diff --git a/libnm/nm-client.c b/libnm/nm-client.c
index 17c31bf04..ccc96e947 100644
--- a/libnm/nm-client.c
+++ b/libnm/nm-client.c
@@ -2525,10 +2525,7 @@ dispose (GObject *object)
 {
 	NMClientPrivate *priv = NM_CLIENT_GET_PRIVATE (object);
 
-	if (priv->new_object_manager_cancellable) {
-		g_cancellable_cancel (priv->new_object_manager_cancellable);
-		g_clear_object (&priv->new_object_manager_cancellable);
-	}
+	nm_clear_g_cancellable (&priv->new_object_manager_cancellable);
 
 	if (priv->manager) {
 		g_signal_handlers_disconnect_by_data (priv->manager, object);
diff --git a/libnm/nm-manager.c b/libnm/nm-manager.c
index 5520b580d..d3df73375 100644
--- a/libnm/nm-manager.c
+++ b/libnm/nm-manager.c
@@ -1274,11 +1274,7 @@ dispose (GObject *object)
 	NMManager *manager = NM_MANAGER (object);
 	NMManagerPrivate *priv = NM_MANAGER_GET_PRIVATE (object);
 
-	if (priv->perm_call_cancellable) {
-		g_cancellable_cancel (priv->perm_call_cancellable);
-		g_clear_object (&priv->perm_call_cancellable);
-	}
-
+	nm_clear_g_cancellable (&priv->perm_call_cancellable);
 
 	if (priv->devices) {
 		g_ptr_array_unref (priv->devices);
diff --git a/src/devices/bluetooth/nm-bluez-manager.c b/src/devices/bluetooth/nm-bluez-manager.c
index 58fa9b016..2f0afa168 100644
--- a/src/devices/bluetooth/nm-bluez-manager.c
+++ b/src/devices/bluetooth/nm-bluez-manager.c
@@ -134,10 +134,7 @@ cleanup_checking (NMBluezManager *self, gboolean do_unwatch_name)
 {
 	NMBluezManagerPrivate *priv = NM_BLUEZ_MANAGER_GET_PRIVATE (self);
 
-	if (priv->async_cancellable) {
-		g_cancellable_cancel (priv->async_cancellable);
-		g_clear_object (&priv->async_cancellable);
-	}
+	nm_clear_g_cancellable (&priv->async_cancellable);
 
 	g_clear_object (&priv->introspect_proxy);
 
diff --git a/src/devices/nm-device.c b/src/devices/nm-device.c
index 9ad016d7d..51e97a6a8 100644
--- a/src/devices/nm-device.c
+++ b/src/devices/nm-device.c
@@ -11860,9 +11860,8 @@ deactivate_async_ready (NMDevice *self,
 	if (   g_error_matches (error, G_IO_ERROR, G_IO_ERROR_CANCELLED)
 	    || (priv->deactivating_cancellable && g_cancellable_is_cancelled (priv->deactivating_cancellable))) {
 		_LOGW (LOGD_DEVICE, "Deactivation cancelled");
-	}
-	/* In every other case, transition to the DISCONNECTED state */
-	else {
+	} else {
+		/* In every other case, transition to the DISCONNECTED state */
 		if (error) {
 			_LOGW (LOGD_DEVICE, "Deactivation failed: %s",
 			       error->message);
@@ -11890,11 +11889,8 @@ deactivate_dispatcher_complete (guint call_id, gpointer user_data)
 	priv->dispatcher.post_state = NM_DEVICE_STATE_UNKNOWN;
 	priv->dispatcher.post_state_reason = NM_DEVICE_STATE_REASON_NONE;
 
-	if (priv->deactivating_cancellable) {
+	if (nm_clear_g_cancellable (&priv->deactivating_cancellable))
 		g_warn_if_reached ();
-		g_cancellable_cancel (priv->deactivating_cancellable);
-		g_clear_object (&priv->deactivating_cancellable);
-	}
 
 	if (   NM_DEVICE_GET_CLASS (self)->deactivate_async
 	    && NM_DEVICE_GET_CLASS (self)->deactivate_async_finish) {
diff --git a/src/nm-auth-manager.c b/src/nm-auth-manager.c
index 4359d8f18..b848e2e35 100644
--- a/src/nm-auth-manager.c
+++ b/src/nm-auth-manager.c
@@ -595,10 +595,7 @@ dispose (GObject *object)
 	/* since we take a reference for each queued call, we don't expect to have any queued calls in dispose() */
 	g_assert (!priv->queued_calls);
 
-	if (priv->new_proxy_cancellable) {
-		g_cancellable_cancel (priv->new_proxy_cancellable);
-		g_clear_object (&priv->new_proxy_cancellable);
-	}
+	nm_clear_g_cancellable (&priv->new_proxy_cancellable);
 
 	if (priv->proxy) {
 		g_signal_handlers_disconnect_by_data (priv->proxy, self);
diff --git a/src/nm-auth-utils.c b/src/nm-auth-utils.c
index 930f6d0ff..f9c958e91 100644
--- a/src/nm-auth-utils.c
+++ b/src/nm-auth-utils.c
@@ -301,12 +301,10 @@ auth_call_cancel (gpointer user_data)
 {
 	AuthCall *call = user_data;
 
-	if (call->cancellable) {
+	if (nm_clear_g_cancellable (&call->cancellable)) {
 		/* we don't free call immediately. Instead we cancel the async operation
 		 * and set cancellable to NULL. pk_call_cb() will check for this and
 		 * do the final cleanup. */
-		g_cancellable_cancel (call->cancellable);
-		g_clear_object (&call->cancellable);
 	} else {
 		g_source_remove (call->call_idle_id);
 		auth_call_free (call);
diff --git a/src/nm-policy.c b/src/nm-policy.c
index bc602db72..a8682d5df 100644
--- a/src/nm-policy.c
+++ b/src/nm-policy.c
@@ -523,10 +523,7 @@ update_system_hostname (NMPolicy *self, NMDevice *best4, NMDevice *best6)
 
 	g_return_if_fail (self != NULL);
 
-	if (priv->lookup_cancellable) {
-		g_cancellable_cancel (priv->lookup_cancellable);
-		g_clear_object (&priv->lookup_cancellable);
-	}
+	nm_clear_g_cancellable (&priv->lookup_cancellable);
 
 	/* Hostname precedence order:
 	 *
@@ -1953,11 +1950,7 @@ dns_config_changed (NMDnsManager *dns_manager, gpointer user_data)
 	 * (race in updating DNS and doing the reverse lookup).
 	 */
 
-	/* Stop a lookup thread if any. */
-	if (priv->lookup_cancellable) {
-		g_cancellable_cancel (priv->lookup_cancellable);
-		g_clear_object (&priv->lookup_cancellable);
-	}
+	nm_clear_g_cancellable (&priv->lookup_cancellable);
 
 	/* Re-start the hostname lookup thread if we don't have hostname yet. */
 	if (priv->lookup_addr) {
diff --git a/src/supplicant/nm-supplicant-manager.c b/src/supplicant/nm-supplicant-manager.c
index 0a7b4c620..49650ab71 100644
--- a/src/supplicant/nm-supplicant-manager.c
+++ b/src/supplicant/nm-supplicant-manager.c
@@ -398,10 +398,7 @@ dispose (GObject *object)
 
 	nm_clear_g_source (&priv->die_count_reset_id);
 
-	if (priv->cancellable) {
-		g_cancellable_cancel (priv->cancellable);
-		g_clear_object (&priv->cancellable);
-	}
+	nm_clear_g_cancellable (&priv->cancellable);
 
 	if (priv->ifaces) {
 		for (ifaces = priv->ifaces; ifaces; ifaces = ifaces->next)
diff --git a/src/vpn/nm-vpn-connection.c b/src/vpn/nm-vpn-connection.c
index 3d4536e70..2120bbe37 100644
--- a/src/vpn/nm-vpn-connection.c
+++ b/src/vpn/nm-vpn-connection.c
@@ -2647,10 +2647,8 @@ dispose (GObject *object)
 
 	cancel_get_secrets (self);
 
-	if (priv->cancellable) {
-		g_cancellable_cancel (priv->cancellable);
-		g_clear_object (&priv->cancellable);
-	}
+	nm_clear_g_cancellable (&priv->cancellable);
+
 	g_clear_object (&priv->proxy_config);
 	nm_exported_object_clear_and_unexport (&priv->ip4_config);
 	nm_exported_object_clear_and_unexport (&priv->ip6_config);