diff --git a/wp-admin/options-general.php b/wp-admin/options-general.php
index 57a1b149ae..45eb055ff4 100644
--- a/wp-admin/options-general.php
+++ b/wp-admin/options-general.php
@@ -135,44 +135,6 @@ if ( $new_admin_email && $new_admin_email != get_option('admin_email') ) : ?>
 <?php } ?>
 <tr>
 <?php
-if ( !wp_timezone_supported() ) : // no magic timezone support here
-?>
-<th scope="row"><label for="gmt_offset"><?php _e('Timezone') ?> </label></th>
-<td>
-<select name="gmt_offset" id="gmt_offset">
-<?php
-$current_offset = get_option('gmt_offset');
-$offset_range = array (-12, -11.5, -11, -10.5, -10, -9.5, -9, -8.5, -8, -7.5, -7, -6.5, -6, -5.5, -5, -4.5, -4, -3.5, -3, -2.5, -2, -1.5, -1, -0.5,
-	0, 0.5, 1, 1.5, 2, 2.5, 3, 3.5, 4, 4.5, 5, 5.5, 5.75, 6, 6.5, 7, 7.5, 8, 8.5, 8.75, 9, 9.5, 10, 10.5, 11, 11.5, 12, 12.75, 13, 13.75, 14);
-foreach ( $offset_range as $offset ) {
-	if ( 0 < $offset )
-		$offset_name = '+' . $offset;
-	elseif ( 0 == $offset )
-		$offset_name = '';
-	else
-		$offset_name = (string) $offset;
-
-	$offset_name = str_replace(array('.25','.5','.75'), array(':15',':30',':45'), $offset_name);
-
-	$selected = '';
-	if ( $current_offset == $offset ) {
-		$selected = " selected='selected'";
-		$current_offset_name = $offset_name;
-	}
-	echo "<option value=\"" . esc_attr($offset) . "\"$selected>" . sprintf(__('UTC %s'), $offset_name) . '</option>';
-}
-?>
-</select>
-<?php _e('hours'); ?>
-<span id="utc-time"><?php printf(__('<abbr title="Coordinated Universal Time">UTC</abbr> time is <code>%s</code>'), date_i18n( $time_format, false, 'gmt')); ?></span>
-<?php if ($current_offset) : ?>
-	<span id="local-time"><?php printf(__('UTC %1$s is <code>%2$s</code>'), $current_offset_name, date_i18n($time_format)); ?></span>
-<?php endif; ?>
-<br />
-<span class="description"><?php _e('Unfortunately, you have to manually update this for daylight saving time. The PHP Date/Time library is not supported by your web host.'); ?></span>
-</td>
-<?php
-else: // looks like we can do nice timezone selection!
 $current_offset = get_option('gmt_offset');
 $tzstring = get_option('timezone_string');
 
@@ -250,7 +212,6 @@ if ( empty($tzstring) ) { // Create a UTC+- zone if no timezone string exists
 <?php endif; ?>
 </td>
 
-<?php endif; ?>
 </tr>
 <tr>
 <th scope="row"><?php _e('Date Format') ?></th>
diff --git a/wp-includes/deprecated.php b/wp-includes/deprecated.php
index bc2f7a0a1b..e53bc5d7cf 100644
--- a/wp-includes/deprecated.php
+++ b/wp-includes/deprecated.php
@@ -2618,4 +2618,18 @@ function wp_clone( $object ) {
 	_deprecated_function( __FUNCTION__, '3.2' );
 
 	return clone $object;
-}
\ No newline at end of file
+}
+
+/**
+ * Check for PHP timezone support
+ *
+ * @since 2.9.0
+ * @deprecated 3.2
+ *
+ * @return bool
+ */
+function wp_timezone_supported() {
+	_deprecated_function( __FUNCTION__, '3.2' );
+ 
+	return true;
+}
diff --git a/wp-includes/functions.php b/wp-includes/functions.php
index 7abe4525bf..b61259cfce 100644
--- a/wp-includes/functions.php
+++ b/wp-includes/functions.php
@@ -120,7 +120,7 @@ function date_i18n( $dateformatstring, $unixtimestamp = false, $gmt = false ) {
 	}
 	$timezone_formats = array( 'P', 'I', 'O', 'T', 'Z', 'e' );
 	$timezone_formats_re = implode( '|', $timezone_formats );
-	if ( preg_match( "/$timezone_formats_re/", $dateformatstring ) && wp_timezone_supported() ) {
+	if ( preg_match( "/$timezone_formats_re/", $dateformatstring ) ) {
 		$timezone_string = get_option( 'timezone_string' );
 		if ( $timezone_string ) {
 			$timezone_object = timezone_open( $timezone_string );
@@ -4062,9 +4062,6 @@ function global_terms_enabled() {
  * @return float|bool
  */
 function wp_timezone_override_offset() {
-	if ( !wp_timezone_supported() ) {
-		return false;
-	}
 	if ( !$timezone_string = get_option( 'timezone_string' ) ) {
 		return false;
 	}
@@ -4077,27 +4074,6 @@ function wp_timezone_override_offset() {
 	return round( timezone_offset_get( $timezone_object, $datetime_object ) / 3600, 2 );
 }
 
-/**
- * Check for PHP timezone support
- *
- * @since 2.9.0
- *
- * @return bool
- */
-function wp_timezone_supported() {
-	$support = false;
-	if (
-		function_exists( 'date_create' ) &&
-		function_exists( 'date_default_timezone_set' ) &&
-		function_exists( 'timezone_identifiers_list' ) &&
-		function_exists( 'timezone_open' ) &&
-		function_exists( 'timezone_offset_get' )
-	) {
-		$support = true;
-	}
-	return apply_filters( 'timezone_support', $support );
-}
-
 /**
  * {@internal Missing Short Description}}
  *