diff --git a/drivers/isdn/hardware/eicon/dsp_defs.h b/drivers/isdn/hardware/eicon/dsp_defs.h
index b44950e06f3289772c431112834a6f5c7dddf5ff..fec1e381a6880791e7b1ba306c9acda4781d9790 100644
--- a/drivers/isdn/hardware/eicon/dsp_defs.h
+++ b/drivers/isdn/hardware/eicon/dsp_defs.h
@@ -34,9 +34,6 @@
  *
  * I/O functions returns -1 on error, 0 on EOF
  */
-#define OS_SEEK_SET 0
-#define OS_SEEK_CUR 1
-#define OS_SEEK_END 2
 struct _OsFileHandle_;
 typedef long (  * OsFileIo)  (struct _OsFileHandle_    *handle,
                                 void                     *buffer,