Site Title is getting added to Title Tags

I can’t for the life of me figure out why the site title is getting added to the end of my title tags. I have All In One SEO installed, would that be interfering with anything? Here is what the title code in my header file looks like:

<title><?php
	/*
	 * Print the <title> tag based on what is being viewed.
	 */
	global $page, $paged;

	wp_title( '|', true, 'right' );

	// Add the blog name.
	bloginfo( 'name' );

	// Add the blog description for the home/front page.
	$site_description = get_bloginfo( 'description', 'display' );
	if ( $site_description && ( is_home() || is_front_page() ) )
		echo " | $site_description";

	// Add a page number if necessary:
	if ( $paged >= 2 || $page >= 2 )
		echo ' | ' . sprintf( __( 'Page %s', 'twentyten' ), max( $paged, $page ) );

	?></title>

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