diff --git a/spacy/syntax/ner.pyx b/spacy/syntax/ner.pyx
index 1a174aba8..d8c748099 100644
--- a/spacy/syntax/ner.pyx
+++ b/spacy/syntax/ner.pyx
@@ -219,28 +219,28 @@ cdef class BiluoPushDown(TransitionSystem):
             raise Exception(move)
         return t
 
-    def add_action(self, int action, label_name):
-        cdef attr_t label_id
-        if not isinstance(label_name, (int, long)):
-            label_id = self.strings.add(label_name)
-        else:
-            label_id = label_name
-        if action == OUT and label_id != 0:
-            return
-        if action == MISSING or action == ISNT:
-            return
-        # Check we're not creating a move we already have, so that this is
-        # idempotent
-        for trans in self.c[:self.n_moves]:
-            if trans.move == action and trans.label == label_id:
-                return 0
-        if self.n_moves >= self._size:
-            self._size *= 2
-            self.c = <Transition*>self.mem.realloc(self.c, self._size * sizeof(self.c[0]))
-        self.c[self.n_moves] = self.init_transition(self.n_moves, action, label_id)
-        assert self.c[self.n_moves].label == label_id
-        self.n_moves += 1
-        return 1
+    #def add_action(self, int action, label_name):
+    #    cdef attr_t label_id
+    #    if not isinstance(label_name, (int, long)):
+    #        label_id = self.strings.add(label_name)
+    #    else:
+    #        label_id = label_name
+    #    if action == OUT and label_id != 0:
+    #        return
+    #    if action == MISSING or action == ISNT:
+    #        return
+    #    # Check we're not creating a move we already have, so that this is
+    #    # idempotent
+    #    for trans in self.c[:self.n_moves]:
+    #        if trans.move == action and trans.label == label_id:
+    #            return 0
+    #    if self.n_moves >= self._size:
+    #        self._size *= 2
+    #        self.c = <Transition*>self.mem.realloc(self.c, self._size * sizeof(self.c[0]))
+    #    self.c[self.n_moves] = self.init_transition(self.n_moves, action, label_id)
+    #    assert self.c[self.n_moves].label == label_id
+    #    self.n_moves += 1
+    #    return 1