diff --git a/mercurial/httprepo.py b/mercurial/httprepo.py
--- a/mercurial/httprepo.py
+++ b/mercurial/httprepo.py
@@ -10,7 +10,7 @@ from node import bin, hex
 from remoterepo import remoterepository
 from i18n import _
 import repo, os, urllib, urllib2, urlparse, zlib, util, httplib
-import errno, keepalive, socket, changegroup, version
+import errno, keepalive, socket, changegroup
 
 class passwordmgr(urllib2.HTTPPasswordMgrWithDefaultRealm):
     def __init__(self, ui):
@@ -268,7 +268,7 @@ class httprepository(remoterepository):
         opener = urllib2.build_opener(*handlers)
 
         # 1.0 here is the _protocol_ version
-        opener.addheaders = [('User-agent', version.get_useragent())]
+        opener.addheaders = [('User-agent', 'mercurial/proto-1.0')]
         urllib2.install_opener(opener)
 
     def url(self):
diff --git a/mercurial/version.py b/mercurial/version.py
--- a/mercurial/version.py
+++ b/mercurial/version.py
@@ -10,7 +10,6 @@ Mercurial version
 """
 
 import os
-import sys
 import re
 import time
 
@@ -28,16 +27,6 @@ def get_version(doreload=False):
         version = unknown_version
     return version
 
-def get_useragent():
-    """Return some extended version information for the User-Agent
-    field in http requests."""
-    hgver = get_version()
-    pyver = '%s(%s)' % (sys.version.split()[0], hex(sys.hexversion))
-    ostype = os.name
-    plat = sys.platform
-    return 'mercurial/proto-1.0 (Python/%s; Mercurial/%s; %s/%s)' % \
-           (pyver, hgver, ostype, plat)
-
 def write_version(version):
     """Overwrite version file."""
     if version == get_version():