Index: wp-content/themes/twentyfourteen/functions.php
===================================================================
--- wp-content/themes/twentyfourteen/functions.php	(revision 25563)
+++ wp-content/themes/twentyfourteen/functions.php	(working copy)
@@ -470,7 +470,10 @@
 	if ( is_archive() || is_search() || is_home() )
 		$classes[] = 'list-view';
 
-	if ( is_page_template( 'full-width-page.php' ) || is_page_template( 'contributor-page.php' ) || is_attachment() )
+	if ( ( ! is_front_page() && ! is_active_sidebar( 'sidebar-3' ) )
+		|| is_page_template( 'full-width-page.php' )
+		|| is_page_template( 'contributor-page.php' )
+		|| is_attachment() )
 		$classes[] = 'full-width';
 
 	return $classes;
Index: wp-content/themes/twentyfourteen/sidebar-content.php
===================================================================
--- wp-content/themes/twentyfourteen/sidebar-content.php	(revision 25563)
+++ wp-content/themes/twentyfourteen/sidebar-content.php	(working copy)
@@ -5,29 +5,11 @@
  * @package WordPress
  * @subpackage Twenty_Fourteen
  */
+if ( ! is_active_sidebar( 'sidebar-3' ) )
+	return;
 ?>
 <div id="content-sidebar" class="content-sidebar widget-area" role="complementary">
 	<?php do_action( 'before_sidebar' ); ?>
 
-	<?php if ( ! dynamic_sidebar( 'sidebar-3' ) ) : ?>
-		<aside id="search" class="widget widget_search">
-				<?php get_search_form(); ?>
-		</aside>
-
-		<aside id="link" class="widget widget_links">
-			<h1 class="widget-title"><?php _e( 'Blogroll', 'twentyfourteen' ); ?></h1>
-			<ul class="xoxo blogroll">
-				<?php wp_list_bookmarks( array( 'title_li' => '', 'categorize' => 0 ) ); ?>
-			</ul>
-		</aside>
-
-		<aside id="meta" class="widget">
-			<h1 class="widget-title"><?php _e( 'Meta', 'twentyfourteen' ); ?></h1>
-			<ul>
-				<?php wp_register(); ?>
-				<li><?php wp_loginout(); ?></li>
-				<?php wp_meta(); ?>
-			</ul>
-		</aside>
-	<?php endif; // end sidebar widget area ?>
+	<?php dynamic_sidebar( 'sidebar-3' ); ?>
 </div><!-- #content-sidebar -->