diff --git a/src/core/Cutter.cpp b/src/core/Cutter.cpp
index 439c4db3..454ca6b1 100644
--- a/src/core/Cutter.cpp
+++ b/src/core/Cutter.cpp
@@ -3571,23 +3571,6 @@ QList<TypeDescription> CutterCore::getAllTypedefs()
     return getBaseType(RZ_BASE_TYPE_KIND_TYPEDEF, "Typedef");
 }
 
-QString CutterCore::addTypes(const char *str)
-{
-    CORE_LOCK();
-    char *error_msg = nullptr;
-    int parsed = rz_type_parse_string(core->analysis->typedb, str, &error_msg);
-    QString error;
-
-    if (!parsed && error_msg) {
-        error = error_msg;
-        rz_mem_free(error_msg);
-    } else if (!parsed) {
-        error = QString("Failed to load new type %1").arg(str);
-    }
-
-    return error;
-}
-
 QString CutterCore::getTypeAsC(QString name)
 {
     CORE_LOCK();
@@ -3602,11 +3585,6 @@ QString CutterCore::getTypeAsC(QString name)
     return result;
 }
 
-bool CutterCore::deleteType(const char *typeName) {
-    CORE_LOCK();
-    return rz_type_db_del(core->analysis->typedb, typeName);
-}
-
 bool CutterCore::isAddressMapped(RVA addr)
 {
     // If value returned by "om. @ addr" is empty means that address is not mapped
diff --git a/src/core/Cutter.h b/src/core/Cutter.h
index 54a7bb55..687e71c3 100644
--- a/src/core/Cutter.h
+++ b/src/core/Cutter.h
@@ -594,25 +594,6 @@ public:
      */
     QString getTypeAsC(QString name);
 
-    /**
-     * @brief Adds new types
-     * It first uses the rz_parse_c_string() function from Rizin API to parse the
-     * supplied C file (in the form of a string). If there were errors, they are displayed.
-     * If there were no errors, it uses sdb_query_lines() function from Rizin API
-     * to save the parsed types returned by rz_parse_c_string()
-     * \param str Contains the definition of the data types
-     * \return returns an empty QString if there was no error, else returns the error
-     */
-    QString addTypes(const char *str);
-    QString addTypes(const QString &str) { return addTypes(str.toUtf8().constData()); }
-
-    /**
-     * @brief Remove a type
-     * @param typeName Name of the type to remove
-     */
-    bool deleteType(const char *typeName);
-    bool deleteType(QString typeName) { return deleteType(typeName.toUtf8().constData()); }
-
     /**
      * @brief Checks if the given address is mapped to a region
      * @param addr The address to be checked
diff --git a/src/dialogs/TypesInteractionDialog.cpp b/src/dialogs/TypesInteractionDialog.cpp
index 7f7b6a72..eb2c2284 100644
--- a/src/dialogs/TypesInteractionDialog.cpp
+++ b/src/dialogs/TypesInteractionDialog.cpp
@@ -22,10 +22,16 @@ TypesInteractionDialog::TypesInteractionDialog(QWidget *parent, bool readOnly)
     syntaxHighLighter = Config()->createSyntaxHighlighter(ui->plainTextEdit->document());
     ui->buttonBox->button(QDialogButtonBox::Ok)->setEnabled(false);
     ui->plainTextEdit->setReadOnly(readOnly);
+    this->typeName = "";
 }
 
 TypesInteractionDialog::~TypesInteractionDialog() {}
 
+void TypesInteractionDialog::setTypeName(QString name)
+{
+    this->typeName = name;
+}
+
 void TypesInteractionDialog::on_selectFileButton_clicked()
 {
     QString filename =
@@ -57,8 +63,11 @@ void TypesInteractionDialog::on_plainTextEdit_textChanged()
 void TypesInteractionDialog::done(int r)
 {
     if (r == QDialog::Accepted) {
-        QString error = Core()->addTypes(ui->plainTextEdit->toPlainText());
-        if (error.isEmpty()) {
+        RzCoreLocked core(Core());
+        bool edited = rz_type_db_edit_base_type(
+                core->analysis->typedb, this->typeName.toUtf8().constData(),
+                ui->plainTextEdit->toPlainText().toUtf8().constData());
+        if (edited) {
             emit newTypesLoaded();
             QDialog::done(r);
             return;
@@ -67,7 +76,6 @@ void TypesInteractionDialog::done(int r)
         QMessageBox popup(this);
         popup.setWindowTitle(tr("Error"));
         popup.setText(tr("There was some error while loading new types"));
-        popup.setDetailedText(error);
         popup.setStandardButtons(QMessageBox::Ok);
         popup.exec();
     } else {
diff --git a/src/dialogs/TypesInteractionDialog.h b/src/dialogs/TypesInteractionDialog.h
index d45640b3..2c33328e 100644
--- a/src/dialogs/TypesInteractionDialog.h
+++ b/src/dialogs/TypesInteractionDialog.h
@@ -27,6 +27,12 @@ public:
      */
     void fillTextArea(QString content);
 
+    /**
+     * @brief Set the name of the type that is going to be changed
+     * @param name - name of the type
+     */
+    void setTypeName(QString name);
+
 private slots:
     /**
      * @brief Executed when the user clicks the selectFileButton
@@ -50,6 +56,7 @@ private slots:
 private:
     std::unique_ptr<Ui::TypesInteractionDialog> ui;
     QSyntaxHighlighter *syntaxHighLighter;
+    QString typeName;
 
 signals:
     /**
diff --git a/src/widgets/TypesWidget.cpp b/src/widgets/TypesWidget.cpp
index e5c7a8ec..c2e069a6 100644
--- a/src/widgets/TypesWidget.cpp
+++ b/src/widgets/TypesWidget.cpp
@@ -76,7 +76,8 @@ QVariant TypesModel::headerData(int section, Qt::Orientation, int role) const
 
 bool TypesModel::removeRows(int row, int count, const QModelIndex &parent)
 {
-    Core()->deleteType(types->at(row).type);
+    RzCoreLocked core(Core());
+    rz_type_db_del(core->analysis->typedb, types->at(row).type.toUtf8().constData());
     beginRemoveRows(parent, row, row + count - 1);
     while (count--) {
         types->removeAt(row);
@@ -282,9 +283,17 @@ void TypesWidget::on_actionExport_Types_triggered()
 
 void TypesWidget::on_actionLoad_New_Types_triggered()
 {
+    QModelIndex index = ui->typesTreeView->currentIndex();
+    if (!index.isValid()) {
+        return;
+    }
+
+    TypeDescription t = index.data(TypesModel::TypeDescriptionRole).value<TypeDescription>();
+
     TypesInteractionDialog dialog(this);
     connect(&dialog, &TypesInteractionDialog::newTypesLoaded, this, &TypesWidget::refreshTypes);
     dialog.setWindowTitle(tr("Load New Types"));
+    dialog.setTypeName(t.type);
     dialog.exec();
 }
 
@@ -306,6 +315,7 @@ void TypesWidget::viewType(bool readOnly)
         dialog.setWindowTitle(tr("View Type: ") + t.type + tr(" (Read Only)"));
     }
     dialog.fillTextArea(Core()->getTypeAsC(t.type));
+    dialog.setTypeName(t.type);
     dialog.exec();
 }
 
@@ -354,5 +364,6 @@ void TypesWidget::typeItemDoubleClicked(const QModelIndex &index)
     }
     dialog.fillTextArea(Core()->getTypeAsC(t.type));
     dialog.setWindowTitle(tr("View Type: ") + t.type + tr(" (Read Only)"));
+    dialog.setTypeName(t.type);
     dialog.exec();
 }