Android Studio preview still displaying holo theme after switching to appcompat -


in few seemingly random layouts, android studio showing holo preview after switching appcompat. i've tried restarting computer, android studio, rebuilding, , clean building project no success.

example layout:

<textview     xmlns:android="http://schemas.android.com/apk/res/android"     android:layout_width="wrap_content"     android:layout_height="wrap_content"     android:text="example"/>

i have checked app's theme , there no references holo anywhere.

is there sort of cache in android studio can clear?


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