diff --git a/ChangeLog b/ChangeLog
index 24ad6b2e..ed53bce0 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -126,6 +126,8 @@
 	* lib/groupio.c: Remove prototype for sgetgrent().
 	* lib/groupio.c: Add the name of the parameters for
 	merge_group_entries() and split_groups().
+	* lib/groupio.h: Remove prototypes for __gr_dup() and
+	__gr_set_changed().
 
 2008-01-05  Nicolas François  <nicolas.francois@centraliens.net>
 
diff --git a/lib/groupio.h b/lib/groupio.h
index 8474072c..e2b5d04e 100644
--- a/lib/groupio.h
+++ b/lib/groupio.h
@@ -1,5 +1,3 @@
-extern struct group *__gr_dup (const struct group *);
-extern void __gr_set_changed (void);
 extern int gr_close (void);
 extern const struct group *gr_locate (const char *);
 extern int gr_lock (void);