diff --git a/MANIFEST.in b/MANIFEST.in
index 346c1436..3b6f33ce 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -5,6 +5,7 @@ recursive-include TTS *.json
 recursive-include TTS *.html
 recursive-include TTS *.png
 recursive-include TTS *.md
-recursive-include notebooks *.ipynb
+recursive-include TTS *.py
+recursive-include TTS *.pyx
 recursive-include images *.png
 
diff --git a/TTS/bin/synthesize.py b/TTS/bin/synthesize.py
index bb9339d5..b7ccf850 100755
--- a/TTS/bin/synthesize.py
+++ b/TTS/bin/synthesize.py
@@ -150,10 +150,6 @@ def main():
     config_path = None
     vocoder_path = None
     vocoder_config_path = None
-    model = None
-    vocoder_model = None
-    vocoder_config = None
-    vocoder_ap = None
 
     # CASE1: list pre-trained TTS models
     if args.list_models: