diff --git a/phpBB/db/mysql_schema.sql b/phpBB/db/mysql_schema.sql
index 4928ef6750..0edd5ac17d 100644
--- a/phpBB/db/mysql_schema.sql
+++ b/phpBB/db/mysql_schema.sql
@@ -212,9 +212,7 @@ CREATE TABLE phpbb_session (
    session_ip int(10) DEFAULT '0' NOT NULL,
    session_forum int(10),
    session_logged_in tinyint(1) DEFAULT '0' NOT NULL,
-   PRIMARY KEY (session_id),
-   KEY start_time (session_time),
-   KEY remote_ip (session_ip)
+   PRIMARY KEY (session_id)
 );