diff --git a/src/isascii.c b/src/isascii.c
deleted file mode 100644
index 867dd0ca..00000000
--- a/src/isascii.c
+++ /dev/null
@@ -1,28 +0,0 @@
-/* Copyright (C) 1991,92,93,95,96,97,98,99,2001,2002,2004
- *               Free Software Foundation, Inc.
- * This file is part of the GNU C Library.
- *
- * The GNU C Library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * The GNU C Library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this program; if not, see <https://gnu.org/licenses/>.
- * SPDX-License-Identifier: LGPL-2.1-or-later
- */
-
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-
-int
-isascii (int c)
-{
-  return (((c) & ~0x7f) == 0);
-}
diff --git a/src/putc_unlocked.c b/src/putc_unlocked.c
deleted file mode 100644
index a0b90017..00000000
--- a/src/putc_unlocked.c
+++ /dev/null
@@ -1,31 +0,0 @@
-/* putc_unlocked.c - Replacement for putc_unlocked.
- * Copyright (C) 2004 g10 Code GmbH
- *
- * This file is part of GPGME.
- *
- * GPGME is free software; you can redistribute it and/or modify it
- * under the terms of the GNU Lesser General Public License as
- * published by the Free Software Foundation; either version 2.1 of
- * the License, or (at your option) any later version.
- *
- * GPGME is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this program; if not, see <https://gnu.org/licenses/>.
- * SPDX-License-Identifier: LGPL-2.1-or-later
- */
-
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-
-#include <stdio.h>
-
-int
-putc_unlocked (int c, FILE *stream)
-{
-  return putc (c, stream);
-}