diff --git a/files/slave_scripts/pypi-extract-metadata.py b/files/slave_scripts/pypi-extract-metadata.py
deleted file mode 100644
index f400f02..0000000
--- a/files/slave_scripts/pypi-extract-metadata.py
+++ /dev/null
@@ -1,56 +0,0 @@
-#!/usr/bin/python
-#
-# Copyright 2012  Hewlett-Packard Development Company, L.P.
-#
-# Licensed under the Apache License, Version 2.0 (the "License"); you may
-# not use this file except in compliance with the License. You may obtain
-# a copy of the License at
-#
-#      http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
-# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
-# License for the specific language governing permissions and limitations
-# under the License.
-#
-# Extract package info metadata for use by curl.
-
-import pkginfo
-import sys
-
-if len(sys.argv) < 3:
-    exit()
-
-info = pkginfo.SDist(sys.argv[1])
-curl_config = open(sys.argv[2], 'w')
-
-meta_items = {
-    'metadata_version': info.metadata_version,
-    'summary': info.summary,
-    'home_page': info.home_page,
-    'author': info.author,
-    'author_email': info.author_email,
-    'license': info.license,
-    'description': info.description,
-    'keywords': info.keywords,
-    'platform': info.platforms,
-    'classifiers': info.classifiers,
-    'download_url': info.download_url,
-    'provides': info.provides,
-    'requires': info.requires,
-    'obsoletes': info.obsoletes,
-}
-
-for key, value in meta_items.items():
-    if not value:
-        continue
-    if not isinstance(value, list):
-        value = [value]
-    for v in value:
-        v = v.replace('\n', r'\n')
-        v = v.replace('"', r'\"')
-        curl_config.write('form = "%s=%s"\n' % (key, v))
-
-curl_config.write('\n')
-curl_config.close()
diff --git a/files/slave_scripts/pypi-upload.sh b/files/slave_scripts/pypi-upload.sh
index 66d4ed5..19e5f62 100755
--- a/files/slave_scripts/pypi-upload.sh
+++ b/files/slave_scripts/pypi-upload.sh
@@ -33,20 +33,4 @@ curl --fail -o $FILENAME http://$TARBALL_SITE/$PROJECT/$FILENAME
 # Make sure we actually got a gzipped file
 file -b $FILENAME | grep gzip
 
-MD5_DIGEST=`md5sum ${FILENAME} | cut -d' ' -f1`
-
-/usr/local/jenkins/slave_scripts/pypi-extract-metadata.py $FILENAME metadata.curl
-
-# Turn off xtrace and mute curl, since under some circumstances API
-# errors may leak authentication credentials
-set +x
-curl --config /home/jenkins/.pypicurl \
-     --config metadata.curl \
-     -F "filetype=sdist" \
-     -F "content=@${FILENAME};filename=${FILENAME}" \
-     -F ":action=file_upload" \
-     -F "protocol_version=1" \
-     -F "name=${DISTNAME}" \
-     -F "version=${TAG}" \
-     -F "md5_digest=${MD5_DIGEST}" \
-     https://pypi.python.org/pypi > /dev/null 2>&1
+twine upload $FILENAME