diff --git a/src-python/utils.py b/src-python/utils.py
index eb991c39..fbf55c43 100644
--- a/src-python/utils.py
+++ b/src-python/utils.py
@@ -10,12 +10,6 @@ def getImageFile(file_name):
     img = Image_open(os_path.join(os_path.dirname(__file__), "img", file_name))
     return img
 
-def getKeyByValue(dictionary, value):
-    for key, val in dictionary.items():
-        if val == value:
-            return key
-    return None
-
 def callFunctionIfCallable(function, *args):
     if callable(function) is True:
         function(*args)
diff --git a/src-python/webui_controller.py b/src-python/webui_controller.py
index d0c10985..f7c94c69 100644
--- a/src-python/webui_controller.py
+++ b/src-python/webui_controller.py
@@ -5,7 +5,7 @@ from threading import Thread
 import re
 from config import config
 from model import model
-from utils import getKeyByValue, isUniqueStrings, printLog, printResponse
+from utils import isUniqueStrings, printLog, printResponse
 
 # Common
 class DownloadSoftwareProgressBar:
@@ -663,7 +663,6 @@ def callbackSetFontFamily(data, *args, **kwargs) -> dict:
 
 def callbackSetUiLanguage(data, *args, **kwargs) -> dict:
     printLog("Set UI Language", data)
-    data = getKeyByValue(config.SELECTABLE_UI_LANGUAGES_DICT, data)
     config.UI_LANGUAGE = data
     return {"status":200, "result":config.UI_LANGUAGE}