diff --git a/addons/account/models/account_move.py b/addons/account/models/account_move.py
index 0d7d1424290..b7b3e4ed8d6 100644
--- a/addons/account/models/account_move.py
+++ b/addons/account/models/account_move.py
@@ -428,6 +428,7 @@ class AccountMove(models.Model):
         compute='_compute_tax_totals',
         inverse='_inverse_tax_totals',
         help='Edit Tax amounts if you encounter rounding issues.',
+        exportable=False,
     )
     payment_state = fields.Selection(
         selection=[
diff --git a/addons/purchase/models/purchase.py b/addons/purchase/models/purchase.py
index 78e630018cb..a52d492895b 100644
--- a/addons/purchase/models/purchase.py
+++ b/addons/purchase/models/purchase.py
@@ -110,7 +110,7 @@ class PurchaseOrder(models.Model):
     date_calendar_start = fields.Datetime(compute='_compute_date_calendar_start', readonly=True, store=True)
 
     amount_untaxed = fields.Monetary(string='Untaxed Amount', store=True, readonly=True, compute='_amount_all', tracking=True)
-    tax_totals = fields.Binary(compute='_compute_tax_totals')
+    tax_totals = fields.Binary(compute='_compute_tax_totals', exportable=False)
     amount_tax = fields.Monetary(string='Taxes', store=True, readonly=True, compute='_amount_all')
     amount_total = fields.Monetary(string='Total', store=True, readonly=True, compute='_amount_all')
 
diff --git a/addons/sale/models/sale_order.py b/addons/sale/models/sale_order.py
index 77595b4064c..274de8bd492 100644
--- a/addons/sale/models/sale_order.py
+++ b/addons/sale/models/sale_order.py
@@ -276,7 +276,7 @@ class SaleOrder(models.Model):
         compute='_compute_tax_country_id',
         # Avoid access error on fiscal position when reading a sale order with company != user.company_ids
         compute_sudo=True)  # used to filter available taxes depending on the fiscal country and position
-    tax_totals = fields.Binary(compute='_compute_tax_totals')
+    tax_totals = fields.Binary(compute='_compute_tax_totals', exportable=False)
     terms_type = fields.Selection(related='company_id.terms_type')
     type_name = fields.Char(string="Type Name", compute='_compute_type_name')