diff --git a/sysdeps/m68k/coldfire/atomic-machine.h b/sysdeps/m68k/atomic-machine.h
similarity index 79%
rename from sysdeps/m68k/coldfire/atomic-machine.h
rename to sysdeps/m68k/atomic-machine.h
index 644c0e204e..49a65d6d99 100644
--- a/sysdeps/m68k/coldfire/atomic-machine.h
+++ b/sysdeps/m68k/atomic-machine.h
@@ -15,14 +15,17 @@
License along with the GNU C Library. If not, see
. */
-#ifndef _ATOMIC_MACHINE_H
-#define _ATOMIC_MACHINE_H 1
+#ifndef _M68K_ATOMIC_MACHINE_H
+#define _M68K_ATOMIC_MACHINE_H 1
+#if defined __mc68020__ || defined __mcoldfire__
/* If we have just non-atomic operations, we can as well make them wide. */
-#define __HAVE_64B_ATOMICS 1
-#define USE_ATOMIC_COMPILER_BUILTINS 1
+# define __HAVE_64B_ATOMICS 0
/* XXX Is this actually correct? */
-#define ATOMIC_EXCHANGE_USES_CAS 1
+# define ATOMIC_EXCHANGE_USES_CAS 1
+#else
+# error "ISAs does not support atomic operations"
+#endif
#endif
diff --git a/sysdeps/m68k/m680x0/m68020/atomic-machine.h b/sysdeps/m68k/m680x0/m68020/atomic-machine.h
deleted file mode 100644
index f394a20164..0000000000
--- a/sysdeps/m68k/m680x0/m68020/atomic-machine.h
+++ /dev/null
@@ -1,22 +0,0 @@
-/* Copyright (C) 2003-2025 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 the GNU C Library. If not, see
- . */
-
-#define __HAVE_64B_ATOMICS 0
-#define USE_ATOMIC_COMPILER_BUILTINS 1
-
-/* XXX Is this actually correct? */
-#define ATOMIC_EXCHANGE_USES_CAS 1
diff --git a/sysdeps/unix/sysv/linux/m68k/coldfire/atomic-machine.h b/sysdeps/unix/sysv/linux/m68k/coldfire/atomic-machine.h
deleted file mode 100644
index f8cdc5631b..0000000000
--- a/sysdeps/unix/sysv/linux/m68k/coldfire/atomic-machine.h
+++ /dev/null
@@ -1,35 +0,0 @@
-/* Copyright (C) 2010-2025 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 the GNU C Library. If not, see
- . */
-
-#ifndef _ATOMIC_MACHINE_H
-#define _ATOMIC_MACHINE_H 1
-
-#include
-
-/* Coldfire has no atomic compare-and-exchange operation, but the
- kernel provides userspace atomicity operations. Use them. */
-
-#define __HAVE_64B_ATOMICS 0
-#define USE_ATOMIC_COMPILER_BUILTINS 1
-
-/* XXX Is this actually correct? */
-#define ATOMIC_EXCHANGE_USES_CAS 1
-
-# define atomic_full_barrier() \
- (INTERNAL_SYSCALL_CALL (atomic_barrier), (void) 0)
-
-#endif