diff --git a/python/cppyy/__init__.py b/python/cppyy/__init__.py
index 039e1b28..bc8ca114 100644
--- a/python/cppyy/__init__.py
+++ b/python/cppyy/__init__.py
@@ -435,10 +435,3 @@ class faux_meta(type):
         def __new__(cls, name, this_bases, d):
             return nc_meta(name, bases, d)
     return type.__new__(faux_meta, 'faux_meta', (), {})
-
-
-#- workaround (TODO: may not be needed with Clang9) --------------------------
-if 'win32' in sys.platform:
-    cppdef("""template<>
-    std::basic_ostream<char, std::char_traits<char>>& __cdecl std::endl<char, std::char_traits<char>>(
-        std::basic_ostream<char, std::char_traits<char>>&);""")