diff --git a/spacy/pipeline/coref.py b/spacy/pipeline/coref.py
index 489f8875b..ab315720f 100644
--- a/spacy/pipeline/coref.py
+++ b/spacy/pipeline/coref.py
@@ -561,9 +561,7 @@ class SpanPredictor(TrainablePipe):
                 if key.startswith(self.output_prefix):
                     for mention in sg:
                         starts.append(mention.start)
-                        # TODO check: Is the -1 here correct?
-                        # In Akos's env it works without, but in Paul's it doesn't.
-                        ends.append(mention.end - 1)
+                        ends.append(mention.end)
 
             starts = self.model.ops.xp.asarray(starts)
             ends = self.model.ops.xp.asarray(ends)