diff --git a/gui/formproduct.cpp b/gui/formproduct.cpp
index 2481883..1e9dd9a 100644
--- a/gui/formproduct.cpp
+++ b/gui/formproduct.cpp
@@ -308,11 +308,22 @@ void formProduct::save()
 
             if(!qry.exec())
             {
-                // todo: barrar lo creado
+                // barrar lo creado: eliminar las composiciones ya insertadas para este producto
+                if (!insertedElementCodes.isEmpty())
+                {
+                    QSqlQuery qryDel = QSqlQuery(dApp->Enterprise());
+                    qryDel.prepare(QString("DELETE FROM ELEMENTCOMPOSITION WHERE CODE = :CODE AND ELEMENT_CODE IN (%1)").arg(QString(insertedElementCodes.size(), '?').replace('?', ":ELEMENT_CODE")));
+                    qryDel.bindValue(":CODE", ui->editCode->text());
+                    for (int j = 0; j < insertedElementCodes.size(); ++j)
+                    {
+                        qryDel.bindValue(QString(":ELEMENT_CODE%1").arg(j), insertedElementCodes.at(j));
+                    }
+                    qryDel.exec();
+                }
                 qDebug() << "Error ejecutando el query: " << qry.lastError().text() << "\n";
                 dApp->Enterprise().close();
                 return;
-            }
+            }}
         }
     }
 
diff --git a/itemnumberdelegate.cpp b/itemnumberdelegate.cpp
index fd2c91e..11a7431 100644
--- a/itemnumberdelegate.cpp
+++ b/itemnumberdelegate.cpp
@@ -28,9 +28,7 @@ QWidget *ItemNumberDelegate::createEditor(QWidget *parent, const QStyleOptionVie
 
 void ItemNumberDelegate::setEditorData(QWidget *editor, const QModelIndex &index) const
 {
-    QString val = index.model()->data(index, Qt::EditRole).toString();
-    val.replace(QString(","), QString("."));
-    double value = val.toDouble(); //index.model()->data(index, Qt::EditRole).toDouble();
+    double value = index.model()->data(index, Qt::EditRole).toDouble();
     static_cast<QDoubleSpinBox*>(editor)->setValue(value);
 }