diff --git a/TTS/tts/utils/generic_utils.py b/TTS/tts/utils/generic_utils.py
index 183f5b90..41efa210 100644
--- a/TTS/tts/utils/generic_utils.py
+++ b/TTS/tts/utils/generic_utils.py
@@ -122,8 +122,6 @@ def setup_model(num_chars, num_speakers, c, speaker_embedding_dim=None):
                         num_splits=4,
                         num_sqz=2,
                         sigmoid_scale=False,
-                        rel_attn_window_size=4,
-                        input_length=None,
                         mean_only=True,
                         hidden_channels_enc=192,
                         hidden_channels_dec=192,