diff --git a/libgfortran/ChangeLog b/libgfortran/ChangeLog
index 9d58d50f2898..db86bdc1a013 100644
--- a/libgfortran/ChangeLog
+++ b/libgfortran/ChangeLog
@@ -1,3 +1,7 @@
+2015-08-25  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
+
+	* libgfortran.h (check_buffered): Remove unused prototype.
+
 2015-08-24  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
 
 	PR libfortran/57496
diff --git a/libgfortran/libgfortran.h b/libgfortran/libgfortran.h
index 7c6e79995422..0e73ac1e2bf8 100644
--- a/libgfortran/libgfortran.h
+++ b/libgfortran/libgfortran.h
@@ -790,9 +790,6 @@ internal_proto(xrealloc);
 
 /* environ.c */
 
-extern int check_buffered (int);
-internal_proto(check_buffered);
-
 extern void init_variables (void);
 internal_proto(init_variables);