diff --git a/libsrc/serial/ser_params.s b/libsrc/serial/ser_params.s
deleted file mode 100644
index 58cf35e99..000000000
--- a/libsrc/serial/ser_params.s
+++ /dev/null
@@ -1,24 +0,0 @@
-;
-; Ullrich von Bassewitz, 2003-04-18
-;
-; unsigned char __fastcall__ ser_params (const struct ser_params* params);
-; /* Set the port parameters. This will also enable the port. */
-
-
-        .importzp       ptr1
-
-        .include        "ser-kernel.inc"
-
-
-
-.proc   _ser_params
-
-        sta     ptr1
-        stx     ptr1+1                  ; Save pointer to params
-        jmp     ser_params              ; Call the driver
-
-.endproc
-
-
-
-