diff --git a/lwlib/ChangeLog b/lwlib/ChangeLog
index 8287fe31db8..cdff50e5bcd 100644
--- a/lwlib/ChangeLog
+++ b/lwlib/ChangeLog
@@ -1,5 +1,8 @@
 2001-02-28  Gerd Moellmann  <gerd@gnu.org>
 
+	* lwlib-Xm.c (xm_arm_callback): Don't compare widgets with `None',
+	use NULL instead.
+
 	* lwlib-Xaw.c (xaw_update_one_widget): Use XtSetSensitive instead
 	of setting the value of XtNsensitive.
 
diff --git a/src/ChangeLog b/src/ChangeLog
index 464a8ad416b..64a4baa7dad 100644
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,5 +1,11 @@
 2001-02-28  Gerd Moellmann  <gerd@gnu.org>
 
+	* xterm.c (x_set_window_size): Don't use `None' with widgets; use
+	NULL instead.
+
+	* xfns.c (Fx_hide_tip): Don't use `None' with widgets; use
+	NULL instead.
+
 	* alloc.c (toplevel): Include process.h.
 	(enum mem_type): Add MEM_TYPE_PROCESS, MEM_TYPE_HASH_TABLE,
 	MEM_TYPE_FRAME, MEM_TYPE_WINDOW enumerators.