diff --git a/spacy/tests/tokenizer/test_customized_tokenizer.py b/spacy/tests/tokenizer/test_customized_tokenizer.py
index 97a7db64c..695f8c649 100644
--- a/spacy/tests/tokenizer/test_customized_tokenizer.py
+++ b/spacy/tests/tokenizer/test_customized_tokenizer.py
@@ -1,46 +1,40 @@
 # coding: utf-8
 from __future__ import unicode_literals
 
-from ... import load
+from ...lang.en import English
 from ...tokenizer import Tokenizer
 from ... import util
 
 import pytest
 
+@pytest.fixture
+def tokenizer(en_vocab):
+    prefix_re = util.compile_prefix_regex(nlp_model.Defaults.prefixes)
+    suffix_re = util.compile_suffix_regex(nlp_model.Defaults.suffixes)
+    custom_infixes = ['\.\.\.+',
+                      '(?<=[0-9])-(?=[0-9])',
+                      # '(?<=[0-9]+),(?=[0-9]+)',
+                      '[0-9]+(,[0-9]+)+',
+                      u'[\[\]!&:,()\*—–\/-]']
 
-def test_customized_tokenizer_handles_infixes():
-    def custom_tokenizer(nlp_model):
-        prefix_re = util.compile_prefix_regex(nlp_model.Defaults.prefixes)
-        suffix_re = util.compile_suffix_regex(nlp_model.Defaults.suffixes)
-        custom_infixes = ['\.\.\.+',
-                          '(?<=[0-9])-(?=[0-9])',
-                          # '(?<=[0-9]+),(?=[0-9]+)',
-                          '[0-9]+(,[0-9]+)+',
-                          u'[\[\]!&:,()\*—–\/-]']
-
-        infix_re = util.compile_infix_regex(custom_infixes)
-
-        # infix_re = re.compile(ur'[\[\]!&:,()]')
-
-        tokenizer = Tokenizer(nlp_model.vocab,
-                              nlp_model.Defaults.tokenizer_exceptions,
-                              prefix_re.search,
-                              suffix_re.search,
-                              infix_re.finditer,
-                              token_match=None)
-        return lambda text: tokenizer(text)
-
-    nlp = load('en', create_make_doc=custom_tokenizer)
+    infix_re = util.compile_infix_regex(custom_infixes)
+    return Tokenizer(en_vocab,
+                     English.Defaults.tokenizer_exceptions,
+                     prefix_re.search,
+                     suffix_re.search,
+                     infix_re.finditer,
+                     token_match=None)
 
+def test_customized_tokenizer_handles_infixes(tokenizer):
     sentence = "The 8 and 10-county definitions are not used for the greater Southern California Megaregion."
-    context = [word.text for word in nlp(sentence)]
+    context = [word.text for word in tokenizer(sentence)]
     assert context == [u'The', u'8', u'and', u'10', u'-', u'county', u'definitions', u'are', u'not', u'used',
                        u'for',
                        u'the', u'greater', u'Southern', u'California', u'Megaregion', u'.']
 
     # the trailing '-' may cause Assertion Error
     sentence = "The 8- and 10-county definitions are not used for the greater Southern California Megaregion."
-    context = [word.text for word in nlp(sentence)]
+    context = [word.text for word in tokenizer(sentence)]
     assert context == [u'The', u'8', u'-', u'and', u'10', u'-', u'county', u'definitions', u'are', u'not', u'used',
                        u'for',
                        u'the', u'greater', u'Southern', u'California', u'Megaregion', u'.']