diff --git a/functions.php b/functions.php
index 500940a2..b4eff0be 100644
--- a/functions.php
+++ b/functions.php
@@ -117,6 +117,16 @@ function _s_scripts() {
 }
 add_action( 'wp_enqueue_scripts', '_s_scripts' );
 
+/**
+ * Add a pingback url auto-discovery header for singularly identifiable articles.
+ */
+function _s_pingback_header() {
+	if ( is_singular() && pings_open() ) {
+		echo '<link rel="pingback" href="', esc_url( get_bloginfo( 'pingback_url' ) ), '">';
+	}
+}
+add_action( 'wp_head', '_s_pingback_header' );
+
 /**
  * Implement the Custom Header feature.
  */
@@ -128,9 +138,9 @@ require get_template_directory() . '/inc/custom-header.php';
 require get_template_directory() . '/inc/template-tags.php';
 
 /**
- * Custom functions that act independently of the theme templates.
+ * Additional features to allow styling of the templates.
  */
-require get_template_directory() . '/inc/extras.php';
+require get_template_directory() . '/inc/template-functions.php';
 
 /**
  * Customizer additions.
diff --git a/inc/extras.php b/inc/template-functions.php
similarity index 53%
rename from inc/extras.php
rename to inc/template-functions.php
index 6ef7ad60..63e7e294 100644
--- a/inc/extras.php
+++ b/inc/template-functions.php
@@ -1,8 +1,6 @@
 <?php
 /**
- * Custom functions that act independently of the theme templates
- *
- * Eventually, some of the functionality here could be replaced by core features.
+ * Additional features to allow styling of the templates
  *
  * @package _s
  */
@@ -27,13 +25,3 @@ function _s_body_classes( $classes ) {
 	return $classes;
 }
 add_filter( 'body_class', '_s_body_classes' );
-
-/**
- * Add a pingback url auto-discovery header for singularly identifiable articles.
- */
-function _s_pingback_header() {
-	if ( is_singular() && pings_open() ) {
-		echo '<link rel="pingback" href="', esc_url( get_bloginfo( 'pingback_url' ) ), '">';
-	}
-}
-add_action( 'wp_head', '_s_pingback_header' );