diff --git a/src/android/android.gyp b/src/android/android.gyp
index 5c396d5..8b11a31 100644
--- a/src/android/android.gyp
+++ b/src/android/android.gyp
@@ -532,7 +532,6 @@
       'target_name': 'subset_font',
       'type': 'none',
       'dependencies': [
-        # TODO(komatsu): Is it better to move android_base.gyp?
         'resources/resources.gyp:copy_asis_svg',
         'resources/resources.gyp:transform_template_svg',
       ],
diff --git a/src/android/android_base.gyp b/src/android/android_base.gyp
deleted file mode 100644
index 83f02f6..0000000
--- a/src/android/android_base.gyp
+++ /dev/null
@@ -1,47 +0,0 @@
-# Copyright 2010-2015, Google Inc.
-# All rights reserved.
-#
-# Redistribution and use in source and binary forms, with or without
-# modification, are permitted provided that the following conditions are
-# met:
-#
-#     * Redistributions of source code must retain the above copyright
-# notice, this list of conditions and the following disclaimer.
-#     * Redistributions in binary form must reproduce the above
-# copyright notice, this list of conditions and the following disclaimer
-# in the documentation and/or other materials provided with the
-# distribution.
-#     * Neither the name of Google Inc. nor the names of its
-# contributors may be used to endorse or promote products derived from
-# this software without specific prior written permission.
-#
-# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-# android_base.gyp defines targets for lower layers to link to the android
-# modules, so modules in lower layers do not depend on ones in higher layers,
-# avoiding circular dependencies.
-{
-  'variables': {
-    'relative_dir': 'android',
-    'gen_out_dir': '<(SHARED_INTERMEDIATE_DIR)/<(relative_dir)',
-  },
-  'targets': [
-    {
-      'target_name': 'android_sysconf',
-      'type': 'static_library',
-      'sources': [
-        'jni/sysconf.cc',
-      ],
-    },
-  ],
-}
diff --git a/src/android/jni/sysconf.cc b/src/android/jni/sysconf.cc
deleted file mode 100644
index 1b2738e..0000000
--- a/src/android/jni/sysconf.cc
+++ /dev/null
@@ -1,59 +0,0 @@
-// Copyright 2010-2015, Google Inc.
-// All rights reserved.
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-//     * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-//     * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following disclaimer
-// in the documentation and/or other materials provided with the
-// distribution.
-//     * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived from
-// this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-#include "android/jni/sysconf.h"
-
-#include <cstdlib>
-#include <fstream>
-#include <string>
-#include <unistd.h>
-
-extern "C" {
-
-int mysysconf(int name) {
-  if (name == _SC_PHYS_PAGES) {
-    std::ifstream ifs("/proc/meminfo");
-    if (!ifs) {
-      return -2;
-    }
-
-    long size = -3;
-    std::string line;
-    while (std::getline(ifs, line)) {
-      if (std::sscanf(line.c_str(), "MemTotal: %ld kB", &size) == 1) {
-        break;
-      }
-    }
-    ifs.close();
-    return size;
-  }
-  return sysconf(name);
-}
-
-}  // extern "C"
diff --git a/src/android/jni/sysconf.h b/src/android/jni/sysconf.h
deleted file mode 100644
index 14dd3ab..0000000
--- a/src/android/jni/sysconf.h
+++ /dev/null
@@ -1,43 +0,0 @@
-// Copyright 2010-2015, Google Inc.
-// All rights reserved.
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-//     * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-//     * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following disclaimer
-// in the documentation and/or other materials provided with the
-// distribution.
-//     * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived from
-// this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-// Thin wrapper of sysconf. Because sysconf in android has a bug, we need to
-// avoid it. Mozc uses only _SC_PHYS_PAGES, so this fixes just it.
-// To apply this fix, put
-//   #define sysconf mysysconf.
-// just after including the header.
-
-#ifndef MOZC_ANDROID_JNI_SYSCONF_H_
-#define MOZC_ANDROID_JNI_SYSCONF_H_
-
-extern "C" {
-  int mysysconf(int name);
-}
-
-#endif  // MOZC_ANDROID_JNI_SYSCONF_H_
diff --git a/src/base/base.gyp b/src/base/base.gyp
index 3ad72bf..d46cb13 100644
--- a/src/base/base.gyp
+++ b/src/base/base.gyp
@@ -164,9 +164,6 @@
           'sources': [
             'android_util.cc',
           ],
-          'dependencies': [
-            '../android/android_base.gyp:android_sysconf',
-          ],
         }],
         ['target_platform=="NaCl" and _toolset=="target"', {
           'sources': [
diff --git a/src/base/system_util.cc b/src/base/system_util.cc
index eefe82f..02f9f90 100644
--- a/src/base/system_util.cc
+++ b/src/base/system_util.cc
@@ -66,9 +66,6 @@
 #include "base/win_util.h"
 
 #ifdef OS_ANDROID
-// HACK to avoid a bug in sysconf in android.
-#include "android/jni/sysconf.h"
-#define sysconf mysysconf
 #include "base/android_util.h"
 #endif  // OS_ANDROID
 
diff --git a/src/mozc_version_template.txt b/src/mozc_version_template.txt
index a575df6..3a5c1a0 100644
--- a/src/mozc_version_template.txt
+++ b/src/mozc_version_template.txt
@@ -1,6 +1,6 @@
 MAJOR=2
 MINOR=16
-BUILD=2056
+BUILD=2057
 REVISION=102
 # NACL_DICTIONARY_VERSION is the target version of the system dictionary to be
 # downloaded by NaCl Mozc.