diff --git a/wp-admin/categories.php b/wp-admin/categories.php
index 2977e0b6a..8a4275d27 100644
--- a/wp-admin/categories.php
+++ b/wp-admin/categories.php
@@ -70,7 +70,6 @@ case 'bulk-delete':
 	}
 
 	$sendback = wp_get_referer();
-	$sendback = preg_replace('|[^a-z0-9-~+_.?#=&;,/:]|i', '', $sendback);
 
 	wp_redirect($sendback);
 	exit();
diff --git a/wp-admin/edit-pages.php b/wp-admin/edit-pages.php
index 4adcd3bcd..e5a8aa26b 100644
--- a/wp-admin/edit-pages.php
+++ b/wp-admin/edit-pages.php
@@ -52,7 +52,6 @@ if ( isset($_GET['action']) && ( -1 != $_GET['action'] || -1 != $_GET['action2']
 	$sendback = wp_get_referer();
 	if (strpos($sendback, 'page.php') !== false) $sendback = admin_url('page-new.php');
 	elseif (strpos($sendback, 'attachments.php') !== false) $sendback = admin_url('attachments.php');
-	$sendback = preg_replace('|[^a-z0-9-~+_.?#=&;,/:]|i', '', $sendback);
 	if ( isset($done) ) {
 		$done['updated'] = count( $done['updated'] );
 		$done['skipped'] = count( $done['skipped'] );
diff --git a/wp-admin/edit.php b/wp-admin/edit.php
index 84bfb372e..0a41f1c15 100644
--- a/wp-admin/edit.php
+++ b/wp-admin/edit.php
@@ -52,7 +52,6 @@ if ( isset($_GET['action']) && ( -1 != $_GET['action'] || -1 != $_GET['action2']
 	$sendback = wp_get_referer();
 	if ( strpos($sendback, 'post.php') !== false ) $sendback = admin_url('post-new.php');
 	elseif ( strpos($sendback, 'attachments.php') !== false ) $sendback = admin_url('attachments.php');
-	$sendback = preg_replace('|[^a-z0-9-~+_.?#=&;,/:]|i', '', $sendback);
 	if ( isset($done) ) {
 		$done['updated'] = count( $done['updated'] );
 		$done['skipped'] = count( $done['skipped'] );
diff --git a/wp-admin/link-manager.php b/wp-admin/link-manager.php
index 1a32851c1..d7aab6ece 100644
--- a/wp-admin/link-manager.php
+++ b/wp-admin/link-manager.php
@@ -24,9 +24,7 @@ if ( isset($_GET['action']) && isset($_GET['linkcheck']) ) {
 			wp_delete_link($link_id);
 		}
 
-		$sendback = wp_get_referer();
-		$sendback = preg_replace('|[^a-z0-9-~+_.?#=&;,/:]|i', '', $sendback);
-		wp_redirect($sendback);
+		wp_redirect( wp_get_referer() );
 		exit;
 	}
 } elseif ( isset($_GET['_wp_http_referer']) && ! empty($_GET['_wp_http_referer']) ) {
diff --git a/wp-admin/page.php b/wp-admin/page.php
index 5d93b4209..aaca7bc07 100644
--- a/wp-admin/page.php
+++ b/wp-admin/page.php
@@ -168,7 +168,6 @@ case 'delete':
 	$sendback = wp_get_referer();
 	if (strpos($sendback, 'page.php') !== false) $sendback = admin_url('page-new.php');
 	elseif (strpos($sendback, 'attachments.php') !== false) $sendback = admin_url('attachments.php');
-	$sendback = preg_replace('|[^a-z0-9-~+_.?#=&;,/:]|i', '', $sendback);
 	wp_redirect($sendback);
 	exit();
 	break;
diff --git a/wp-admin/post.php b/wp-admin/post.php
index f9494d79e..17b2b05fb 100644
--- a/wp-admin/post.php
+++ b/wp-admin/post.php
@@ -213,7 +213,6 @@ case 'delete':
 	$sendback = wp_get_referer();
 	if (strpos($sendback, 'post.php') !== false) $sendback = admin_url('post-new.php');
 	elseif (strpos($sendback, 'attachments.php') !== false) $sendback = admin_url('attachments.php');
-	$sendback = preg_replace('|[^a-z0-9-~+_.?#=&;,/:]|i', '', $sendback);
 	wp_redirect($sendback);
 	exit();
 	break;