diff --git a/installer/data/mysql/atomicupdate/bug_36002.pl b/installer/data/mysql/atomicupdate/bug_36002.pl
new file mode 100755
index 0000000000..188c48e7e7
--- /dev/null
+++ b/installer/data/mysql/atomicupdate/bug_36002.pl
@@ -0,0 +1,13 @@
+use Modern::Perl;
+
+return {
+    bug_number  => 36002,
+    description => "Remove aqorders.purchaseordernumber",
+    up          => sub {
+        my ($args) = @_;
+        my ( $dbh, $out ) = @$args{qw(dbh out)};
+        if ( column_exists( 'aqorders', 'purchaseordernumber' ) ) {
+            $dbh->do(q{ALTER TABLE aqorders DROP COLUMN purchaseordernumber});
+        }
+    },
+};
diff --git a/installer/data/mysql/kohastructure.sql b/installer/data/mysql/kohastructure.sql
index 002dbb1cd4..32514adcef 100644
--- a/installer/data/mysql/kohastructure.sql
+++ b/installer/data/mysql/kohastructure.sql
@@ -739,7 +739,6 @@ CREATE TABLE `aqorders` (
   `cancellationreason` mediumtext DEFAULT NULL COMMENT 'reason of cancellation',
   `order_internalnote` longtext DEFAULT NULL COMMENT 'notes related to this order line, made for staff',
   `order_vendornote` longtext DEFAULT NULL COMMENT 'notes related to this order line, made for vendor',
-  `purchaseordernumber` longtext DEFAULT NULL COMMENT 'not used? always NULL',
   `basketno` int(11) DEFAULT NULL COMMENT 'links this order line to a specific basket (aqbasket.basketno)',
   `timestamp` timestamp NOT NULL DEFAULT current_timestamp() ON UPDATE current_timestamp() COMMENT 'the date and time this order line was last modified',
   `rrp` decimal(13,2) DEFAULT NULL COMMENT 'the retail cost for this line item',