diff --git a/deep_speech_2/model_utils/tests/test_decoders.py b/deep_speech_2/decoders/tests/test_decoders.py
similarity index 93%
rename from deep_speech_2/model_utils/tests/test_decoders.py
rename to deep_speech_2/decoders/tests/test_decoders.py
index adf36eefc3810006b7a571f3c11771201b1a1dce..d522b5efa0b1eb821b9b2fb7616b298af57f60a7 100644
--- a/deep_speech_2/model_utils/tests/test_decoders.py
+++ b/deep_speech_2/decoders/tests/test_decoders.py
@@ -4,7 +4,7 @@ from __future__ import division
 from __future__ import print_function
 
 import unittest
-from model_utils import decoder
+from decoders import decoders_deprecated as decoder
 
 
 class TestDecoders(unittest.TestCase):
@@ -66,16 +66,14 @@ class TestDecoders(unittest.TestCase):
         beam_result = decoder.ctc_beam_search_decoder(
             probs_seq=self.probs_seq1,
             beam_size=self.beam_size,
-            vocabulary=self.vocab_list,
-            blank_id=len(self.vocab_list))
+            vocabulary=self.vocab_list)
         self.assertEqual(beam_result[0][1], self.beam_search_result[0])
 
     def test_beam_search_decoder_2(self):
         beam_result = decoder.ctc_beam_search_decoder(
             probs_seq=self.probs_seq2,
             beam_size=self.beam_size,
-            vocabulary=self.vocab_list,
-            blank_id=len(self.vocab_list))
+            vocabulary=self.vocab_list)
         self.assertEqual(beam_result[0][1], self.beam_search_result[1])
 
     def test_beam_search_decoder_batch(self):
@@ -83,7 +81,6 @@ class TestDecoders(unittest.TestCase):
             probs_split=[self.probs_seq1, self.probs_seq2],
             beam_size=self.beam_size,
             vocabulary=self.vocab_list,
-            blank_id=len(self.vocab_list),
             num_processes=24)
         self.assertEqual(beam_results[0][0][1], self.beam_search_result[0])
         self.assertEqual(beam_results[1][0][1], self.beam_search_result[1])