diff --git a/gradio_tabs/inference.py b/gradio_tabs/inference.py
index 324b72c..570fce6 100644
--- a/gradio_tabs/inference.py
+++ b/gradio_tabs/inference.py
@@ -208,7 +208,7 @@ null_models_frame = 0
 def change_null_model_row(null_model_index:int, null_model_name:str, null_model_path:str,null_voice_weights:float, 
                         null_voice_pitch_weights:float, null_speech_style_weights:float,null_tempo_weights:float, 
                         null_models:dict[int,dict[str, Any]]):
-    logger.debug("change_null_model_row:sta"+str(null_models))
+    #logger.debug("change_null_model_row:sta"+str(null_models))
     mid_result={}
     mid_result["name"]=null_model_name
     mid_result["path"]=null_model_path
@@ -217,12 +217,12 @@ def change_null_model_row(null_model_index:int, null_model_name:str, null_model_
     mid_result["style"]=null_speech_style_weights
     mid_result["tempo"]=null_tempo_weights
     null_models[null_model_index] = mid_result
-    logger.debug("decreasing:"+str(null_models_frame)+":"+str(len(null_models.keys())))
+    #logger.debug("decreasing:"+str(null_models_frame)+":"+str(len(null_models.keys())))
     if null_models_frame < len(null_models.keys()):
         for i in range(null_models_frame ,len(null_models.keys())):
             _ = null_models.pop(i, None)
     result = null_models
-    logger.debug("change_null_model_row:res"+str(null_models))
+    #logger.debug("change_null_model_row:res"+str(null_models))
     return result
 
 def create_inference_app(model_holder: TTSModelHolder) -> gr.Blocks:
@@ -253,10 +253,6 @@ def create_inference_app(model_holder: TTSModelHolder) -> gr.Blocks:
         model_holder.get_model(model_name, model_path)
         assert model_holder.current_model is not None
 
-        if len(null_models.keys()) > 0:
-            model_holder.get_null_models(null_models)
-            assert len(model_holder.null_models_params.keys()) > 0
-
         wrong_tone_message = ""
         kata_tone: Optional[list[tuple[str, int]]] = None
         if use_tone and kata_tone_json_str != "":
diff --git a/style_bert_vits2/tts_model.py b/style_bert_vits2/tts_model.py
index f8a387b..4e1cdac 100644
--- a/style_bert_vits2/tts_model.py
+++ b/style_bert_vits2/tts_model.py
@@ -298,6 +298,8 @@ class TTSModel:
         if assist_text == "" or not use_assist_text:
             assist_text = None
         if null_model_params is not {}:
+            #ヌルモデルがあるときは常時ロードしなおすけどもっといい手段ありそう
+            self.__net_g = None
             self.null_model_params = null_model_params
         else:
             self.null_model_params = {}
@@ -407,7 +409,6 @@ class TTSModelHolder:
         self.device: str = device
         self.model_files_dict: dict[str, list[Path]] = {}
         self.current_model: Optional[TTSModel] = None
-        self.null_models_params: dict[int,dict[str,Union[str, float]]] = {}
         self.model_names: list[str] = []
         self.models_info: list[TTSModelInfo] = []
         self.refresh()
@@ -420,7 +421,6 @@ class TTSModelHolder:
         self.model_files_dict = {}
         self.model_names = []
         self.current_model = None
-        self.null_models_params = {}
         self.models_info = []
 
         model_dirs = [d for d in self.root_dir.iterdir() if d.is_dir()]
@@ -482,13 +482,6 @@ class TTSModelHolder:
             )
 
         return self.current_model
-    def get_null_models(self, null_model_index:dict[int,dict[str,Union[str, float]]]) -> dict[int, dict[str, Union[str, float]]]:
-        """
-        get_modelをヌルモデル用に改変。複数まとめて使うかも知れないのでdictで戻す
-        
-        """
-        self.null_models_params = null_model_index
-        return self.null_models_params
 
     def get_model_for_gradio(self, model_name: str, model_path_str: str):
         import gradio as gr