diff --git a/setup.py b/setup.py
index b1897851c..71a6eb58b 100644
--- a/setup.py
+++ b/setup.py
@@ -57,18 +57,13 @@ exts = [
     Extension("spacy.tagger", ["spacy/tagger.pyx"], **ext_args),
     Extension("spacy.tokenizer", ["spacy/tokenizer.pyx"], **ext_args),
     Extension("spacy.en.lang", ["spacy/en/lang.pyx"], **ext_args),
+    Extension("spacy.en.attrs", ["spacy/en/attrs.pyx"], **ext_args),
     Extension("spacy.en.pos", ["spacy/en/pos.pyx"], **ext_args),
+    Extension("spacy.syntax.parser", ["spacy/syntax/parser.pyx"], **ext_args),
     Extension("spacy.syntax._state", ["spacy/syntax/_state.pyx"], **ext_args),
     Extension("spacy.syntax.arc_eager", ["spacy/syntax/arc_eager.pyx"], **ext_args),
-    #Extension("spacy.syntax.parser", ["spacy/syntax/parser.pyx"], **ext_args),
-    #Extension("spacy.syntax.parser", ["spacy/syntax/parser.pyx"], language="c++",
-    #          include_dirs=includes),
-    #Extension("spacy.syntax.arc_eager", ["spacy/syntax/arc_eager.pyx"], language="c++",
-    #          include_dirs=includes),
-    #Extension("spacy.syntax._state", ["spacy/syntax/_state.pyx"], language="c++",
-    #          include_dirs=includes),
-    # Extension("spacy.syntax._parse_features", ["spacy/syntax/_parse_features.pyx"], language="c++",
-    #          include_dirs=includes),
+    Extension("spacy.syntax._parse_features", ["spacy/syntax/_parse_features.pyx"],
+              **ext_args)
     
     #Extension("spacy.pos_feats", ["spacy/pos_feats.pyx"], language="c++", include_dirs=includes),
     #Extension("spacy.ner._state", ["spacy/ner/_state.pyx"], language="c++", include_dirs=includes),