diff --git a/README b/README
index d36779a..9a655e8 100644
--- a/README
+++ b/README
@@ -1,10 +1,12 @@
+:: WARNING ::
+This driver is no longer supported or recommended. See https://github.com/zodb/relstorage/issues/264
+
 :: Description ::
-A fast MySQL driver written in pure C/C++ for Python. 
+A fast MySQL driver written in pure C/C++ for Python.
 Compatible with gevent through monkey patching
 
 :: Requirements ::
-Requires Python (http://www.python.org) 
+Requires Python (http://www.python.org)
 
 :: Installation ::
 python setup.py build install
-
diff --git a/python/umysql.c b/python/umysql.c
index 2564e97..c568ed3 100644
--- a/python/umysql.c
+++ b/python/umysql.c
@@ -769,11 +769,12 @@ PyObject *Connection_isConnected(Connection *self, PyObject *args)
   Py_RETURN_FALSE;
 }
 
+#ifndef PYPY_VERSION
 PyObject *PyUnicode_EncodeCP1250Helper(const Py_UNICODE *data, Py_ssize_t length, const char *errors)
 {
   return PyUnicode_Encode (data, length, "cp1250", errors);
 }
-
+#endif
 
 PyObject *HandleError(Connection *self, const char *funcName)
 {
@@ -878,8 +879,12 @@ PyObject *Connection_connect(Connection *self, PyObject *args)
         else
           if (strcmp (pstrCharset, "cp1250") == 0)
           {
+#ifndef PYPY_VERSION
             self->charset = MCS_cp1250_general_ci;
             self->PFN_PyUnicode_Encode = PyUnicode_EncodeCP1250Helper;
+#else
+            return PyErr_Format (PyExc_ValueError, "Unsupported character set '%s' specified", pstrCharset);
+#endif
           }
           else
             if (strcmp (pstrCharset, "utf8mb4") == 0)
@@ -1093,7 +1098,7 @@ PyObject *EscapeQueryArguments(Connection *self, PyObject *inQuery, PyObject *it
   {
     /*
     FIXME: Allocate a PyString and resize it just like the Python code does it */
-    obuffer = (char *) PyObject_Malloc(cbOutQuery);
+    obuffer = (char *) PyMem_Malloc(cbOutQuery);
     heap = 1;
   }
   else
@@ -1124,7 +1129,7 @@ PyObject *EscapeQueryArguments(Connection *self, PyObject *inQuery, PyObject *it
       if (*iptr != 's' && *iptr != '%')
       {
         Py_DECREF(iterator);
-        if (heap) PyObject_Free(obuffer);
+        if (heap) PyMem_Free(obuffer);
         return PyErr_Format (PyExc_ValueError, "Found character %c expected %%", *iptr);
       }
 
diff --git a/setup.py b/setup.py
index 81383bc..58b6918 100644
--- a/setup.py
+++ b/setup.py
@@ -68,6 +68,8 @@
 Programming Language :: Python
 Topic :: Database
 Topic :: Software Development :: Libraries :: Python Modules
+Programming Language :: Python :: Implementation :: CPython
+Programming Language :: Python :: Implementation :: PyPy
 """.splitlines()))
 
 """
@@ -75,13 +77,13 @@
 	shutil.rmtree("./build")
 except(OSError):
 	pass
-"""    
-    
+"""
+
 libs = []
 
 if sys.platform != "win32":
     libs.append("stdc++")
-    
+
 if sys.platform == "win32":
     libs.append("ws2_32")
 
@@ -92,16 +94,16 @@
                 library_dirs = [],
                 libraries=libs,
                 define_macros=[('WIN32_LEAN_AND_MEAN', None)])
-					
+
 setup (name = 'umysql',
-       version = "2.61",
+       version = "2.62.dev0",
        description = "Ultra fast MySQL driver for Python",
        ext_modules = [module1],
        author="Jonas Tarnstrom",
        author_email="jonas.tarnstrom@esn.me",
        download_url="http://github.com/esnme/ultramysql",
        license="BSD License",
-       platforms=['any'],	   
+       platforms=['any'],
 	   url="http://www.esn.me",
        classifiers=CLASSIFIERS,
-	   )       
+	   )