diff --git a/libweave/README b/libweave/README
index d8fbd3f..7e519b9 100644
--- a/libweave/README
+++ b/libweave/README
@@ -27,23 +27,13 @@
 Example of device code:
   examples/
 
-Optional dependencies:
-  external/
+Dependencies:
   third_party/
 
 Build files:
   libweave_standalone.gyp
   libweave_common.gypi
 
-ChromiumOS specific build files:
-  libweave-test.pc.in
-  libweave.pc.in
-  platform2.gyp
-  platform2_preinstall.sh
-
-AOSP specific build files:
-  Android.mk
-
 Quick start on Ubuntu
 ---------------------
 
diff --git a/libweave/platform2.gyp b/libweave/platform2.gyp
deleted file mode 100644
index 964dc57..0000000
--- a/libweave/platform2.gyp
+++ /dev/null
@@ -1,188 +0,0 @@
-# Copyright 2015 The Weave Authors. All rights reserved.
-# Use of this source code is governed by a BSD-style license that can be
-# found in the LICENSE file.
-{
-  'includes': [
-    'libweave.gypi',
-  ],
-  'target_defaults': {
-    'variables': {
-      'deps': [
-        'expat',
-        'libcrypto',
-      ],
-    },
-    'include_dirs': [
-      '<(platform2_root)/../weave/libweave/libweave',
-      '<(platform2_root)/../weave/libweave/libweave/include',
-      '<(platform2_root)/../weave/libweave/libweave/third_party/modp_b64/modp_b64/',
-    ],
-  },
-  'targets': [
-    {
-      'target_name': 'libweave_common',
-      'type': 'static_library',
-      'cflags!': ['-fPIE'],
-      'cflags': ['-fPIC'],
-      'variables': {
-        'deps': [
-          'libchrome-<(libbase_ver)',
-        ],
-      },
-      'sources': [
-        '<@(weave_sources)',
-      ],
-    },
-    {
-      'target_name': 'libweave-<(libbase_ver)',
-      'type': 'shared_library',
-      'variables': {
-        'deps': [
-          'libchrome-<(libbase_ver)',
-        ],
-      },
-      'includes': [
-        '../../../platform2/common-mk/deps.gypi',
-      ],
-      'dependencies': [
-        'libweave_common',
-      ],
-      'sources': [
-        'src/empty.cc'
-      ],
-    },
-    {
-      'target_name': 'libweave-test-<(libbase_ver)',
-      'type': 'static_library',
-      'standalone_static_library': 1,
-      'variables': {
-        'deps': [
-          'libchrome-<(libbase_ver)',
-        ],
-      },
-      'sources': [
-        '<@(weave_test_sources)',
-      ],
-      'includes': ['../../../platform2/common-mk/deps.gypi'],
-    },
-    {
-      'target_name': 'libweave_base_common',
-      'type': 'static_library',
-      'cflags!': ['-fPIE'],
-      'cflags': [
-        '-fPIC',
-        '-Wno-format-nonliteral',
-        '-Wno-char-subscripts',
-        '-Wno-deprecated-register',
-      ],
-      'include_dirs': [
-        '../libweave/external',
-      ],
-      'sources': [
-        '<@(weave_sources)',
-        '<@(base_sources)',
-      ],
-    },
-    {
-      'target_name': 'libweave_base',
-      'type': 'shared_library',
-      'include_dirs': [
-        '../libweave/external',
-      ],
-      'includes': [
-        '../../../platform2/common-mk/deps.gypi',
-      ],
-      'dependencies': [
-        'libweave_base_common',
-      ],
-      'sources': [
-        'src/empty.cc'
-      ],
-    },
-    {
-      'target_name': 'libweave_base-test',
-      'type': 'static_library',
-      'standalone_static_library': 1,
-      'include_dirs': [
-        '../libweave/external',
-      ],
-      'sources': [
-        '<@(weave_test_sources)',
-      ],
-      'includes': ['../../../platform2/common-mk/deps.gypi'],
-    },
-  ],
-  'conditions': [
-    ['USE_test == 1', {
-      'targets': [
-        {
-          'target_name': 'libweave_testrunner',
-          'type': 'executable',
-          'variables': {
-            'deps': [
-              'libchrome-<(libbase_ver)',
-            ],
-          },
-          'dependencies': [
-            'libweave_common',
-            'libweave-test-<(libbase_ver)',
-          ],
-          'includes': ['../../../platform2/common-mk/common_test.gypi'],
-          'sources': [
-            '<@(weave_unittest_sources)',
-          ],
-        },
-        {
-          'target_name': 'libweave_base_testrunner',
-          'type': 'executable',
-          'cflags': ['-Wno-format-nonliteral'],
-          'include_dirs': [
-            '../libweave/external',
-          ],
-          'dependencies': [
-            'libweave_base_common',
-            'libweave_base-test',
-          ],
-          'includes': ['../../../platform2/common-mk/common_test.gypi'],
-          'sources': [
-            '<@(weave_unittest_sources)',
-            '<@(base_unittests)',
-          ],
-        },
-        {
-          'target_name': 'libweave_exports_testrunner',
-          'type': 'executable',
-          'variables': {
-            'deps': [
-              'libchrome-<(libbase_ver)',
-            ],
-          },
-          'dependencies': [
-            'libweave-<(libbase_ver)',
-            'libweave-test-<(libbase_ver)',
-          ],
-          'includes': ['../../../platform2/common-mk/common_test.gypi'],
-          'sources': [
-            '<@(weave_exports_unittest_sources)',
-          ],
-        },
-        {
-          'target_name': 'libweave_base_exports_testrunner',
-          'type': 'executable',
-          'cflags': ['-Wno-format-nonliteral'],
-          'include_dirs': [
-            '../libweave/external',
-          ],
-          'dependencies': [
-            'libweave_base',
-            'libweave_base-test',
-          ],
-          'includes': ['../../../platform2/common-mk/common_test.gypi'],
-          'sources': [
-            '<@(weave_exports_unittest_sources)',
-          ],
-        },
-      ],
-    }],
-  ],
-}
diff --git a/libweave/platform2_preinstall.sh b/libweave/platform2_preinstall.sh
deleted file mode 100755
index 84404d2..0000000
--- a/libweave/platform2_preinstall.sh
+++ /dev/null
@@ -1,22 +0,0 @@
-#!/bin/bash
-# Copyright 2015 The Weave Authors. All rights reserved.
-# Use of this source code is governed by a BSD-style license that can be
-# found in the LICENSE file.
-
-set -e
-
-OUT=$1
-v=$2
-
-deps=$(<"${OUT}"/gen/libweave-${v}-deps.txt)
-sed \
-  -e "s/@BSLOT@/${v}/g" \
-  -e "s/@PRIVATE_PC@/${deps}/g" \
-  "libweave.pc.in" > "${OUT}/lib/libweave-${v}.pc"
-
-
-deps_test=$(<"${OUT}"/gen/libweave-test-${v}-deps.txt)
-sed \
-  -e "s/@BSLOT@/${v}/g" \
-  -e "s/@PRIVATE_PC@/${deps_test}/g" \
-  "libweave-test.pc.in" > "${OUT}/lib/libweave-test-${v}.pc"