diff --git a/wp-includes/http.php b/wp-includes/http.php
index 9fa31d5156..0444792421 100644
--- a/wp-includes/http.php
+++ b/wp-includes/http.php
@@ -530,7 +530,7 @@ function wp_http_validate_url( $url ) {
 	$parsed_home = @parse_url( get_option( 'home' ) );
 
 	if ( isset( $parsed_home['host'] ) ) {
-		$same_host = ( strtolower( $parsed_home['host'] ) === strtolower( $parsed_url['host'] ) || 'localhost' === strtolower( $parsed_url['host'] ) );
+		$same_host = strtolower( $parsed_home['host'] ) === strtolower( $parsed_url['host'] );
 	} else {
 		$same_host = false;
 	}
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 1c55ffc9b7..1983d405f6 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.9.5-RC1-42895';
+$wp_version = '4.9.5-RC1-42908';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.