diff --git a/sources/ui/masterpropertieswidget.cpp b/sources/ui/masterpropertieswidget.cpp
index 94d56e145..5d1d5a1ac 100644
--- a/sources/ui/masterpropertieswidget.cpp
+++ b/sources/ui/masterpropertieswidget.cpp
@@ -605,7 +605,6 @@ void MasterPropertiesWidget::updateUi()
 			// Type combo (read-only — type is defined in the editor)
 			auto *type_cb = new QComboBox(m_plc_table);
 			type_cb->setEnabled(false);
-			type_cb->setStyleSheet("QComboBox { background-color: #f0f0f0; }");
 			QStringList plc_types = ElementData::plcIOTypeList();
 			for (int t = 0; t < plc_types.size(); ++t) {
 				type_cb->addItem(plc_types.at(t), t);