Index: wp-content/themes/twentythirteen/style.css
===================================================================
--- wp-content/themes/twentythirteen/style.css	(revision 23468)
+++ wp-content/themes/twentythirteen/style.css	(working copy)
@@ -1324,11 +1324,7 @@
 	margin-right: 0;
 }
 
-.gallery-caption {
-	display: none;
-}
 
-
 /**
  * 5.6 Post Formats
  * ----------------------------------------------------------------------------