diff --git a/wp-includes/customize/class-wp-customize-partial.php b/wp-includes/customize/class-wp-customize-partial.php
index c27b3f058c..458fa1ad9f 100644
--- a/wp-includes/customize/class-wp-customize-partial.php
+++ b/wp-includes/customize/class-wp-customize-partial.php
@@ -272,9 +272,12 @@ class WP_Customize_Partial {
 	 * @since 4.5.0
 	 * @access public
 	 *
+	 * @param WP_Customize_Partial $partial Partial.
+	 * @param array                $context Context.
 	 * @return string|array|false
 	 */
-	public function render_callback() {
+	public function render_callback( WP_Customize_Partial $partial, $context = array() ) {
+		unset( $partial, $context );
 		return false;
 	}
 
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 0a90e7030f..16201f347d 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.5-beta1-36800';
+$wp_version = '4.5-beta1-36801';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.