--- wp-content/themes/twentyfourteen/inc/template-tags.php.OLD	2015-02-20 04:01:46.311205140 +0300
+++ wp-content/themes/twentyfourteen/inc/template-tags.php	2015-02-18 14:06:59.216818724 +0300
@@ -120,6 +120,7 @@
 }
 endif;
 
+if ( ! function_exists( 'twentyfourteen_categorized_blog' ) ) :
 /**
  * Find out if blog has more than one category.
  *
@@ -148,6 +149,7 @@
 		return false;
 	}
 }
+endif;
 
 /**
  * Flush out the transients used in twentyfourteen_categorized_blog.
@@ -161,6 +163,7 @@
 add_action( 'edit_category', 'twentyfourteen_category_transient_flusher' );
 add_action( 'save_post',     'twentyfourteen_category_transient_flusher' );
 
+if ( ! function_exists( 'twentyfourteen_post_thumbnail' ) ) :
 /**
  * Display an optional post thumbnail.
  *
@@ -201,6 +204,7 @@
 
 	<?php endif; // End is_singular()
 }
+endif;
 
 if ( ! function_exists( 'twentyfourteen_excerpt_more' ) && ! is_admin() ) :
 /**
