Remove '|' on tag

i want to remove ‘|’ but error. please help me.
this is my title on header.php

<title><?php $blog_description = get_bloginfo( 'description', 'display' ); ?>
<?php if (is_home() || is_front_page()) { ?>
<?php wp_title('|', true, 'right'); ?><?php bloginfo('name'); ?><?php echo " | (My Blog Tips)"; ?>
<?php } elseif (is_single()) { ?>
<?php wp_title('|', true, 'right'); ?><?php bloginfo('name'); ?>
<?php } elseif (is_category()) { ?>
Arsip <?php wp_title('|', true, 'right'); ?><?php bloginfo('name'); ?>
<?php } elseif (is_tag()) { ?>
Info tag <?php wp_title('|', true, 'right'); ?><?php bloginfo('name'); ?>
<?php } elseif (is_author()) { ?>
Ditulis oleh <?php wp_title('|', true, 'right'); ?><?php bloginfo('name'); ?>
<?php } elseif (is_archive()) { ?>
<?php wp_title('|', true, 'right'); ?><?php bloginfo('name'); ?>
<?php } else { ?>
<?php wp_title('|', true, 'right'); ?><?php bloginfo('name'); ?>
<?php } ?>
<?php if ( $paged < 1 ) {} else { echo (' | page '); echo ($paged);} ?>
<?php if ( $cpage < 1 ) {} else { echo (' | comment page '); echo ($cpage);} ?></title>

thank you