diff --git a/gdb/Makefile.in b/gdb/Makefile.in
index 25067f1..8b0b768 100644
--- a/gdb/Makefile.in
+++ b/gdb/Makefile.in
@@ -772,7 +772,7 @@ c-lang.h d-lang.h frame.h event-loop.h block.h cli/cli-setshow.h	\
 cli/cli-decode.h cli/cli-cmds.h cli/cli-dump.h cli/cli-utils.h \
 cli/cli-script.h macrotab.h symtab.h version.h gnulib/wchar.in.h \
 gnulib/string.in.h gnulib/str-two-way.h \
-gnulib/stdint.in.h remote.h gdb.h sparc-nat.h \
+gnulib/stdint.in.h remote.h sparc-nat.h \
 gdbthread.h dwarf2-frame.h dwarf2-frame-tailcall.h nbsd-nat.h dcache.h \
 amd64-nat.h s390-tdep.h arm-linux-tdep.h exceptions.h macroscope.h \
 gdbarch.h bsd-uthread.h gdb_stat.h memory-map.h	memrange.h \
diff --git a/gdb/doc/gdbint.texinfo b/gdb/doc/gdbint.texinfo
index 136f77f..1dd8a57 100644
--- a/gdb/doc/gdbint.texinfo
+++ b/gdb/doc/gdbint.texinfo
@@ -1769,8 +1769,6 @@ Observer - @file{gdb-events.h}.
 Builder - @file{ui-out.h}
 @item
 Event Loop - @file{event-loop.h}
-@item
-Library - @file{gdb.h}
 @end itemize
 
 The model that ties these components together is described below.
@@ -1853,12 +1851,6 @@ The event-loop will eventually be made re-entrant.  This is so that
 @value{GDBN} can better handle the problem of some commands blocking
 instead of returning.
 
-@subheading Library - @file{gdb.h}
-@file{libgdb} is the most obvious component of this system.  It provides
-the query interface.  Each function is parameterized by a @code{ui-out}
-builder.  The result of the query is constructed using that builder
-before the query function returns.
-
 @node Values
 @chapter Values
 @section Values
diff --git a/gdb/gdb.h b/gdb/gdb.h
deleted file mode 100644
index 97b787d..0000000
--- a/gdb/gdb.h
+++ /dev/null
@@ -1,44 +0,0 @@
-/* Library interface into GDB.
-   Copyright (C) 1999, 2001, 2007-2012 Free Software Foundation, Inc.
-
-   This file is part of GDB.
-
-   This program is free software; you can redistribute it and/or modify
-   it under the terms of the GNU General Public License as published by
-   the Free Software Foundation; either version 3 of the License, or
-   (at your option) any later version.
-
-   This program 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 General Public License for more details.
-
-   You should have received a copy of the GNU General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
-
-#ifndef GDB_H
-#define GDB_H
-
-struct ui_out;
-
-/* Return-code (RC) from a gdb library call.  (The abreviation RC is
-   taken from the sim/common directory.) */
-
-enum gdb_rc {
-  /* The operation failed.  The failure message can be fetched by
-     calling ``char *error_last_message(void)''.  The value is
-     determined by the catch_errors() interface.  The MSG parameter is
-     set to a freshly allocated copy of the error message.  */
-  /* NOTE: Since ``defs.h:catch_errors()'' does not return an error /
-     internal / quit indication it is not possible to return that
-     here.  */
-  GDB_RC_FAIL = 0,
-  /* No error occured but nothing happened.  Due to the catch_errors()
-     interface, this must be non-zero.  */
-  GDB_RC_NONE = 1,
-  /* The operation was successful.  Due to the catch_errors()
-     interface, this must be non-zero.  */
-  GDB_RC_OK = 2
-};
-
-#endif