diff --git a/callouts/Makefile.am b/callouts/Makefile.am
index 8e43c69507..d77fea5880 100644
--- a/callouts/Makefile.am
+++ b/callouts/Makefile.am
@@ -15,7 +15,6 @@ nm_dhcp_client_action_SOURCES = \
 nm_dhcp_client_action_CPPFLAGS = \
 	$(DBUS_CFLAGS) \
 	$(GLIB_CFLAGS) \
-	-DDBUS_API_SUBJECT_TO_CHANGE \
 	-DG_DISABLE_DEPRECATED \
 	-DSYSCONFDIR=\"$(sysconfdir)\" \
 	-DLIBEXECDIR=\"$(libexecdir)\"
@@ -31,7 +30,6 @@ nm_avahi_autoipd_action_SOURCES = \
 nm_avahi_autoipd_action_CPPFLAGS = 		\
 	$(DBUS_CFLAGS)						\
 	$(GLIB_CFLAGS)					\
-	-DDBUS_API_SUBJECT_TO_CHANGE		\
 	-DG_DISABLE_DEPRECATED				\
 	-DSYSCONFDIR=\"$(sysconfdir)\"		\
 	-DLIBEXECDIR=\"$(libexecdir)\"
@@ -51,7 +49,6 @@ nm_dispatcher_action_CPPFLAGS = \
 	-I${top_srcdir}/libnm-util \
 	$(DBUS_CFLAGS) \
 	$(GLIB_CFLAGS) \
-	-DDBUS_API_SUBJECT_TO_CHANGE \
 	-DG_DISABLE_DEPRECATED \
 	-DSYSCONFDIR=\"$(sysconfdir)\" \
 	-DLIBEXECDIR=\"$(libexecdir)\"
diff --git a/libnm-util/Makefile.am b/libnm-util/Makefile.am
index 177e3b3181..225d4b5314 100644
--- a/libnm-util/Makefile.am
+++ b/libnm-util/Makefile.am
@@ -8,7 +8,6 @@ libnm_util_la_CPPFLAGS = \
 	$(GLIB_CFLAGS) \
 	$(DBUS_CFLAGS) \
 	$(UUID_CFLAGS) \
-	-DDBUS_API_SUBJECT_TO_CHANGE \
 	-DG_DISABLE_DEPRECATED
 
 libnm_util_include_HEADERS = 		\
diff --git a/src/Makefile.am b/src/Makefile.am
index fe40711d93..be4431a27d 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -139,7 +139,6 @@ NetworkManager_CPPFLAGS = 							\
 	$(HAL_CFLAGS)									\
 	$(OPENSSL_CFLAGS)								\
 	$(LIBNL_CFLAGS)								\
-	-DDBUS_API_SUBJECT_TO_CHANGE						\
 	-DG_DISABLE_DEPRECATED							\
 	-DBINDIR=\"$(bindir)\"							\
 	-DSBINDIR=\"$(sbindir)\"							\
diff --git a/src/backends/Makefile.am b/src/backends/Makefile.am
index 46746729fb..d32f635da6 100644
--- a/src/backends/Makefile.am
+++ b/src/backends/Makefile.am
@@ -53,7 +53,6 @@ libnmbackend_la_LIBADD += $(DBUS_LIBS) $(GLIB_LIBS)
 libnmbackend_la_CPPFLAGS =	$(DBUS_CFLAGS)				\
 					$(GLIB_CFLAGS)				\
 					$(HAL_CFLAGS)					\
-					-DDBUS_API_SUBJECT_TO_CHANGE		\
 					-DG_DISABLE_DEPRECATED			\
 					-DBINDIR=\"$(bindir)\"			\
 					-DDATADIR=\"$(datadir)\"			\
diff --git a/src/dhcp-manager/Makefile.am b/src/dhcp-manager/Makefile.am
index 15d23a9f13..409e5a3133 100644
--- a/src/dhcp-manager/Makefile.am
+++ b/src/dhcp-manager/Makefile.am
@@ -17,7 +17,6 @@ libdhcp_manager_la_CPPFLAGS = \
 	$(DBUS_CFLAGS) \
 	$(GLIB_CFLAGS) \
 	$(HAL_CFLAGS) \
-	-DDBUS_API_SUBJECT_TO_CHANGE \
 	-DG_DISABLE_DEPRECATED \
 	-DBINDIR=\"$(bindir)\" \
 	-DDATADIR=\"$(datadir)\" \
diff --git a/src/named-manager/Makefile.am b/src/named-manager/Makefile.am
index 68857a07fe..fe1ec918d5 100644
--- a/src/named-manager/Makefile.am
+++ b/src/named-manager/Makefile.am
@@ -8,7 +8,6 @@ libnamed_manager_la_CPPFLAGS = \
 	$(DBUS_CFLAGS) \
 	$(GLIB_CFLAGS) \
 	-DNM_PKGDATADIR=\"$(pkgdatadir)\" \
-	-DNM_LOCALSTATEDIR=\"$(localstatedir)\" \
-	-DDBUS_API_SUBJECT_TO_CHANGE
+	-DNM_LOCALSTATEDIR=\"$(localstatedir)\"
 
 libnamed_manager_la_LIBADD = $(DBUS_LIBS) $(GLIB_LIBS)
diff --git a/src/supplicant-manager/Makefile.am b/src/supplicant-manager/Makefile.am
index 91150c906c..df27d5cdbb 100644
--- a/src/supplicant-manager/Makefile.am
+++ b/src/supplicant-manager/Makefile.am
@@ -23,8 +23,7 @@ libsupplicant_manager_la_CPPFLAGS = \
 	$(GLIB_CFLAGS) \
 	$(HAL_CFLAGS) \
 	-DNM_PKGDATADIR=\"$(pkgdatadir)\" \
-	-DNM_LOCALSTATEDIR=\"$(localstatedir)\" \
-	-DDBUS_API_SUBJECT_TO_CHANGE
+	-DNM_LOCALSTATEDIR=\"$(localstatedir)\"
 
 libsupplicant_manager_la_LIBADD = \
 	$(DBUS_LIBS) \
diff --git a/system-settings/src/Makefile.am b/system-settings/src/Makefile.am
index b444e9c616..0b2a646948 100644
--- a/system-settings/src/Makefile.am
+++ b/system-settings/src/Makefile.am
@@ -35,7 +35,6 @@ nm_system_settings_CPPFLAGS = \
 	$(GLIB_CFLAGS) \
 	$(GMODULE_CFLAGS) \
 	$(POLKIT_CFLAGS) \
-	-DDBUS_API_SUBJECT_TO_CHANGE \
 	-DG_DISABLE_DEPRECATED	\
 	-DBINDIR=\"$(bindir)\" \
 	-DSBINDIR=\"$(sbindir)\" \
diff --git a/test/Makefile.am b/test/Makefile.am
index 7b46f73db8..47bf2a56a6 100644
--- a/test/Makefile.am
+++ b/test/Makefile.am
@@ -8,7 +8,6 @@ AM_CPPFLAGS =						\
 	$(DBUS_CFLAGS)					\
 	$(GLIB_CFLAGS)				\
 	$(HAL_CFLAGS)					\
-	-DDBUS_API_SUBJECT_TO_CHANGE		\
 	-DBINDIR=\"$(bindir)\"			\
 	-DNM_RUN_DIR=\"$(rundir)\" \
 	-DDATADIR=\"$(datadir)\"
diff --git a/test/nm-online.c b/test/nm-online.c
index 2e400897be..3827c74690 100644
--- a/test/nm-online.c
+++ b/test/nm-online.c
@@ -30,7 +30,6 @@
  * Robert Love <rml@novell.com>
  */
 
-#define DBUS_API_SUBJECT_TO_CHANGE 1
 #define PROGRESS_STEPS 15
 
 #include <ctype.h>