diff --git a/sohstationviewer/view/db_config/value_color_helper/edit_value_color_dialog/multi_color_dot_dialog.py b/sohstationviewer/view/db_config/value_color_helper/edit_value_color_dialog/multi_color_dot_dialog.py
index 8d50f0b74138256eba467e0c469c3199d100d7fa..1167a64dbcfce86fb8f9058aad4e547c21f51d1e 100644
--- a/sohstationviewer/view/db_config/value_color_helper/edit_value_color_dialog/multi_color_dot_dialog.py
+++ b/sohstationviewer/view/db_config/value_color_helper/edit_value_color_dialog/multi_color_dot_dialog.py
@@ -1,12 +1,10 @@
 import sys
 import platform
 import os
-
 from typing import List, Dict
 
 from PySide2 import QtWidgets, QtCore, QtGui
 from PySide2.QtWidgets import QWidget
-from PySide2.QtGui import QDoubleValidator
 
 from sohstationviewer.view.db_config.value_color_helper.\
     edit_value_color_dialog.edit_value_color_dialog_super_class import \