diff --git a/debug-viewer/GstDebugViewer/GUI.py b/debug-viewer/GstDebugViewer/GUI.py
index 243f384043..2f90796cba 100755
--- a/debug-viewer/GstDebugViewer/GUI.py
+++ b/debug-viewer/GstDebugViewer/GUI.py
@@ -240,8 +240,6 @@ class LazyLogModel (LogModelBase):
 
         self.__log_obj = log_obj
 
-        self.__line_regex = Data.default_log_line_regex ()
-
         if log_obj:
             self.set_log (log_obj)