diff --git a/TTS/bin/find_unique_phonemes.py b/TTS/bin/find_unique_phonemes.py
index ad567434..c5501552 100644
--- a/TTS/bin/find_unique_phonemes.py
+++ b/TTS/bin/find_unique_phonemes.py
@@ -7,14 +7,16 @@ from tqdm.contrib.concurrent import process_map
 
 from TTS.config import load_config
 from TTS.tts.datasets import load_tts_samples
-from TTS.tts.utils.text import text2phone
+from TTS.tts.utils.text.phonemizers.gruut_wrapper import Gruut
+
+
+phonemizer = Gruut(language="en-us")
 
 
 def compute_phonemes(item):
     try:
         text = item[0]
-        language = item[-1]
-        ph = text2phone(text, language, use_espeak_phonemes=c.use_espeak_phonemes).split("|")
+        ph = phonemizer.phonemize(text).split("|")
     except:
         return []
     return list(set(ph))
diff --git a/tests/aux_tests/test_find_unique_phonemes.py b/tests/aux_tests/test_find_unique_phonemes.py
index fa0abe4b..fa740ba3 100644
--- a/tests/aux_tests/test_find_unique_phonemes.py
+++ b/tests/aux_tests/test_find_unique_phonemes.py
@@ -39,7 +39,6 @@ class TestFindUniquePhonemes(unittest.TestCase):
             num_eval_loader_workers=0,
             text_cleaner="english_cleaners",
             use_phonemes=True,
-            use_espeak_phonemes=True,
             phoneme_language="en-us",
             phoneme_cache_path="tests/data/ljspeech/phoneme_cache/",
             run_eval=True,
@@ -64,7 +63,6 @@ class TestFindUniquePhonemes(unittest.TestCase):
             num_eval_loader_workers=0,
             text_cleaner="english_cleaners",
             use_phonemes=True,
-            use_espeak_phonemes=False,
             phoneme_language="en-us",
             phoneme_cache_path="tests/data/ljspeech/phoneme_cache/",
             run_eval=True,