diff --git a/wp-admin/js/theme-preview.dev.js b/wp-admin/js/theme-preview.dev.js
index 5cf38bc2ea..b7959c501f 100644
--- a/wp-admin/js/theme-preview.dev.js
+++ b/wp-admin/js/theme-preview.dev.js
@@ -53,11 +53,4 @@ jQuery(document).ready(function($) {
 
 		return false;
 	} );
-
-	// Theme details
-	$('#availablethemes').on('click', 'a.theme-detail', function (event) {
-		$(this).siblings('.themedetaildiv').toggle();
-		return false;
-	});
-
 });
diff --git a/wp-admin/js/theme.dev.js b/wp-admin/js/theme.dev.js
index a7f6369888..15baff3e61 100644
--- a/wp-admin/js/theme.dev.js
+++ b/wp-admin/js/theme.dev.js
@@ -1,4 +1,16 @@
-/*
+/**
+ * Theme Browsing
+ *
+ * Controls visibility of theme details on manage and install themes pages.
+ */
+jQuery( function($) {
+	$('#availablethemes').on( 'click', '.theme-detail', function (event) {
+		$(this).parent().siblings('.themedetaildiv').toggle();
+		event.preventDefault();
+	});
+});
+
+/**
  * Theme Install
  *
  * Displays theme previews on theme install pages.