diff --git a/aclocal.m4 b/aclocal.m4
index 4d967cbf27d9..52398cf6224c 100644
--- a/aclocal.m4
+++ b/aclocal.m4
@@ -3,7 +3,6 @@ dnl Local autoconf macros used with mozilla
 dnl The contents of this file are under the Public Domain.
 dnl
 
-builtin(include, build/autoconf/hooks.m4)dnl
 builtin(include, build/autoconf/config.status.m4)dnl
 builtin(include, build/autoconf/toolchain.m4)dnl
 builtin(include, build/autoconf/ccache.m4)dnl
diff --git a/build/autoconf/hooks.m4 b/build/autoconf/hooks.m4
deleted file mode 100644
index 17176bbc40bc..000000000000
--- a/build/autoconf/hooks.m4
+++ /dev/null
@@ -1,26 +0,0 @@
-dnl This Source Code Form is subject to the terms of the Mozilla Public
-dnl License, v. 2.0. If a copy of the MPL was not distributed with this
-dnl file, You can obtain one at http://mozilla.org/MPL/2.0/.
-
-dnl Output the contents of config.log when configure exists with an
-dnl error code.
-define([MOZ_CONFIG_LOG_TRAP],
-[changequote(<<<, >>>)dnl
-trap '[ "$?" != 0 ] && echo "------ config.log ------" && tail -n 25 config.log' EXIT
-changequote([, ])dnl
-])
-
-dnl Wrap AC_INIT_PREPARE to add the above trap.
-define([_MOZ_AC_INIT_PREPARE], defn([AC_INIT_PREPARE]))
-define([AC_INIT_PREPARE],
-[_MOZ_AC_INIT_PREPARE($1)
-MOZ_CONFIG_LOG_TRAP
-])
-
-dnl Disable the trap when running sub-configures.
-define([_MOZ_AC_OUTPUT_SUBDIRS], defn([AC_OUTPUT_SUBDIRS]))
-define([AC_OUTPUT_SUBDIRS],
-[trap '' EXIT
-_MOZ_AC_OUTPUT_SUBDIRS($1)
-MOZ_CONFIG_LOG_TRAP
-])
diff --git a/js/src/aclocal.m4 b/js/src/aclocal.m4
index f2f94aa8f75e..afa827187503 100644
--- a/js/src/aclocal.m4
+++ b/js/src/aclocal.m4
@@ -3,7 +3,6 @@ dnl Local autoconf macros used with mozilla
 dnl The contents of this file are under the Public Domain.
 dnl
 
-builtin(include, build/autoconf/hooks.m4)dnl
 builtin(include, build/autoconf/config.status.m4)dnl
 builtin(include, build/autoconf/toolchain.m4)dnl
 builtin(include, build/autoconf/ccache.m4)dnl
diff --git a/js/src/build/autoconf/hooks.m4 b/js/src/build/autoconf/hooks.m4
deleted file mode 100644
index 17176bbc40bc..000000000000
--- a/js/src/build/autoconf/hooks.m4
+++ /dev/null
@@ -1,26 +0,0 @@
-dnl This Source Code Form is subject to the terms of the Mozilla Public
-dnl License, v. 2.0. If a copy of the MPL was not distributed with this
-dnl file, You can obtain one at http://mozilla.org/MPL/2.0/.
-
-dnl Output the contents of config.log when configure exists with an
-dnl error code.
-define([MOZ_CONFIG_LOG_TRAP],
-[changequote(<<<, >>>)dnl
-trap '[ "$?" != 0 ] && echo "------ config.log ------" && tail -n 25 config.log' EXIT
-changequote([, ])dnl
-])
-
-dnl Wrap AC_INIT_PREPARE to add the above trap.
-define([_MOZ_AC_INIT_PREPARE], defn([AC_INIT_PREPARE]))
-define([AC_INIT_PREPARE],
-[_MOZ_AC_INIT_PREPARE($1)
-MOZ_CONFIG_LOG_TRAP
-])
-
-dnl Disable the trap when running sub-configures.
-define([_MOZ_AC_OUTPUT_SUBDIRS], defn([AC_OUTPUT_SUBDIRS]))
-define([AC_OUTPUT_SUBDIRS],
-[trap '' EXIT
-_MOZ_AC_OUTPUT_SUBDIRS($1)
-MOZ_CONFIG_LOG_TRAP
-])