diff --git a/app/src/main/res/navigation/main_admin_nav_graph.xml b/app/src/main/res/navigation/main_admin_nav_graph.xml
index 1901fb7..0dc003a 100644
--- a/app/src/main/res/navigation/main_admin_nav_graph.xml
+++ b/app/src/main/res/navigation/main_admin_nav_graph.xml
@@ -34,7 +34,11 @@
         tools:layout="@layout/fragment_qr_result" >
         <action
             android:id="@+id/action_fragment_qr_result_to_fragment_profile"
-            app:destination="@id/fragment_profile" />
+            app:destination="@id/fragment_profile"
+            app:popUpTo="@id/fragment_qr_result"
+            app:popUpToInclusive="true"
+            />
+
     </fragment>
     <fragment
         android:id="@+id/fragment_admin"
diff --git a/app/src/main/res/values/themes.xml b/app/src/main/res/values/themes.xml
index b93b2f2..8044cf5 100644
--- a/app/src/main/res/values/themes.xml
+++ b/app/src/main/res/values/themes.xml
@@ -1,16 +1,5 @@
 <resources xmlns:tools="http://schemas.android.com/tools">
     <!-- Base application theme. -->
-    <style name="Theme.Default" parent="Theme.MaterialComponents.DayNight.DarkActionBar">
-        <!-- Primary brand color. -->
-        <item name="colorPrimary">@color/purple_500</item>
-        <item name="colorPrimaryVariant">@color/orange</item>
-        <item name="colorOnPrimary">@color/white</item>
-        <!-- Secondary brand color. -->
-        <item name="colorSecondary">@color/teal_200</item>
-        <item name="colorSecondaryVariant">@color/teal_700</item>
-        <item name="colorOnSecondary">@color/black</item>
-        <!-- Status bar color. -->
-        <item name="android:statusBarColor">?attr/colorPrimaryVariant</item>
-        <!-- Customize your theme here. -->
+    <style name="Theme.Default" parent="Theme.MaterialComponents.DayNight.NoActionBar">
     </style>
 </resources>
\ No newline at end of file