diff --git a/html/ops/clear_host.php b/html/ops/clear_host.php
index b1b852ed12..ee9d36b7c8 100644
--- a/html/ops/clear_host.php
+++ b/html/ops/clear_host.php
@@ -18,14 +18,14 @@
 
 require_once("../inc/util_ops.inc");
 
-db_init();
-$hostid = $_GET["hostid"];
+$hostid = get_int("hostid");
 
-if (!$hostid) {
-    error_page("no host ID\n");
+$host = BoincHost::lookup_id($hostid);
+if (!$host) {
+    error_page("no such host\n");
 }
 
-mysql_query("update host set rpc_time=0 where id='$hostid'");
+$host->update("rpc_time=0");
 echo "Host RPC time cleared for host ID: $hostid\n";
 
 admin_page_tail();
diff --git a/html/ops/manage_special_users_action.php b/html/ops/manage_special_users_action.php
index 82d1f8b3e7..569871e215 100644
--- a/html/ops/manage_special_users_action.php
+++ b/html/ops/manage_special_users_action.php
@@ -36,7 +36,7 @@ if ($bitset == "0000000") $bitset = '';
 $userid = post_int("userid");
 
 $query = "UPDATE forum_preferences SET special_user='$bitset' WHERE userid='$userid'";
-mysql_query($query);
+_mysql_query($query);
 
 if (mysql_affected_rows() == 1) {
     echo "<center><h2>Success</h2>";