diff --git a/wp-includes/category-template.php b/wp-includes/category-template.php
index 46f7b90eab..ea369216b0 100644
--- a/wp-includes/category-template.php
+++ b/wp-includes/category-template.php
@@ -674,15 +674,13 @@ function wp_generate_tag_cloud( $tags, $args = '' ) {
 
 	$a = array();
 
-	$rel = ( is_object( $wp_rewrite ) && $wp_rewrite->using_permalinks() ) ? ' rel="tag"' : '';
-
 	foreach ( $tags as $key => $tag ) {
 		$count = $counts[ $key ];
 		$real_count = $real_counts[ $key ];
 		$tag_link = '#' != $tag->link ? esc_url( $tag->link ) : '#';
 		$tag_id = isset($tags[ $key ]->id) ? $tags[ $key ]->id : $key;
 		$tag_name = $tags[ $key ]->name;
-		$a[] = "<a href='$tag_link' class='tag-link-$tag_id' title='" . esc_attr( $topic_count_text_callback( $real_count ) ) . "'$rel style='font-size: " .
+		$a[] = "<a href='$tag_link' class='tag-link-$tag_id' title='" . esc_attr( $topic_count_text_callback( $real_count ) ) . "' style='font-size: " .
 			( $smallest + ( ( $count - $min_count ) * $font_step ) )
 			. "$unit;'>$tag_name</a>";
 	}