diff --git a/functions.php b/functions.php
index 591f30f..c6336bd 100644
--- a/functions.php
+++ b/functions.php
@@ -12,96 +12,94 @@ if ( ! defined( '_S_VERSION' ) ) {
 	define( '_S_VERSION', '1.0.0' );
 }
 
-if ( ! function_exists( '_s_setup' ) ) :
+/**
+ * Sets up theme defaults and registers support for various WordPress features.
+ *
+ * Note that this function is hooked into the after_setup_theme hook, which
+ * runs before the init hook. The init hook is too late for some features, such
+ * as indicating support for post thumbnails.
+ */
+function _s_setup() {
+	/*
+		* Make theme available for translation.
+		* Translations can be filed in the /languages/ directory.
+		* If you're building a theme based on _s, use a find and replace
+		* to change '_s' to the name of your theme in all the template files.
+		*/
+	load_theme_textdomain( '_s', get_template_directory() . '/languages' );
+
+	// Add default posts and comments RSS feed links to head.
+	add_theme_support( 'automatic-feed-links' );
+
+	/*
+		* Let WordPress manage the document title.
+		* By adding theme support, we declare that this theme does not use a
+		* hard-coded <title> tag in the document head, and expect WordPress to
+		* provide it for us.
+		*/
+	add_theme_support( 'title-tag' );
+
+	/*
+		* Enable support for Post Thumbnails on posts and pages.
+		*
+		* @link https://developer.wordpress.org/themes/functionality/featured-images-post-thumbnails/
+		*/
+	add_theme_support( 'post-thumbnails' );
+
+	// This theme uses wp_nav_menu() in one location.
+	register_nav_menus(
+		array(
+			'menu-1' => esc_html__( 'Primary', '_s' ),
+		)
+	);
+
+	/*
+		* Switch default core markup for search form, comment form, and comments
+		* to output valid HTML5.
+		*/
+	add_theme_support(
+		'html5',
+		array(
+			'search-form',
+			'comment-form',
+			'comment-list',
+			'gallery',
+			'caption',
+			'style',
+			'script',
+		)
+	);
+
+	// Set up the WordPress core custom background feature.
+	add_theme_support(
+		'custom-background',
+		apply_filters(
+			'_s_custom_background_args',
+			array(
+				'default-color' => 'ffffff',
+				'default-image' => '',
+			)
+		)
+	);
+
+	// Add theme support for selective refresh for widgets.
+	add_theme_support( 'customize-selective-refresh-widgets' );
+
 	/**
-	 * Sets up theme defaults and registers support for various WordPress features.
+	 * Add support for core custom logo.
 	 *
-	 * Note that this function is hooked into the after_setup_theme hook, which
-	 * runs before the init hook. The init hook is too late for some features, such
-	 * as indicating support for post thumbnails.
+	 * @link https://codex.wordpress.org/Theme_Logo
 	 */
-	function _s_setup() {
-		/*
-		 * Make theme available for translation.
-		 * Translations can be filed in the /languages/ directory.
-		 * If you're building a theme based on _s, use a find and replace
-		 * to change '_s' to the name of your theme in all the template files.
-		 */
-		load_theme_textdomain( '_s', get_template_directory() . '/languages' );
-
-		// Add default posts and comments RSS feed links to head.
-		add_theme_support( 'automatic-feed-links' );
-
-		/*
-		 * Let WordPress manage the document title.
-		 * By adding theme support, we declare that this theme does not use a
-		 * hard-coded <title> tag in the document head, and expect WordPress to
-		 * provide it for us.
-		 */
-		add_theme_support( 'title-tag' );
-
-		/*
-		 * Enable support for Post Thumbnails on posts and pages.
-		 *
-		 * @link https://developer.wordpress.org/themes/functionality/featured-images-post-thumbnails/
-		 */
-		add_theme_support( 'post-thumbnails' );
-
-		// This theme uses wp_nav_menu() in one location.
-		register_nav_menus(
-			array(
-				'menu-1' => esc_html__( 'Primary', '_s' ),
-			)
-		);
-
-		/*
-		 * Switch default core markup for search form, comment form, and comments
-		 * to output valid HTML5.
-		 */
-		add_theme_support(
-			'html5',
-			array(
-				'search-form',
-				'comment-form',
-				'comment-list',
-				'gallery',
-				'caption',
-				'style',
-				'script',
-			)
-		);
-
-		// Set up the WordPress core custom background feature.
-		add_theme_support(
-			'custom-background',
-			apply_filters(
-				'_s_custom_background_args',
-				array(
-					'default-color' => 'ffffff',
-					'default-image' => '',
-				)
-			)
-		);
-
-		// Add theme support for selective refresh for widgets.
-		add_theme_support( 'customize-selective-refresh-widgets' );
-
-		/**
-		 * Add support for core custom logo.
-		 *
-		 * @link https://codex.wordpress.org/Theme_Logo
-		 */
-		add_theme_support(
-			'custom-logo',
-			array(
-				'height'      => 250,
-				'width'       => 250,
-				'flex-width'  => true,
-				'flex-height' => true,
-			)
-		);
-	}
-endif;
+	add_theme_support(
+		'custom-logo',
+		array(
+			'height'      => 250,
+			'width'       => 250,
+			'flex-width'  => true,
+			'flex-height' => true,
+		)
+	);
+}
 add_action( 'after_setup_theme', '_s_setup' );
 
 /**
diff --git a/inc/jetpack.php b/inc/jetpack.php
index 2a82dfb..1b2d5c1 100644
--- a/inc/jetpack.php
+++ b/inc/jetpack.php
@@ -50,16 +50,18 @@ function _s_jetpack_setup() {
 }
 add_action( 'after_setup_theme', '_s_jetpack_setup' );
 
-/**
- * Custom render function for Infinite Scroll.
- */
-function _s_infinite_scroll_render() {
-	while ( have_posts() ) {
-		the_post();
-		if ( is_search() ) :
-			get_template_part( 'template-parts/content', 'search' );
-		else :
-			get_template_part( 'template-parts/content', get_post_type() );
-		endif;
+if ( ! function_exists( '_s_infinite_scroll_render' ) ) :
+	/**
+	 * Custom render function for Infinite Scroll.
+	 */
+	function _s_infinite_scroll_render() {
+		while ( have_posts() ) {
+			the_post();
+			if ( is_search() ) :
+				get_template_part( 'template-parts/content', 'search' );
+			else :
+				get_template_part( 'template-parts/content', get_post_type() );
+			endif;
+		}
 	}
-}
+endif;