需要帮助删除进度条上的图标

我在4.1.1上成功地运行了它,但在6.0上,它显示了下拉图标。如何删除旋转图标?

编辑:这是当前项目进度条的XML代码

<?xml version="1.0" encoding="utf-8"?>
<layout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto">
<android.support.design.widget.CoordinatorLayout
    android:layout_width="match_parent"
    android:layout_height="match_parent">
    <android.support.design.widget.AppBarLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:theme="@style/AppTheme.AppBarOverlay">
        <android.support.design.widget.TabLayout
            android:id="@+id/tab_layout"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            app:tabMode="fixed"
            app:tabGravity="fill"
            android:fillViewport="false" />
        <com.jaredrummler.materialspinner.MaterialSpinner
            android:id="@+id/spinner"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:textColor="#000000"
            />
    </android.support.design.widget.AppBarLayout>
    <LinearLayout
        android:id="@+id/linlaHeaderProgress"
        android:layout_width="fill_parent"
        android:layout_height="fill_parent"
        android:gravity="center"
        android:orientation="vertical"
        android:visibility="gone"
        android:clickable="true">
        <ProgressBar
            android:id="@+id/loading"
            style="@style/Widget.AppCompat.Spinner"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content">
        </ProgressBar>
    </LinearLayout>
    <android.support.v4.view.ViewPager
        android:id="@+id/view_pager"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        app:layout_behavior="@string/appbar_scrolling_view_behavior"/>
</android.support.design.widget.CoordinatorLayout>
</layout>