diff --git a/config/predictor.yaml b/config/predictor.yaml
index df973fdf..41224b2b 100644
--- a/config/predictor.yaml
+++ b/config/predictor.yaml
@@ -26,7 +26,6 @@ system:
 
     model:
         encoder:
-            encode_source: false
             hidden_size: 400
             rnn_layers: 2
             embeddings: