diff --git a/build/portal/html/install/upgrade.php b/build/portal/html/install/upgrade.php
index 120c346..8b8c8a0 100644
--- a/build/portal/html/install/upgrade.php
+++ b/build/portal/html/install/upgrade.php
@@ -54,7 +54,7 @@
             // Change tables containing datetime data to datetime.
             if ($settings::db_driver != "xml") {
 
-                // ALter MySQL tables.
+                // Alter MySQL tables.
                 if ($settings::db_driver != "mysql") {
                     $dbh = $common->pdoOpen();
 
@@ -90,95 +90,6 @@
 
                     $dbh = NULL;
                 }
-
-                // Convert times to GMT.
-
-                // You may wish to uncomment this block of code in order to convert existing times
-                // stored in the database to UTC/GMT time. Before doing so it is recommended that
-                // you set the setting max_execution_time setting to a large amount of time in your
-                // php.ini file. Depending on the amount of flight data logged this may take quite
-                // some time for this upgrade script to complete so be patient and let it run it's
-                // course. Afterwards set the max_execution_time back to it previous setting.
-
-                /*
-                $dbh = $common->pdoOpen();
-                $sql = "SELECT id, firstSeen, lastSeen FROM ".$settings::db_prefix."aircraft";
-                $sth = $dbh->prepare($sql);
-                $sth->execute();
-                $aircraft = $sth->fetchAll();
-                $sth = NULL;
-                $dbh = NULL;
-
-                foreach ($aircraft as $airframe) {
-                    $dbh = $common->pdoOpen();
-                    $sql = "UPDATE ".$settings::db_prefix."aircraft SET firstSeen = :firstSeen, lastSeen = :lastSeen WHERE id = :id";
-                    $sth = $dbh->prepare($sql);
-                    $sth->bindParam(':firstSeen',  gmdate("Y-m-d H:i:s", $airframe["firstSeen"]), PDO::PARAM_STR);
-                    $sth->bindParam(':lastSeen', gmdate("Y-m-d H:i:s", $airframe["lastSeen"]), PDO::PARAM_STR);
-                    $sth->bindParam(':id', $airframe["id"], PDO::PARAM_INT);
-                    $sth->execute();
-                    $sth = NULL;
-                    $dbh = NULL;
-                }
-
-                $dbh = $common->pdoOpen();
-                $sql = "SELECT id, date FROM ".$settings::db_prefix."blogPosts";
-                $sth = $dbh->prepare($sql);
-                $sth->execute();
-                $blogPosts = $sth->fetchAll();
-                $sth = NULL;
-                $dbh = NULL;
-
-                foreach ($blogPosts as $post) {
-                    $dbh = $common->pdoOpen();
-                    $sql = "UPDATE ".$settings::db_prefix."blogPosts SET date = :date WHERE id = :id";
-                    $sth = $dbh->prepare($sql);
-                    $sth->bindParam(':date', gmdate("Y-m-d H:i:s", $post["date"]), PDO::PARAM_STR);
-                    $sth->bindParam(':id', $post["id"], PDO::PARAM_INT);
-                    $sth->execute();
-                    $sth = NULL;
-                    $dbh = NULL;
-                }
-
-                $dbh = $common->pdoOpen();
-                $sql = "SELECT id, firstSeen, lastSeen FROM ".$settings::db_prefix."flights";
-                $sth = $dbh->prepare($sql);
-                $sth->execute();
-                $flights = $sth->fetchAll();
-                $sth = NULL;
-                $dbh = NULL;
-
-                foreach ($flights as $flight) {
-                    $dbh = $common->pdoOpen();
-                    $sql = "UPDATE ".$settings::db_prefix."flights SET firstSeen = :firstSeen, lastSeen = lastSeen WHERE id = :id";
-                    $sth = $dbh->prepare($sql);
-                    $sth->bindParam(':firstSeen', gmdate("Y-m-d H:i:s", $flight["firstSeen"]), PDO::PARAM_STR);
-                    $sth->bindParam(':lastSeen', gmdate("Y-m-d H:i:s", $flight["lastSeen"]), PDO::PARAM_STR);
-                    $sth->bindParam(':id', $flight["id"], PDO::PARAM_INT);
-                    $sth->execute();
-                    $sth = NULL;
-                    $dbh = NULL;
-                }
-
-                $dbh = $common->pdoOpen();
-                $sql = "SELECT id, time FROM ".$settings::db_prefix."positions";
-                $sth = $dbh->prepare($sql);
-                $sth->execute();
-                $positionss = $sth->fetchAll();
-                $sth = NULL;
-                $dbh = NULL;
-
-                foreach ($positions as $position) {
-                    $dbh = $common->pdoOpen();
-                    $sql = "UPDATE ".$settings::db_prefix."positions SET time = :time WHERE id = :id";
-                    $sth = $dbh->prepare($sql);
-                    $sth->bindParam(':time', gmdate("Y-m-d H:i:s", $position["time"]), PDO::PARAM_STR);
-                    $sth->bindParam(':id', $position["id"], PDO::PARAM_INT);
-                    $sth->execute();
-                    $sth = NULL;
-                    $dbh = NULL;
-                }
-                */
             }
 
             // Add timezone setting.
@@ -239,19 +150,12 @@
 
                 if ($settings::db_driver == "sqlite") {
                     // In SQLite aircraft.flight should have been an INTEGER not TEXT column.
-                    // Since SQLite does not fully support ALTER TABEL allowing the change to be done easily this change will be skipped.
+                    // Since SQLite does not fully support ALTER TABLE allowing the change to be done easily this change will be skipped.
                     // This change will be addressed in the future if a problem arises with this column not being specifed as an INTEGER.
 
-                    // Add the column positions.aircraft.
-                    $dbh = $common->pdoOpen();
-
-                    $sql = "ALTER TABLE ".$settings::db_prefix."positions ADD COLUMN aircraft INTEGER";
-                    $sth = $dbh->prepare($sql);
-                    $sth->execute();
-                    $sth = NULL;
-                    $dbh = NULL;
-
                     // Add FAA database tables.
+                    // The FAA database will not be used.
+                    // These tables will be remove in the future once it is known it will not effect the portal once removed.
                     $faaMasterSql = 'CREATE TABLE '.$dbPrefix.'faa_master (
                                        nNumber VARCHAR(5) NOT NULL,
                                        serialNumber VARCHAR(30) NULL,
@@ -322,7 +226,6 @@
                 }
 
                 if ($settings::db_driver == "mysql") {
-
                     // Added check to see if column already exists.
                     $dbh = $common->pdoOpen();
                     if (count($dbh->query("SHOW COLUMNS FROM `".$settings::db_prefix."positions` LIKE 'aircraft'")->fetchAll())) {
@@ -334,7 +237,6 @@
                         //$dbh = NULL;
                     }
                     $dbh = NULL;
-
                 }
             }
             $common->updateSetting("version", "2.1.0");