--- a/mercurial/util.py
+++ b/mercurial/util.py
@@ -243,10 +243,6 @@ def opener(base):
"""
p = base
def o(path, mode="r"):
- if p.startswith("http://"):
- f = os.path.join(p, urllib.quote(path))
- return httprangereader.httprangereader(f)
-
f = os.path.join(p, path)
mode += "b" # for that other OS