1 files changed, 3 insertions, 0 deletions
diff --git a/addons/web/static/src/js/views/basic/basic_model.js b/addons/web/static/src/js/views/basic/basic_model.js
index 3591ac3cf94..b4a0b999453 100644
--- a/addons/web/static/src/js/views/basic/basic_model.js
+++ b/addons/web/static/src/js/views/basic/basic_model.js
@@ -1541,6 +1541,9 @@ var BasicModel = AbstractModel.extend({
                     removedDef = this._applyX2ManyChange(record, fieldName, {
                         operation: 'DELETE',
                         ids: _.map(removedIds, function (resID) {
+                            if (resID in list._cache) {
+                                return list._cache[resID];
+                            }
                             return _.findWhere(listData, {res_id: resID}).id;
                         }),
                     });