diff --git a/wp-admin/includes/update-core.php b/wp-admin/includes/update-core.php
index 2189d55df9..8ae6c7f142 100644
--- a/wp-admin/includes/update-core.php
+++ b/wp-admin/includes/update-core.php
@@ -812,6 +812,8 @@ function update_core($from, $to) {
 
 	// Import $wp_version, $required_php_version, and $required_mysql_version from the new version
 	// $wp_filesystem->wp_content_dir() returned unslashed pre-2.8
+	global $wp_version, $required_php_version, $required_mysql_version;
+
 	$versions_file = trailingslashit( $wp_filesystem->wp_content_dir() ) . 'upgrade/version-current.php';
 	if ( ! $wp_filesystem->copy( $from . $distro . 'wp-includes/version.php', $versions_file ) ) {
 		$wp_filesystem->delete( $from, true );
@@ -824,7 +826,7 @@ function update_core($from, $to) {
 
 	$php_version    = phpversion();
 	$mysql_version  = $wpdb->db_version();
-	$old_wp_version = $GLOBALS['wp_version']; // The version of WordPress we're updating from
+	$old_wp_version = $wp_version; // The version of WordPress we're updating from
 	$development_build = ( false !== strpos( $old_wp_version . $wp_version, '-' )  ); // a dash in the version indicates a Development release
 	$php_compat     = version_compare( $php_version, $required_php_version, '>=' );
 	if ( file_exists( WP_CONTENT_DIR . '/db.php' ) && empty( $wpdb->is_mysql ) )
diff --git a/wp-admin/install.php b/wp-admin/install.php
index 258162733f..66e3d2a7d7 100644
--- a/wp-admin/install.php
+++ b/wp-admin/install.php
@@ -159,6 +159,8 @@ if ( is_blog_installed() ) {
 	die( '<h1>' . __( 'Already Installed' ) . '</h1><p>' . __( 'You appear to have already installed WordPress. To reinstall please clear your old database tables first.' ) . '</p><p class="step"><a href="../wp-login.php" class="button button-large">' . __( 'Log In' ) . '</a></p></body></html>' );
 }
 
+global $wp_version, $required_php_version, $required_mysql_version;
+
 $php_version    = phpversion();
 $mysql_version  = $wpdb->db_version();
 $php_compat     = version_compare( $php_version, $required_php_version, '>=' );
diff --git a/wp-admin/options-general.php b/wp-admin/options-general.php
index 4de67e2a7b..960c4f0c26 100644
--- a/wp-admin/options-general.php
+++ b/wp-admin/options-general.php
@@ -319,6 +319,8 @@ if ( empty($tzstring) ) { // Create a UTC+- zone if no timezone string exists
 <th scope="row"><label for="start_of_week"><?php _e('Week Starts On') ?></label></th>
 <td><select name="start_of_week" id="start_of_week">
 <?php
+global $wp_locale;
+
 for ($day_index = 0; $day_index <= 6; $day_index++) :
 	$selected = (get_option('start_of_week') == $day_index) ? 'selected="selected"' : '';
 	echo "\n\t<option value='" . esc_attr($day_index) . "' $selected>" . $wp_locale->get_weekday($day_index) . '</option>';
diff --git a/wp-admin/upgrade.php b/wp-admin/upgrade.php
index 57dedad94c..ece3eb056f 100644
--- a/wp-admin/upgrade.php
+++ b/wp-admin/upgrade.php
@@ -35,6 +35,8 @@ if ( 'upgrade_db' === $step ) {
 	die( '0' );
 }
 
+global $wp_version, $required_php_version, $required_mysql_version;
+
 $step = (int) $step;
 
 $php_version    = phpversion();
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 6b6e07b5e5..bbf65fb84d 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.2-alpha-31123';
+$wp_version = '4.2-alpha-31124';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.