<resources>

    <!-- Spacing -->
    <dimen name="key_line_1">16dp</dimen>
    <dimen name="key_line_2">72dp</dimen>
    <dimen name="small_space">8dp</dimen>
    <dimen name="normal_space">16dp</dimen>
    
    <!-- Movie Poster Grid -->
    <dimen name="grid_padding">4dp</dimen>
    <dimen name="grid_footer_two_line_height">68dp</dimen>
    <dimen name="grid_poster_height">280dp</dimen>
    <dimen name="detail_poster_width">150dp</dimen>

    <!-- Toolbar -->
    <dimen name="toolbar_height_x2">112dp</dimen>
    <dimen name="toolbar_height_x3">168dp</dimen>
    <dimen name="toolbar_height_x4">224dp</dimen>
    <dimen name="toolbar_height_x5">280dp</dimen>
    <dimen name="toolbar_height_x6">336dp</dimen>

    <!-- SubHeader -->
    <dimen name="sub_header_height">48dp</dimen>
    <dimen name="sub_header_text_size">14sp</dimen>

</resources>

<resources>

    <!-- Spacing -->
    <dimen name="key_line_1">16dp</dimen>
    <dimen name="key_line_2">72dp</dimen>
    <dimen name="small_space">8dp</dimen>
    <dimen name="normal_space">16dp</dimen>
    
    <!-- Movie Poster Grid -->
    <dimen name="grid_padding">4dp</dimen>
    <dimen name="grid_footer_two_line_height">68dp</dimen>
    <dimen name="detail_poster_width">150dp</dimen>

    <!-- Toolbar -->
    <dimen name="toolbar_height_x2">112dp</dimen>
    <dimen name="toolbar_height_x3">168dp</dimen>
    <dimen name="toolbar_height_x4">224dp</dimen>
    <dimen name="toolbar_height_x5">280dp</dimen>
    <dimen name="toolbar_height_x6">336dp</dimen>

    <!-- SubHeader -->
    <dimen name="sub_header_height">48dp</dimen>
    <dimen name="sub_header_text_size">14sp</dimen>

</resources>

Remove no longer needed dimen value
fix: Remove no longer needed dimen value
