remove wordpress image

function add_image_insert_override($sizes){
	unset( $sizes['thumbnail']);
	unset( $sizes['medium_large']);
	unset( $sizes['1536x1536']);
	unset( $sizes['2048x2048']);
	unset( $sizes['medium']);
	unset( $sizes['large']);
	return $sizes;
}
add_filter('intermediate_image_sizes_advanced', 'add_image_insert_override' );