diff --git a/style_bert_vits2/nlp/japanese/pyopenjtalk_worker/__init__.py b/style_bert_vits2/nlp/japanese/pyopenjtalk_worker/__init__.py
index 6c87123..3593e60 100644
--- a/style_bert_vits2/nlp/japanese/pyopenjtalk_worker/__init__.py
+++ b/style_bert_vits2/nlp/japanese/pyopenjtalk_worker/__init__.py
@@ -106,7 +106,6 @@ def initialize(port: int = WORKER_PORT) -> None:
         terminate()
 
     try:
-        signal.signal(signal.SIGINT, signal_handler)
         signal.signal(signal.SIGTERM, signal_handler)
     except ValueError:
         # signal only works in main thread