diff --git a/dbt_project.yml b/dbt_project.yml
index bb7a17d..8d07688 100644
--- a/dbt_project.yml
+++ b/dbt_project.yml
@@ -16,12 +16,8 @@ models:
       quickbooks_general_ledger:
         dist: id
         sort: txn_date
-      quickbooks_parent_class_map:
-        enabled: false    # set to true if this quickbooks install uses classes
     base:
       materialized: ephemeral
-      quickbooks_classes:
-        enabled: false    # set to true if this quickbooks install uses classes
 
     vars:
       "base.accounts"                     : "quickbooks.quickbooks_accounts"
@@ -46,5 +42,3 @@ models:
       "base.vendors"                      : "quickbooks.quickbooks_vendors"
       "level_0_id_field"                  : "_sdc_level_0_id"
       "source_key_id_field"               : "_sdc_source_key_id"
-      uses_classes                        : "false"   # set to true if this quickbooks install uses classes
-
diff --git a/models/base/quickbooks_bill_lines.sql b/models/base/quickbooks_bill_lines.sql
index 72eda9b..d5773aa 100644
--- a/models/base/quickbooks_bill_lines.sql
+++ b/models/base/quickbooks_bill_lines.sql
@@ -3,9 +3,7 @@ select
   id::int,
   amount,
   {{ var('source_key_id_field') }} as bill_id,
-  {% if var('uses_classes') == "true" %}
-    nullif(accountbasedexpenselinedetail__classref__value::varchar, '')::bigint as class_id,
-  {% endif %}
+  nullif(accountbasedexpenselinedetail__classref__value::varchar, '')::bigint as class_id,
   accountbasedexpenselinedetail__accountref__value::int as account_id
 from
   {{ var('base.bills_line') }}
diff --git a/models/base/quickbooks_deposit_lines.sql b/models/base/quickbooks_deposit_lines.sql
index 140817c..80c96de 100644
--- a/models/base/quickbooks_deposit_lines.sql
+++ b/models/base/quickbooks_deposit_lines.sql
@@ -18,9 +18,7 @@ select
   lines._id as id,
   lines.deposit_id,
   lines.amount,
-  {% if var('uses_classes') == "true" %}
-    nullif(lines.depositlinedetail__classref__value::varchar, '')::bigint as class_id,
-  {% endif %}
+  nullif(lines.depositlinedetail__classref__value::varchar, '')::bigint as class_id,
   nullif(lines.depositlinedetail__accountref__value::varchar, '')::int as account_id,
   links.txnid::int as payment_id
 from lines
diff --git a/models/base/quickbooks_invoice_lines.sql b/models/base/quickbooks_invoice_lines.sql
index 481cd1d..11f6559 100644
--- a/models/base/quickbooks_invoice_lines.sql
+++ b/models/base/quickbooks_invoice_lines.sql
@@ -4,9 +4,7 @@ select
   amount,
   description,
   {{ var('source_key_id_field') }}::int as invoice_id,
-  {% if var('uses_classes') == "true" %}
-    nullif(salesitemlinedetail__classref__value::varchar, '')::bigint as class_id,
-  {% endif %}
+  nullif(salesitemlinedetail__classref__value::varchar, '')::bigint as class_id,
   salesitemlinedetail__itemref__value::int as item_id
 from
   {{ var('base.invoices_lines') }}
diff --git a/models/base/quickbooks_journal_lines.sql b/models/base/quickbooks_journal_lines.sql
index b38ee60..fcf4d38 100644
--- a/models/base/quickbooks_journal_lines.sql
+++ b/models/base/quickbooks_journal_lines.sql
@@ -5,9 +5,7 @@ select
   amount,
   description,
   journalentrylinedetail__accountref__value::integer as account_id,
-  {% if var('uses_classes') == "true" %}
-    nullif(journalentrylinedetail__classref__value::varchar, '')::bigint as class_id,
-  {% endif %}
+  nullif(journalentrylinedetail__classref__value::varchar, '')::bigint as class_id,
   journalentrylinedetail__postingtype as posting_type
 from
   {{ var('base.journal_entries_line') }}
diff --git a/models/base/quickbooks_purchase_lines.sql b/models/base/quickbooks_purchase_lines.sql
index c087192..5bf1e5a 100644
--- a/models/base/quickbooks_purchase_lines.sql
+++ b/models/base/quickbooks_purchase_lines.sql
@@ -3,9 +3,7 @@ select
   id::int,
   amount,
   {{ var('source_key_id_field') }}::int as purchase_id,
-  {% if var('uses_classes') == "true" %}
-    nullif(accountbasedexpenselinedetail__classref__value::varchar, '')::bigint as class_id,
-  {% endif %}
+  nullif(accountbasedexpenselinedetail__classref__value::varchar, '')::bigint as class_id,
   accountbasedexpenselinedetail__accountref__value::int as account_id
 from
   {{ var('base.purchases_line') }}
diff --git a/models/tables/quickbooks_general_ledger.sql b/models/tables/quickbooks_general_ledger.sql
index 7f37423..dc16bb8 100644
--- a/models/tables/quickbooks_general_ledger.sql
+++ b/models/tables/quickbooks_general_ledger.sql
@@ -6,10 +6,8 @@ with unioned as (
     amount,
     account_id,
     transaction_type::varchar(64),
-    source::varchar(64)
-    {% if var('uses_classes') == "true" %}
-      , class_id
-    {% endif %}
+    source::varchar(64),
+    class_id
   from {{ref('quickbooks_bill_transactions')}}
 
   union all
diff --git a/models/transform/quickbooks_bill_transactions.sql b/models/transform/quickbooks_bill_transactions.sql
index 18cb78d..83b8da8 100644
--- a/models/transform/quickbooks_bill_transactions.sql
+++ b/models/transform/quickbooks_bill_transactions.sql
@@ -13,28 +13,31 @@ with bills as (
 
   select bills.id, bills.txn_date, bill_lines.amount,
     bill_lines.account_id as payed_to_acct_id,
-    ap_account_id
-    {% if var('uses_classes') == "true" %}
-      , bill_lines.class_id
-    {% endif %}
+    ap_account_id,
+    bill_lines.class_id
   from bills
     inner join bill_lines on bills.id = bill_lines.bill_id
 
 )
 
-select id, txn_date, amount, payed_to_acct_id as account_id,
-  'debit'::varchar(16) as transaction_type, 'bill'::varchar(16) as source
-  {% if var('uses_classes') == "true" %}
-    , class_id::bigint
-  {% endif %}
+select id,
+  txn_date,
+  amount,
+  payed_to_acct_id as account_id,
+  'debit'::varchar(16) as transaction_type,
+  'bill'::varchar(16) as source,
+  class_id::bigint
 
 from d1
 
 union all
 
-select id, txn_date, amount, ap_account_id,
-  'credit' as transaction_type, 'bill'
-  {% if var('uses_classes') == "true" %}
-    , class_id::bigint
-  {% endif %}
+select
+  id,
+  txn_date,
+  amount,
+  ap_account_id,
+  'credit' as transaction_type,
+  'bill',
+  class_id::bigint
 from d1
diff --git a/models/transform/quickbooks_billpayment_transactions.sql b/models/transform/quickbooks_billpayment_transactions.sql
index 9e9e527..b08ffb5 100644
--- a/models/transform/quickbooks_billpayment_transactions.sql
+++ b/models/transform/quickbooks_billpayment_transactions.sql
@@ -12,7 +12,11 @@ with bill_payments as (
 ), d1 as (
 
   select
-    bp.id, bp.txn_date, bpl.amount, payment_account_id, ap.id as ap_id
+    bp.id,
+    bp.txn_date,
+    bpl.amount,
+    payment_account_id,
+    ap.id as ap_id
   from bill_payments bp
     inner join billpayment_lines bpl on bp.id = bpl.bill_payment_id
     join (select id from {{ref('quickbooks_accounts')}} where type = 'Accounts Payable') ap
@@ -21,21 +25,25 @@ with bill_payments as (
 )
 
 select
-  id, txn_date, amount, payment_account_id as account_id, 'credit' as transaction_type,
-  'bill payment' as source
-  {% if var('uses_classes') == "true" %}
-    , null::bigint as class_id
-  {% endif %}
+  id,
+  txn_date,
+  amount,
+  payment_account_id as account_id,
+  'credit' as transaction_type,
+  'bill payment' as source,
+  null::bigint as class_id
 from
   d1
 
 union all
 
 select
-  id, txn_date, amount, ap_id, 'debit', 'bill payment'
-
-  {% if var('uses_classes') == "true" %}
-    , null::bigint
-  {% endif %}
+  id,
+  txn_date,
+  amount,
+  ap_id,
+  'debit',
+  'bill payment',
+  null::bigint
 from
   d1
diff --git a/models/transform/quickbooks_deposit_transactions.sql b/models/transform/quickbooks_deposit_transactions.sql
index 3f69038..54bd3da 100644
--- a/models/transform/quickbooks_deposit_transactions.sql
+++ b/models/transform/quickbooks_deposit_transactions.sql
@@ -11,13 +11,13 @@ with lines as (
 
 ), d1 as (
 
-  select deposits.id, deposits.txn_date, lines.amount,
+  select
+    deposits.id,
+    deposits.txn_date,
+    lines.amount,
     deposits.account_id as deposit_to_acct_id,
-    coalesce(lines.account_id, udf.id) as deposit_from_acct_id
-    {% if var('uses_classes') == "true" %}
-      , lines.class_id
-    {% endif %}
-
+    coalesce(lines.account_id, udf.id) as deposit_from_acct_id,
+    lines.class_id
   from deposits
     inner join lines on deposits.id = lines.deposit_id
     join (select id from {{ref('quickbooks_accounts')}} where subtype = 'UndepositedFunds') udf
@@ -25,17 +25,24 @@ with lines as (
 
 )
 
-select id, txn_date, amount, deposit_to_acct_id as account_id,
-  'debit' as transaction_type, 'deposit' as source
-  {% if var('uses_classes') == "true" %}
-    , class_id
-  {% endif %}
+select
+  id,
+  txn_date,
+  amount,
+  deposit_to_acct_id as account_id,
+  'debit' as transaction_type,
+  'deposit' as source,
+  class_id
 from d1
 
 union all
 
-select id, txn_date, amount, deposit_from_acct_id, 'credit', 'deposit'
-  {% if var('uses_classes') == "true" %}
-    , class_id
-  {% endif %}
+select
+  id,
+  txn_date,
+  amount,
+  deposit_from_acct_id,
+  'credit',
+  'deposit',
+  class_id
 from d1
diff --git a/models/transform/quickbooks_invoice_transactions.sql b/models/transform/quickbooks_invoice_transactions.sql
index 13ba821..c2ccb0e 100644
--- a/models/transform/quickbooks_invoice_transactions.sql
+++ b/models/transform/quickbooks_invoice_transactions.sql
@@ -20,11 +20,8 @@ with invoice_lines as (
     invoices.id,
     invoices.txn_date,
     invoice_lines.amount,
-    items.account_id
-    {% if var('uses_classes') == "true" %}
-      , invoice_lines.class_id
-    {% endif %}
-
+    items.account_id,
+    invoice_lines.class_id
   from invoices
     inner join invoice_lines on invoices.id = invoice_lines.invoice_id
     inner join items on invoice_lines.item_id = items.id
@@ -32,23 +29,25 @@ with invoice_lines as (
 )
 
 select
-  id, txn_date, amount, account_id, 'credit' as transaction_type, 'invoice' as source
-  {% if var('uses_classes') == "true" %}
-    , class_id
-  {% endif %}
-
+  id,
+  txn_date,
+  amount,
+  account_id,
+  'credit' as transaction_type,
+  'invoice' as source,
+  class_id
 from d1
 
 union all
 
 select
-  d1.id, txn_date, amount,
+  d1.id,
+  txn_date,
+  amount,
   ar.id,
   'debit' as transaction_type,
-  'invoice'
-  {% if var('uses_classes') == "true" %}
-    , class_id
-  {% endif %}
+  'invoice',
+  class_id
 from d1
   join (select id from {{ref('quickbooks_accounts')}} where type = 'Accounts Receivable') ar
     on 1 = 1
diff --git a/models/transform/quickbooks_journal_transactions.sql b/models/transform/quickbooks_journal_transactions.sql
index d437c18..fbc264b 100644
--- a/models/transform/quickbooks_journal_transactions.sql
+++ b/models/transform/quickbooks_journal_transactions.sql
@@ -9,10 +9,12 @@ with entries as (
 )
 
 select
-  entries.id, entries.txn_date, lines.amount, account_id, lower(posting_type) as transaction_type,
-  'journal' as source
-  {% if var('uses_classes') == "true" %}
-    , lines.class_id
-  {% endif %}
+  entries.id,
+  entries.txn_date,
+  lines.amount,
+  account_id,
+  lower(posting_type) as transaction_type,
+  'journal' as source,
+  lines.class_id
 from entries
   inner join lines on entries.id = lines.entry_id
diff --git a/models/transform/quickbooks_payment_transactions.sql b/models/transform/quickbooks_payment_transactions.sql
index 878ee4f..eee2a97 100644
--- a/models/transform/quickbooks_payment_transactions.sql
+++ b/models/transform/quickbooks_payment_transactions.sql
@@ -8,22 +8,26 @@ with payments as (
 
 )
 
-select payments.id, txn_date, total as amount, account_id,
+select
+  payments.id,
+  txn_date,
+  total as amount,
+  account_id,
   'debit' as transaction_type,
-  'payment' as source
-  {% if var('uses_classes') == "true" %}
-    , null::bigint as class_id
-  {% endif %}
+  'payment' as source,
+  null::bigint as class_id
 from payments
 
 union all
 
-select payments.id, txn_date, total, ar.id,
+select
+  payments.id,
+  txn_date,
+  total,
+  ar.id,
   'credit',
-  'payment'
-  {% if var('uses_classes') == "true" %}
-    , null::bigint
-  {% endif %}
+  'payment',
+  null::bigint
 from payments
   join (select id from {{ref('quickbooks_accounts')}} where type = 'Accounts Receivable') ar
     on 1 = 1
diff --git a/models/transform/quickbooks_purchase_transactions.sql b/models/transform/quickbooks_purchase_transactions.sql
index d1b7858..ec3ea88 100644
--- a/models/transform/quickbooks_purchase_transactions.sql
+++ b/models/transform/quickbooks_purchase_transactions.sql
@@ -28,26 +28,31 @@ with purchases as (
     case nvl(purchases.credit, false::bool)
       when true then 'credit'
     else 'debit'
-    end as payed_to_transaction_type
-    {% if var('uses_classes') == "true" %}
-      , purchase_lines.class_id
-    {% endif %}
+    end as payed_to_transaction_type,
+    purchase_lines.class_id
   from purchases
     inner join purchase_lines on purchases.id = purchase_lines.purchase_id
 
 )
 
-select id, txn_date, amount, payed_from_acct_id as account_id,
+select
+  id,
+  txn_date,
+  amount,
+  payed_from_acct_id as account_id,
   payed_from_transaction_type as transaction_type,
-  'purchase' as source
-  {% if var('uses_classes') == "true" %}
-    , class_id
-  {% endif %}
+  'purchase' as source,
+  class_id
 from d1
+
 union all
-select id, txn_date, amount, payed_to_acct_id,
-  payed_to_transaction_type, 'purchase'
-  {% if var('uses_classes') == "true" %}
-    , class_id
-  {% endif %}
+
+select
+  id,
+  txn_date,
+  amount,
+  payed_to_acct_id,
+  payed_to_transaction_type,
+  'purchase',
+  class_id
 from d1