diff --git a/spacy/vocab.pyx b/spacy/vocab.pyx
index a0a07f305..5946d8169 100644
--- a/spacy/vocab.pyx
+++ b/spacy/vocab.pyx
@@ -110,20 +110,21 @@ cdef class Vocab:
         # TODO: This is hopelessly broken. The state is transferred as just 
         # a temp directory! We then fail to clean this up. This method therefore
         # only pretends to work. What we need to do is form an archive file.
-        tmp_dir = tempfile.mkdtemp()
-        lex_loc = path.join(tmp_dir, 'lexemes.bin')
-        str_loc = path.join(tmp_dir, 'strings.json')
-        vec_loc = path.join(tmp_dir, 'vec.bin')
+        raise NotImplementedError
+        #tmp_dir = tempfile.mkdtemp()
+        #lex_loc = path.join(tmp_dir, 'lexemes.bin')
+        #str_loc = path.join(tmp_dir, 'strings.json')
+        #vec_loc = path.join(tmp_dir, 'vec.bin')
 
-        self.dump(lex_loc)
-        with io.open(str_loc, 'w', encoding='utf8') as file_:
-            self.strings.dump(file_)
+        #self.dump(lex_loc)
+        #with io.open(str_loc, 'w', encoding='utf8') as file_:
+        #    self.strings.dump(file_)
 
-        self.dump_vectors(vec_loc)
-        
-        state = (str_loc, lex_loc, vec_loc, self.morphology, self.get_lex_attr,
-                 self.serializer_freqs, self.data_dir)
-        return (unpickle_vocab, state, None, None)
+        #self.dump_vectors(vec_loc)
+        #
+        #state = (str_loc, lex_loc, vec_loc, self.morphology, self.get_lex_attr,
+        #         self.serializer_freqs, self.data_dir)
+        #return (unpickle_vocab, state, None, None)
 
     cdef const LexemeC* get(self, Pool mem, unicode string) except NULL:
         '''Get a pointer to a LexemeC from the lexicon, creating a new Lexeme