diff --git a/bigtext.py b/bigtext.py
index 4081fa5..da477bf 100644
--- a/bigtext.py
+++ b/bigtext.py
@@ -21,7 +21,6 @@ from line import Line
 from logFileModel import LogFileModel
 from raven.pluginregistry import PluginRegistry
 
-from ravenui import RavenUI
 from settings import Settings
 from watchdog.observers import Observer
 from watchdog.events import FileSystemEventHandler
@@ -159,7 +158,7 @@ class InnerBigText(QWidget):
             old_font_size = self.model.settings.getint_session('general', 'font_size')
             new_font_size = max(4, min(50, old_font_size - direction))
             self.model.settings.set_session('general', 'font_size', str(new_font_size))
-            RavenUI.update_ui()
+            PluginRegistry.execute("update_ui")
             self.update()
         else:
             # print("wheel event fired :) %s" % (direction))
diff --git a/filterwidget.py b/filterwidget.py
index 6a496c2..a487998 100644
--- a/filterwidget.py
+++ b/filterwidget.py
@@ -9,9 +9,10 @@ from PySide6.QtWidgets import QWidget, QVBoxLayout, QHBoxLayout, QLineEdit, QChe
 
 from bigtext import BigText
 from logFileModel import LogFileModel
-from ravenui import RavenUI
 
 from raven.i18n import _
+from raven.pluginregistry import PluginRegistry
+
 
 class FilterTask(QRunnable):
     aborted = False
@@ -149,7 +150,7 @@ class FilterWidget(QWidget):
         self.filter_model.truncate()
         self.source_model.clear_query_highlight()
         self.filter_model.clear_query_highlight()
-        RavenUI.update_ui()
+        PluginRegistry.execute("update_ui")
 
     def filter_changed(self):
         query = self.query_field.text()
diff --git a/main.py b/main.py
index daca9b8..2c7b4e4 100644
--- a/main.py
+++ b/main.py
@@ -10,7 +10,6 @@ import sys
 
 import constants
 from raven.pluginregistry import PluginRegistry
-from ravenui import RavenUI
 
 import gettext
 gettext.install('ravenlog', 'locale')
@@ -56,8 +55,8 @@ if __name__ == "__main__":
     PluginRegistry.load_plugin("NotesPlugin")
 
     window = PluginRegistry.execute_single("create_main_window")
-    RavenUI.window = window
     window.show()
+
     # window.open_file("/home/andi/ws/performanceDb/data/production/logs_2018-09-06_2018-09-06.csv")
     # window.open_file("/home/andi/ws/performanceDb/data/production/vapbdcom.csv")
     # window.open_file("/var/log/syslog")
diff --git a/raven/plugins/ravenlogplugin.py b/raven/plugins/ravenlogplugin.py
index caaf285..270d218 100644
--- a/raven/plugins/ravenlogplugin.py
+++ b/raven/plugins/ravenlogplugin.py
@@ -75,6 +75,20 @@ class RavenLogPlugin(PluginBase):
     def current_file(self) -> Optional[str]:
         return self.main_window.tabs.current_file()
 
+    def update_window_title(self, title: str):
+        if len(title) > 0:
+            self.main_window.setWindowTitle(_("{0} - RavenLog").format(title))
+        else:
+            self.main_window.setWindowTitle(_("RavenLog"))
+
+    def update_status_bar(self, text: str):
+        if not self.main_window:
+            return
+        self.main_window.status_bar.showMessage(text)
+
+    def update_ui(self):
+        self.main_window.update()
+
     def add_tab(self, tab: Tab):
         self.main_window.tabs.add_tab(tab)
 
diff --git a/ravenui.py b/ravenui.py
deleted file mode 100644
index 92f5e41..0000000
--- a/ravenui.py
+++ /dev/null
@@ -1,25 +0,0 @@
-from raven.i18n import _
-
-
-class RavenUI():
-    # no type hint because of circular dependencies
-    window = None
-
-    @staticmethod
-    def update_ui():
-        RavenUI.window.update()
-
-    @staticmethod
-    def update_window_title(title: str):
-        if not RavenUI.window:
-            return
-        if len(title) > 0:
-            RavenUI.window.setWindowTitle(_("{0} - RavenLog").format(title))
-        else:
-            RavenUI.window.setWindowTitle(_("RavenLog"))
-
-    @staticmethod
-    def update_status_bar(text: str):
-        if not RavenUI.window:
-            return
-        RavenUI.window.status_bar.showMessage(text)
diff --git a/tabs.py b/tabs.py
index 18beeea..e2bb6f7 100644
--- a/tabs.py
+++ b/tabs.py
@@ -2,11 +2,8 @@ from typing import Optional
 
 from PySide6.QtWidgets import QWidget, QTabWidget, QVBoxLayout
 
-from bigtext import BigText
-from fulltabwidget import FullTabWidget
-from logFileModel import LogFileModel
+from raven.pluginregistry import PluginRegistry
 from raven.plugins.ravenlog.Tab import Tab
-from ravenui import RavenUI
 from settings import Settings
 
 
@@ -41,11 +38,11 @@ class Tabs(QWidget):
     def _current_tab_changed(self, tab_index: int):
         tab: Tab = self.tabs.widget(tab_index)
         if tab:
-            RavenUI.update_window_title(tab.title)
-            RavenUI.update_status_bar(tab.get_status_text())
+            PluginRegistry.execute("update_window_title", tab.title)
+            PluginRegistry.execute("update_status_bar", tab.get_status_text())
         else:
-            RavenUI.update_window_title("")
-            RavenUI.update_status_bar("")
+            PluginRegistry.execute("update_window_title", "")
+            PluginRegistry.execute("update_status_bar", "")
 
     def _close_tab(self, tab_index: int):
         full_tab: Tab = self.tabs.widget(tab_index)