diff --git a/rma_purchase/models/rma_operation.py b/rma_purchase/models/rma_operation.py
index fd210876..5ee52512 100644
--- a/rma_purchase/models/rma_operation.py
+++ b/rma_purchase/models/rma_operation.py
@@ -14,7 +14,6 @@ class RmaOperation(models.Model):
             ("ordered", "Based on Ordered Quantities"),
             ("delivered", "Based on Delivered Quantities"),
         ],
-        string="Purchase Policy",
         default="no",
     )
 
diff --git a/rma_purchase/models/rma_order_line.py b/rma_purchase/models/rma_order_line.py
index 2ab5696e..2015d4d9 100644
--- a/rma_purchase/models/rma_order_line.py
+++ b/rma_purchase/models/rma_order_line.py
@@ -64,7 +64,6 @@ class RmaOrderLine(models.Model):
             ("ordered", "Based on Ordered Quantities"),
             ("delivered", "Based on Delivered Quantities"),
         ],
-        string="Purchase Policy",
         default="no",
         required=True,
     )
@@ -76,14 +75,12 @@ class RmaOrderLine(models.Model):
         copy=False,
     )
     qty_to_purchase = fields.Float(
-        string="Qty To Purchase",
         copy=False,
         digits="Product Unit of Measure",
         readonly=True,
         compute="_compute_qty_purchase",
     )
     qty_purchased = fields.Float(
-        string="Qty Purchased",
         copy=False,
         digits="Product Unit of Measure",
         readonly=True,
diff --git a/rma_purchase/tests/test_rma_purchase.py b/rma_purchase/tests/test_rma_purchase.py
index 033cc6e0..c9cd65f6 100644
--- a/rma_purchase/tests/test_rma_purchase.py
+++ b/rma_purchase/tests/test_rma_purchase.py
@@ -78,7 +78,7 @@ class TestRmaPurchase(common.TransactionCase):
         """Test wizard to create supplier RMA from Purchase Orders."""
         self.assertEqual(self.rma_group.origin_po_count, 0)
         add_purchase = self.rma_add_purchase_wiz.with_context(
-            {
+            **{
                 "supplier": True,
                 "active_ids": self.rma_group.id,
                 "active_model": "rma.order",
diff --git a/rma_purchase/wizards/rma_add_purchase.xml b/rma_purchase/wizards/rma_add_purchase.xml
index d32e81bd..be999935 100644
--- a/rma_purchase/wizards/rma_add_purchase.xml
+++ b/rma_purchase/wizards/rma_add_purchase.xml
@@ -23,7 +23,7 @@
                     domain="[('order_id', '=', purchase_id)]"
                     string="Purchase Order Lines"
                 >
-                    <tree string="Purchase Order Lines">
+                    <tree name="Purchase Order Lines">
                         <field name="order_id" />
                         <field name="name" />
                         <field name="partner_id" string="Vendor" />
diff --git a/rma_purchase/wizards/rma_order_line_make_purchase_order_view.xml b/rma_purchase/wizards/rma_order_line_make_purchase_order_view.xml
index 73e9ce2a..03eed7cc 100644
--- a/rma_purchase/wizards/rma_order_line_make_purchase_order_view.xml
+++ b/rma_purchase/wizards/rma_order_line_make_purchase_order_view.xml
@@ -24,7 +24,7 @@
                  <newline />
                  <group>
                      <field name="item_ids" nolabel="1" colspan="2">
-                          <tree string="Details" editable="bottom" create="false">
+                          <tree name="Details" editable="bottom" create="false">
                               <field name="line_id" options="{'no_open': true}" />
                               <field name="product_id" />
                               <field name="name" />