Remove elevation overlay

app/src/main/res/layout/main_activity.xml

@@ -50,7 +50,6 @@
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
             android:layout_gravity="bottom"
-            app:elevation="0dp"
             app:labelVisibilityMode="labeled"
             app:menu="@menu/bottom_nav" />
 

app/src/main/res/values/themes.xml

@@ -44,6 +44,7 @@
 
         <!-- Themes -->
         <item name="windowActionModeOverlay">true</item>
+        <item name="elevationOverlayEnabled">false</item>
         <item name="actionBarPopupTheme">@style/ThemeOverlay.MaterialComponents</item>
         <item name="toolbarNavigationButtonStyle">@style/Theme.Toolbar.Navigation</item>
         <item name="preferenceTheme">@style/PreferenceThemeOverlay</item>
@@ -119,6 +120,7 @@
 
         <!-- Themes -->
         <item name="windowActionModeOverlay">true</item>
+        <item name="elevationOverlayEnabled">false</item>
         <item name="actionBarTheme">@style/ThemeOverlay.MaterialComponents.Dark.ActionBar</item>
         <item name="actionBarPopupTheme">@style/ThemeOverlay.MaterialComponents</item>
         <item name="toolbarNavigationButtonStyle">@style/Theme.Toolbar.Navigation</item>