diff --git a/cpukit/include/rtems/rtemsdialer.h b/cpukit/include/rtems/rtemsdialer.h
deleted file mode 100644
index 611986b802..0000000000
--- a/cpukit/include/rtems/rtemsdialer.h
+++ /dev/null
@@ -1,24 +0,0 @@
-
-#ifndef DIALER_H
-#define DIALER_H
-
-/* define constant mode values */
-#define DIALER_INIT         0
-#define DIALER_CONNECT      1
-#define DIALER_WELCOME      2
-#define DIALER_DISCONNECT   3
-
-/* define constant return values */
-#define DIALER_SUCCESS      0
-#define DIALER_INVALIDARG   1
-#define DIALER_UNEXPECTED   2
-#define DIALER_TIMEOUT      3
-#define DIALER_CMDFAILED    4
-
-/* define typedef for dialer function prototype */
-typedef int  (*dialerfp)(int tty, int mode, char *pScript);
-
-/* declare default chat program dialer */
-extern int chatmain(int tty, int mode, char *pScript);
-
-#endif
diff --git a/spec/build/cpukit/librtemscpu.yml b/spec/build/cpukit/librtemscpu.yml
index dea73948fc..75a1a04594 100644
--- a/spec/build/cpukit/librtemscpu.yml
+++ b/spec/build/cpukit/librtemscpu.yml
@@ -166,7 +166,6 @@ install:
   - cpukit/include/rtems/rtems-rfs-format.h
   - cpukit/include/rtems/rtems-rfs-shell.h
   - cpukit/include/rtems/rtems-rfs.h
-  - cpukit/include/rtems/rtemsdialer.h
   - cpukit/include/rtems/scheduler.h
   - cpukit/include/rtems/serial_mouse.h
   - cpukit/include/rtems/seterr.h