diff --git a/include/nm-utils-internal.h b/include/nm-utils-internal.h
index 7ca44f3c4b..227a210b2c 100644
--- a/include/nm-utils-internal.h
+++ b/include/nm-utils-internal.h
@@ -160,4 +160,17 @@ NM_DEFINE_SINGLETON_DESTRUCTOR(TYPE)
 
 /*****************************************************************************/
 
+static inline gboolean
+nm_clear_g_source (guint *id)
+{
+	if (id && *id) {
+		g_source_remove (*id);
+		*id = 0;
+		return TRUE;
+	}
+	return FALSE;
+}
+
+/*****************************************************************************/
+
 #endif