diff --git a/spacy/lemmatizer.py b/spacy/lemmatizer.py
index 312c8db72..700c7b8ea 100644
--- a/spacy/lemmatizer.py
+++ b/spacy/lemmatizer.py
@@ -100,3 +100,18 @@ def lemmatize(string, index, exceptions, rules):
     if not forms:
         forms.append(string)
     return set(forms)
+
+
+class LookupLemmatizer(Lemmatizer):
+    @classmethod
+    def load(cls, path, lookup):
+        return cls(lookup or {})
+
+    def __init__(self, lookup):
+        self.lookup = lookup
+
+    def __call__(self, string, univ_pos, morphology=None):
+        try:
+            return set([self.lookup[string]])
+        except:
+            return set([string])
diff --git a/spacy/lemmatizerlookup.py b/spacy/lemmatizerlookup.py
deleted file mode 100644
index 0c0c693c1..000000000
--- a/spacy/lemmatizerlookup.py
+++ /dev/null
@@ -1,19 +0,0 @@
-# coding: utf8
-from __future__ import unicode_literals
-
-from .lemmatizer import Lemmatizer
-
-
-class Lemmatizer(Lemmatizer):
-    @classmethod
-    def load(cls, path, lookup):
-        return cls(lookup or {})
-
-    def __init__(self, lookup):
-        self.lookup = lookup
-
-    def __call__(self, string, univ_pos, morphology=None):
-        try:
-            return set([self.lookup[string]])
-        except:
-            return set([string])
\ No newline at end of file