI_DAEMON
 	depends on BR2_TOOLCHAIN_HAS_THREADS # dbus
+	depends on BR2_USE_MMU # dbus
 	select BR2_PACKAGE_DBUS
 	help
 	  Include support for avahi
diff --git a/package/systemd/Config.in b/package/systemd/Config.in
index 0e7fc39..86ab2cf 100644
--- a/package/systemd/Config.in
+++ b/package/systemd/Config.in
@@ -3,6 +3,7 @@ config BR2_PACKAGE_SYSTEMD
 	depends on BR2_ROOTFS_DEVICE_CREATION_DYNAMIC_UDEV
 	depends on BR2_INET_IPV6
 	depends on BR2_TOOLCHAIN_HAS_THREADS # dbus
+	depends on BR2_USE_MMU # dbus
 	select BR2_PACKAGE_DBUS
 	select BR2_PACKAGE_LIBCAP
 	help
diff --git a/system/Config.in b/system/Config.in
index 10c9d9d..4d5ab00 100644
--- a/system/Config.in
+++ b/system/Config.in
@@ -56,6 +56,7 @@ config BR2_INIT_SYSTEMD
 	depends on BR2_INET_IPV6
 	depends on BR2_ROOTFS_DEVICE_CREATION_DYNAMIC_UDEV
 	depends on BR2_TOOLCHAIN_HAS_THREADS
+	depends on BR2_USE_MMU
 	select BR2_PACKAGE_DBUS
 	select BR2_PACKAGE_SYSTEMD