platesModule::TEMPLATE_CANVAS === $this->current_page_template ) {
			$allowed_core = [];
		} else {
			$allowed_core = [ 'header', 'footer' ];
		}

		foreach ( $locations as $location => $settings ) {
			if ( ! empty( $settings['is_core'] ) && ! in_array( $location, $allowed_core, true ) ) {
				unset( $locations[ $location ] );
			}
		}

		return $locations;
	}
}