diff --git a/rlib/s/asmdefs b/rlib/s/asmdefs
deleted file mode 100644
index 2c23dd2fddd81afefd3aad23f92b87b9f217fa77..0000000000000000000000000000000000000000
--- a/rlib/s/asmdefs
+++ /dev/null
@@ -1,18 +0,0 @@
-; Copyright 1996 Acorn Computers Ltd
-;
-; Licensed under the Apache License, Version 2.0 (the "License");
-; you may not use this file except in compliance with the License.
-; You may obtain a copy of the License at
-;
-;     http://www.apache.org/licenses/LICENSE-2.0
-;
-; Unless required by applicable law or agreed to in writing, software
-; distributed under the License is distributed on an "AS IS" BASIS,
-; WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-; See the License for the specific language governing permissions and
-; limitations under the License.
-;
-                GBLL    UROM
-UROM            SETL    {FALSE}
-
-                END