_remove_theme_support( string $feature ): bool

3090function _remove_theme_support( $feature ) {3091	global $_wp_theme_features;3092 3093	switch ( $feature ) {3094		case 'custom-header-uploads':3095			if ( ! isset( $_wp_theme_features['custom-header'] ) ) {3096				return false;3097			}3098			add_theme_support( 'custom-header', array( 'uploads' => false ) );3099			return true; // Do not continue - custom-header-uploads no longer exists.3100	}3101 3102	if ( ! isset( $_wp_theme_features[ $feature ] ) ) {3103		return false;3104	}3105 3106	switch ( $feature ) {3107		case 'custom-header':3108			if ( ! did_action( 'wp_loaded' ) ) {3109				break;3110			}3111			$support = get_theme_support( 'custom-header' );3112			if ( isset( $support[0]['wp-head-callback'] ) ) {3113				remove_action( 'wp_head', $support[0]['wp-head-callback'] );3114			}3115			if ( isset( $GLOBALS['custom_image_header'] ) ) {3116				remove_action( 'admin_menu', array( $GLOBALS['custom_image_header'], 'init' ) );3117				unset( $GLOBALS['custom_image_header'] );3118			}3119			break;3120 3121		case 'custom-background':3122			if ( ! did_action( 'wp_loaded' ) ) {3123				break;3124			}3125			$support = get_theme_support( 'custom-background' );3126			if ( isset( $support[0]['wp-head-callback'] ) ) {3127				remove_action( 'wp_head', $support[0]['wp-head-callback'] );3128			}3129			remove_action( 'admin_menu', array( $GLOBALS['custom_background'], 'init' ) );3130			unset( $GLOBALS['custom_background'] );3131			break;3132	}3133 3134	unset( $_wp_theme_features[ $feature ] );3135 3136	return true;3137}