diff --git a/bin/parser/train.py b/bin/parser/train.py
index 63b0d47bb..5d588a317 100755
--- a/bin/parser/train.py
+++ b/bin/parser/train.py
@@ -17,6 +17,7 @@ import spacy.util
 from spacy.syntax.util import Config
 from spacy.gold import read_json_file
 from spacy.gold import GoldParse
+from spacy.gold import merge_sents
 
 from spacy.scorer import Scorer
 
@@ -63,22 +64,6 @@ def score_model(scorer, nlp, raw_text, annot_tuples, verbose=False):
     scorer.score(tokens, gold, verbose=verbose)
 
 
-def _merge_sents(sents):
-    m_deps = [[], [], [], [], [], []]
-    m_brackets = []
-    i = 0
-    for (ids, words, tags, heads, labels, ner), brackets in sents:
-        m_deps[0].extend(id_ + i for id_ in ids)
-        m_deps[1].extend(words)
-        m_deps[2].extend(tags)
-        m_deps[3].extend(head + i for head in heads)
-        m_deps[4].extend(labels)
-        m_deps[5].extend(ner)
-        m_brackets.extend((b['first'] + i, b['last'] + i, b['label']) for b in brackets)
-        i += len(ids)
-    return [(m_deps, m_brackets)]
-
-
 def train(Language, train_data, dev_data, model_dir, tagger_cfg, parser_cfg, entity_cfg,
         n_iter=15, seed=0, gold_preproc=False, n_sents=0, corruption_level=0):
     print("Itn.\tP.Loss\tUAS\tNER F.\tTag %\tToken %")
@@ -86,10 +71,11 @@ def train(Language, train_data, dev_data, model_dir, tagger_cfg, parser_cfg, ent
     with Language.train(model_dir, train_data,
             tagger_cfg, parser_cfg, entity_cfg) as trainer:
         loss = 0
-        for itn, epoch in enumerate(trainer.epochs(n_iter, augment_data=None)):
+        for itn, epoch in enumerate(trainer.epochs(n_iter, gold_preproc=gold_preproc,
+                                                   augment_data=None)):
             for doc, gold in epoch:
                 trainer.update(doc, gold)
-            dev_scores = trainer.evaluate(dev_data)
+            dev_scores = trainer.evaluate(dev_data, gold_preproc=gold_preproc)
             print(format_str.format(itn, loss, **dev_scores.scores))
 
 
@@ -105,7 +91,7 @@ def evaluate(Language, gold_tuples, model_dir, gold_preproc=False, verbose=False
         if gold_preproc:
             raw_text = None
         else:
-            sents = _merge_sents(sents)
+            sents = merge_sents(sents)
         for annot_tuples, brackets in sents:
             if raw_text is None:
                 tokens = nlp.tokenizer.tokens_from_list(annot_tuples[1])