diff --git a/src-python/config.py b/src-python/config.py
index 0e806e84..54d8b720 100644
--- a/src-python/config.py
+++ b/src-python/config.py
@@ -37,10 +37,6 @@ class Config:
     def VERSION(self):
         return self._VERSION
 
-    @property
-    def SPEAKER2CHATBOX_PASS_CONFIRMATION(self):
-        return self._SPEAKER2CHATBOX_PASS_CONFIRMATION
-
     @property
     def PATH_LOCAL(self):
         return self._PATH_LOCAL
@@ -118,15 +114,6 @@ class Config:
         return self._WATCHDOG_INTERVAL
 
     # Read Write
-    @property
-    def ENABLE_SPEAKER2CHATBOX(self):
-        return self._ENABLE_SPEAKER2CHATBOX
-
-    @ENABLE_SPEAKER2CHATBOX.setter
-    def ENABLE_SPEAKER2CHATBOX(self, value):
-        if isinstance(value, bool):
-            self._ENABLE_SPEAKER2CHATBOX = value
-
     @property
     def ENABLE_TRANSLATION(self):
         return self._ENABLE_TRANSLATION
@@ -909,18 +896,6 @@ class Config:
             self._RECEIVED_MESSAGE_FORMAT_WITH_T = value
             saveJson(self.PATH_CONFIG, inspect.currentframe().f_code.co_name, value)
 
-    # Speaker2Chatbox------------------
-    @property
-    @json_serializable('SPEAKER2CHATBOX_PASS')
-    def SPEAKER2CHATBOX_PASS(self):
-        return self._SPEAKER2CHATBOX_PASS
-
-    @SPEAKER2CHATBOX_PASS.setter
-    def SPEAKER2CHATBOX_PASS(self, value):
-        if isinstance(value, str):
-            self._SPEAKER2CHATBOX_PASS = value
-            saveJson(self.PATH_CONFIG, inspect.currentframe().f_code.co_name, value)
-
     @property
     @json_serializable('SEND_RECEIVED_MESSAGE_TO_VRC')
     def SEND_RECEIVED_MESSAGE_TO_VRC(self):
@@ -929,14 +904,8 @@ class Config:
     @SEND_RECEIVED_MESSAGE_TO_VRC.setter
     def SEND_RECEIVED_MESSAGE_TO_VRC(self, value):
         if isinstance(value, bool):
-            if self._ENABLE_SPEAKER2CHATBOX is True:
-                self._SEND_RECEIVED_MESSAGE_TO_VRC = value
-            else:
-                self._SEND_RECEIVED_MESSAGE_TO_VRC = False
+            self._SEND_RECEIVED_MESSAGE_TO_VRC = value
             saveJson(self.PATH_CONFIG, inspect.currentframe().f_code.co_name, value)
-    # Speaker2Chatbox------------------
-
-
 
     @property
     @json_serializable('LOGGER_FEATURE')
@@ -963,8 +932,6 @@ class Config:
     def init_config(self):
         # Read Only
         self._VERSION = "2.2.5"
-        self._ENABLE_SPEAKER2CHATBOX = False # Speaker2Chatbox
-        self._SPEAKER2CHATBOX_PASS_CONFIRMATION = "VRCT=0YEN"
         if getattr(sys, 'frozen', False):
             self._PATH_LOCAL = os_path.dirname(sys.executable)
         else:
@@ -1165,8 +1132,7 @@ class Config:
         }
         self._OVERLAY_UI_TYPE = "default"
         self._SEND_MESSAGE_TO_VRC = True
-        self._SEND_RECEIVED_MESSAGE_TO_VRC = False # Speaker2Chatbox
-        self._SPEAKER2CHATBOX_PASS = "000000000"
+        self._SEND_RECEIVED_MESSAGE_TO_VRC = False
         self._LOGGER_FEATURE = False
         self._VRC_MIC_MUTE_SYNC = False
 
@@ -1181,10 +1147,6 @@ class Config:
                     old_message_format = config[key]
                 setattr(self, key, config[key])
 
-                if key == "SPEAKER2CHATBOX_PASS":
-                    if self.SPEAKER2CHATBOX_PASS_CONFIRMATION == config[key]:
-                        self.ENABLE_SPEAKER2CHATBOX = True
-
             if old_message_format is not None:
                 setattr(self, "SEND_MESSAGE_FORMAT_WITH_T", old_message_format)
 
diff --git a/src-python/webui_controller.py b/src-python/webui_controller.py
index 7a1fdc46..43054beb 100644
--- a/src-python/webui_controller.py
+++ b/src-python/webui_controller.py
@@ -247,13 +247,9 @@ class Controller:
                     # overlay_image = model.createOverlayImageLong("receive", message, translation)
                     # model.updateOverlay(overlay_image)
 
-                # ------------Speaker2Chatbox------------
-                if config.ENABLE_SPEAKER2CHATBOX is True:
-                    # send OSC message
-                    if config.SEND_RECEIVED_MESSAGE_TO_VRC is True:
-                        osc_message = self.messageFormatter("RECEIVED", translation, [message])
-                        model.oscSendMessage(osc_message)
-                # ------------Speaker2Chatbox------------
+                if config.SEND_RECEIVED_MESSAGE_TO_VRC is True:
+                    osc_message = self.messageFormatter("RECEIVED", translation, [message])
+                    model.oscSendMessage(osc_message)
 
                 # update textbox message log (Received)
                 self.run(
@@ -1304,15 +1300,6 @@ class Controller:
                 config.RECEIVED_MESSAGE_FORMAT_WITH_T = data
         return {"status":200, "result":config.RECEIVED_MESSAGE_FORMAT_WITH_T}
 
-    @staticmethod
-    def getSpeaker2ChatboxPass(*args, **kwargs) -> dict:
-        return {"status":200, "result":config.SPEAKER2CHATBOX_PASS}
-
-    @staticmethod
-    def setSpeaker2ChatboxPass(data, *args, **kwargs) -> dict:
-        config.SPEAKER2CHATBOX_PASS = data
-        return {"status":200, "result":config.SPEAKER2CHATBOX_PASS}
-
     @staticmethod
     def getSendReceivedMessageToVrc(*args, **kwargs) -> dict:
         return {"status":200, "result":config.SEND_RECEIVED_MESSAGE_TO_VRC}
diff --git a/src-python/webui_mainloop.py b/src-python/webui_mainloop.py
index 7af0cd89..6c42e5f4 100644
--- a/src-python/webui_mainloop.py
+++ b/src-python/webui_mainloop.py
@@ -290,9 +290,6 @@ mapping = {
     "/get/data/received_message_format_with_t": {"status": True, "variable":controller.getReceivedMessageFormatWithT},
     "/set/data/received_message_format_with_t": {"status": True, "variable":controller.setReceivedMessageFormatWithT},
 
-    "/get/data/speaker2chatbox_pass": {"status": True, "variable":controller.getSpeaker2ChatboxPass},
-    "/set/data/speaker2chatbox_pass": {"status": True, "variable":controller.setSpeaker2ChatboxPass},
-
     "/get/data/send_received_message_to_vrc": {"status": True, "variable":controller.getSendReceivedMessageToVrc},
     "/set/enable/send_received_message_to_vrc": {"status": True, "variable":controller.setEnableSendReceivedMessageToVrc},
     "/set/disable/send_received_message_to_vrc": {"status": True, "variable":controller.setDisableSendReceivedMessageToVrc},