diff --git a/app/src/main/res/drawable-v24/_icon_techniker.webp b/app/src/main/res/drawable-v24/_icon_techniker.webp
deleted file mode 100644
index a127370..0000000
Binary files a/app/src/main/res/drawable-v24/_icon_techniker.webp and /dev/null differ
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index d984c7a..397d49f 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -1,14 +1,3 @@
 <resources>
     <string name="app_name">Technik-Logger</string>
-    <string name="action_settings">Settings</string>
-    <!-- Strings used for fragments for navigation -->
-    <string name="first_fragment_label">First Fragment</string>
-    <string name="second_fragment_label">Second Fragment</string>
-    <string name="next">Next</string>
-    <string name="previous">Previous</string>
-
-    <string name="hello_first_fragment">Hello first fragment</string>
-    <string name="hello_second_fragment">Hello second fragment. Arg: %1$s</string>
-
-    <string name="hello_world">Hello world!</string>
 </resources>
\ No newline at end of file
diff --git a/app/src/main/res/values/styles.xml b/app/src/main/res/values/styles.xml
index 21d9ced..93ec80c 100644
--- a/app/src/main/res/values/styles.xml
+++ b/app/src/main/res/values/styles.xml
@@ -12,8 +12,4 @@
         <item name="windowNoTitle">true</item>
     </style>
 
-    <style name="AppTheme.AppBarOverlay" parent="ThemeOverlay.AppCompat.Dark.ActionBar" />
-
-    <style name="AppTheme.PopupOverlay" parent="ThemeOverlay.AppCompat.Light" />
-
 </resources>
\ No newline at end of file