diff --git a/Koha/REST/V1/Acquisitions/Vendors.pm b/Koha/REST/V1/Acquisitions/Vendors.pm
index 33157edfd9..1ae2bde2c9 100644
--- a/Koha/REST/V1/Acquisitions/Vendors.pm
+++ b/Koha/REST/V1/Acquisitions/Vendors.pm
@@ -89,9 +89,6 @@ sub add {
     my $contacts   = delete $vendor->{contacts};
     my $interfaces = delete $vendor->{interfaces};
     my $aliases    = delete $vendor->{aliases};
-    delete $vendor->{subscriptions};
-    delete $vendor->{baskets};
-    delete $vendor->{contracts};
 
     my $vendor_to_store = Koha::Acquisition::Bookseller->new_from_api( $c->req->json );
 
@@ -132,9 +129,6 @@ sub update {
         my $contacts      = delete $vendor_update->{contacts};
         my $interfaces    = delete $vendor_update->{interfaces};
         my $aliases       = delete $vendor_update->{aliases};
-        my $subscriptions = delete $vendor_update->{subscriptions};
-        my $baskets       = delete $vendor_update->{baskets};
-        my $contracts     = delete $vendor_update->{contracts};
 
         $vendor->set_from_api($vendor_update);
         $vendor->store();
diff --git a/koha-tmpl/intranet-tmpl/prog/js/vue/components/Vendors/VendorFormAdd.vue b/koha-tmpl/intranet-tmpl/prog/js/vue/components/Vendors/VendorFormAdd.vue
index 6ea4c6c007..d0fe88f87f 100644
--- a/koha-tmpl/intranet-tmpl/prog/js/vue/components/Vendors/VendorFormAdd.vue
+++ b/koha-tmpl/intranet-tmpl/prog/js/vue/components/Vendors/VendorFormAdd.vue
@@ -127,6 +127,9 @@ export default {
             }
             delete vendor.physical;
             delete vendor.subscriptions_count;
+            delete vendor.baskets;
+            delete vendor.subscriptions;
+            delete vendor.contracts;
 
             if (!this.discountValid)
                 errors.push(this.$__("Invalid discount value"));