_remove_theme_support( string $feature ): bool

3092function _remove_theme_support( $feature ) {3093	global $_wp_theme_features;3094 3095	switch ( $feature ) {3096		case 'custom-header-uploads':3097			if ( ! isset( $_wp_theme_features['custom-header'] ) ) {3098				return false;3099			}3100			add_theme_support( 'custom-header', array( 'uploads' => false ) );3101			return; // Do not continue - custom-header-uploads no longer exists.3102	}3103 3104	if ( ! isset( $_wp_theme_features[ $feature ] ) ) {3105		return false;3106	}3107 3108	switch ( $feature ) {3109		case 'custom-header':3110			if ( ! did_action( 'wp_loaded' ) ) {3111				break;3112			}3113			$support = get_theme_support( 'custom-header' );3114			if ( isset( $support[0]['wp-head-callback'] ) ) {3115				remove_action( 'wp_head', $support[0]['wp-head-callback'] );3116			}3117			if ( isset( $GLOBALS['custom_image_header'] ) ) {3118				remove_action( 'admin_menu', array( $GLOBALS['custom_image_header'], 'init' ) );3119				unset( $GLOBALS['custom_image_header'] );3120			}3121			break;3122 3123		case 'custom-background':3124			if ( ! did_action( 'wp_loaded' ) ) {3125				break;3126			}3127			$support = get_theme_support( 'custom-background' );3128			if ( isset( $support[0]['wp-head-callback'] ) ) {3129				remove_action( 'wp_head', $support[0]['wp-head-callback'] );3130			}3131			remove_action( 'admin_menu', array( $GLOBALS['custom_background'], 'init' ) );3132			unset( $GLOBALS['custom_background'] );3133			break;3134	}3135 3136	unset( $_wp_theme_features[ $feature ] );3137 3138	return true;3139}