diff --git a/src/revpicommander/revpiprogram.py b/src/revpicommander/revpiprogram.py
index 3fcca6c..13b2089 100644
--- a/src/revpicommander/revpiprogram.py
+++ b/src/revpicommander/revpiprogram.py
@@ -41,8 +41,6 @@ class RevPiProgram(QtWidgets.QDialog, Ui_diag_program):
         # Setting properties require level 4
         self.cbb_plcprogram.setEnabled(helper.cm.xml_mode >= 4)
         self.txt_plcarguments.setEnabled(helper.cm.xml_mode >= 4)
-        self.rbn_pythonversion_2.setEnabled(helper.cm.xml_mode >= 4)
-        self.rbn_pythonversion_3.setEnabled(helper.cm.xml_mode >= 4)
         self.cbx_plcworkdir_set_uid.setEnabled(helper.cm.xml_mode >= 4)
 
         # Downloads require level 2
@@ -62,8 +60,6 @@ class RevPiProgram(QtWidgets.QDialog, Ui_diag_program):
         """
         return self.cbb_plcprogram.currentText() != self.dc.get("plcprogram", "") or \
             self.txt_plcarguments.text() != self.dc.get("plcarguments", "") or \
-            self.rbn_pythonversion_2.isChecked() != (self.dc.get("pythonversion", 3) == 2) or \
-            self.rbn_pythonversion_3.isChecked() != (self.dc.get("pythonversion", 3) == 3) or \
             int(self.cbx_plcworkdir_set_uid.isChecked()) != self.dc.get("plcworkdir_set_uid", 0) or \
             self.sbx_plcprogram_watchdog.value() != self.dc.get("plcprogram_watchdog", 0)
 
@@ -97,8 +93,6 @@ class RevPiProgram(QtWidgets.QDialog, Ui_diag_program):
         else:
             self.cbb_plcprogram.setCurrentText(self.dc.get("plcprogram", ""))
             self.txt_plcarguments.setText(self.dc.get("plcarguments", ""))
-            self.rbn_pythonversion_2.setChecked(self.dc.get("pythonversion", 3) == 2)
-            self.rbn_pythonversion_3.setChecked(self.dc.get("pythonversion", 3) == 3)
             self.cbx_plcworkdir_set_uid.setChecked(bool(self.dc.get("plcworkdir_set_uid", 0)))
             self.sbx_plcprogram_watchdog.setValue(self.dc.get("plcprogram_watchdog", 0))
 
@@ -130,7 +124,6 @@ class RevPiProgram(QtWidgets.QDialog, Ui_diag_program):
 
         self.dc["plcprogram"] = self.cbb_plcprogram.currentText()
         self.dc["plcarguments"] = self.txt_plcarguments.text()
-        self.dc["pythonversion"] = 2 if self.rbn_pythonversion_2.isChecked() else 3
         self.dc["plcworkdir_set_uid"] = int(self.cbx_plcworkdir_set_uid.isChecked())
         self.dc["plcprogram_watchdog"] = self.sbx_plcprogram_watchdog.value()
 
diff --git a/src/revpicommander/ui/revpiprogram_ui.py b/src/revpicommander/ui/revpiprogram_ui.py
index 56d25cd..4b57bf6 100644
--- a/src/revpicommander/ui/revpiprogram_ui.py
+++ b/src/revpicommander/ui/revpiprogram_ui.py
@@ -2,7 +2,7 @@
 
 # Form implementation generated from reading ui file 'revpiprogram.ui'
 #
-# Created by: PyQt5 UI code generator 5.15.7
+# Created by: PyQt5 UI code generator 5.15.9
 #
 # WARNING: Any manual changes made to this file will be lost when pyuic5 is
 # run again.  Do not edit this file unless you know what you are doing.
@@ -14,44 +14,35 @@ from PyQt5 import QtCore, QtGui, QtWidgets
 class Ui_diag_program(object):
     def setupUi(self, diag_program):
         diag_program.setObjectName("diag_program")
-        diag_program.resize(400, 501)
+        diag_program.resize(434, 509)
         self.verticalLayout = QtWidgets.QVBoxLayout(diag_program)
         self.verticalLayout.setObjectName("verticalLayout")
         self.gb_plc = QtWidgets.QGroupBox(diag_program)
         self.gb_plc.setObjectName("gb_plc")
         self.gridLayout = QtWidgets.QGridLayout(self.gb_plc)
         self.gridLayout.setObjectName("gridLayout")
-        self.cbb_plcprogram = QtWidgets.QComboBox(self.gb_plc)
-        self.cbb_plcprogram.setObjectName("cbb_plcprogram")
-        self.gridLayout.addWidget(self.cbb_plcprogram, 1, 0, 1, 3)
-        self.rbn_pythonversion_3 = QtWidgets.QRadioButton(self.gb_plc)
-        self.rbn_pythonversion_3.setObjectName("rbn_pythonversion_3")
-        self.gridLayout.addWidget(self.rbn_pythonversion_3, 3, 2, 1, 1)
-        self.cbx_plcworkdir_set_uid = QtWidgets.QCheckBox(self.gb_plc)
-        self.cbx_plcworkdir_set_uid.setObjectName("cbx_plcworkdir_set_uid")
-        self.gridLayout.addWidget(self.cbx_plcworkdir_set_uid, 4, 0, 1, 3)
-        self.lbl_plcprogram = QtWidgets.QLabel(self.gb_plc)
-        self.lbl_plcprogram.setObjectName("lbl_plcprogram")
-        self.gridLayout.addWidget(self.lbl_plcprogram, 0, 0, 1, 3)
-        self.lbl_pythonversion = QtWidgets.QLabel(self.gb_plc)
-        self.lbl_pythonversion.setObjectName("lbl_pythonversion")
-        self.gridLayout.addWidget(self.lbl_pythonversion, 3, 0, 1, 1)
-        self.rbn_pythonversion_2 = QtWidgets.QRadioButton(self.gb_plc)
-        self.rbn_pythonversion_2.setObjectName("rbn_pythonversion_2")
-        self.gridLayout.addWidget(self.rbn_pythonversion_2, 3, 1, 1, 1)
         self.lbl_plcarguments = QtWidgets.QLabel(self.gb_plc)
         self.lbl_plcarguments.setObjectName("lbl_plcarguments")
         self.gridLayout.addWidget(self.lbl_plcarguments, 2, 0, 1, 1)
+        self.lbl_plcprogram_watchdog = QtWidgets.QLabel(self.gb_plc)
+        self.lbl_plcprogram_watchdog.setObjectName("lbl_plcprogram_watchdog")
+        self.gridLayout.addWidget(self.lbl_plcprogram_watchdog, 4, 0, 1, 2)
+        self.cbx_plcworkdir_set_uid = QtWidgets.QCheckBox(self.gb_plc)
+        self.cbx_plcworkdir_set_uid.setObjectName("cbx_plcworkdir_set_uid")
+        self.gridLayout.addWidget(self.cbx_plcworkdir_set_uid, 3, 0, 1, 3)
+        self.lbl_plcprogram = QtWidgets.QLabel(self.gb_plc)
+        self.lbl_plcprogram.setObjectName("lbl_plcprogram")
+        self.gridLayout.addWidget(self.lbl_plcprogram, 0, 0, 1, 3)
         self.txt_plcarguments = QtWidgets.QLineEdit(self.gb_plc)
         self.txt_plcarguments.setObjectName("txt_plcarguments")
         self.gridLayout.addWidget(self.txt_plcarguments, 2, 1, 1, 2)
+        self.cbb_plcprogram = QtWidgets.QComboBox(self.gb_plc)
+        self.cbb_plcprogram.setObjectName("cbb_plcprogram")
+        self.gridLayout.addWidget(self.cbb_plcprogram, 1, 0, 1, 3)
         self.sbx_plcprogram_watchdog = QtWidgets.QSpinBox(self.gb_plc)
         self.sbx_plcprogram_watchdog.setMaximum(600)
         self.sbx_plcprogram_watchdog.setObjectName("sbx_plcprogram_watchdog")
-        self.gridLayout.addWidget(self.sbx_plcprogram_watchdog, 5, 2, 1, 1)
-        self.lbl_plcprogram_watchdog = QtWidgets.QLabel(self.gb_plc)
-        self.lbl_plcprogram_watchdog.setObjectName("lbl_plcprogram_watchdog")
-        self.gridLayout.addWidget(self.lbl_plcprogram_watchdog, 5, 0, 1, 2)
+        self.gridLayout.addWidget(self.sbx_plcprogram_watchdog, 4, 2, 1, 1)
         self.verticalLayout.addWidget(self.gb_plc)
         self.cb_transfair = QtWidgets.QGroupBox(diag_program)
         self.cb_transfair.setObjectName("cb_transfair")
@@ -109,9 +100,7 @@ class Ui_diag_program(object):
         self.btn_box.rejected.connect(diag_program.reject) # type: ignore
         QtCore.QMetaObject.connectSlotsByName(diag_program)
         diag_program.setTabOrder(self.cbb_plcprogram, self.txt_plcarguments)
-        diag_program.setTabOrder(self.txt_plcarguments, self.rbn_pythonversion_2)
-        diag_program.setTabOrder(self.rbn_pythonversion_2, self.rbn_pythonversion_3)
-        diag_program.setTabOrder(self.rbn_pythonversion_3, self.cbx_plcworkdir_set_uid)
+        diag_program.setTabOrder(self.txt_plcarguments, self.cbx_plcworkdir_set_uid)
         diag_program.setTabOrder(self.cbx_plcworkdir_set_uid, self.cbb_format)
         diag_program.setTabOrder(self.cbb_format, self.cbx_pictory)
         diag_program.setTabOrder(self.cbx_pictory, self.cbx_clear)
@@ -125,14 +114,11 @@ class Ui_diag_program(object):
         _translate = QtCore.QCoreApplication.translate
         diag_program.setWindowTitle(_translate("diag_program", "PLC program"))
         self.gb_plc.setTitle(_translate("diag_program", "PLC program"))
-        self.rbn_pythonversion_3.setText(_translate("diag_program", "Python 3"))
+        self.lbl_plcarguments.setText(_translate("diag_program", "Program arguments:"))
+        self.lbl_plcprogram_watchdog.setText(_translate("diag_program", "Software watchdog (0=disabled):"))
         self.cbx_plcworkdir_set_uid.setText(_translate("diag_program", "Set write permissions for plc program to workdirectory"))
         self.lbl_plcprogram.setText(_translate("diag_program", "Python PLC start program:"))
-        self.lbl_pythonversion.setText(_translate("diag_program", "Python version:"))
-        self.rbn_pythonversion_2.setText(_translate("diag_program", "Python 2"))
-        self.lbl_plcarguments.setText(_translate("diag_program", "Program arguments:"))
         self.sbx_plcprogram_watchdog.setSuffix(_translate("diag_program", " sec."))
-        self.lbl_plcprogram_watchdog.setText(_translate("diag_program", "Software watchdog (0=disabled):"))
         self.cb_transfair.setTitle(_translate("diag_program", "Transfair PLC program"))
         self.cbb_format.setItemText(0, _translate("diag_program", "ZIP archive"))
         self.cbb_format.setItemText(1, _translate("diag_program", "TGZ archive"))
diff --git a/ui_dev/revpiprogram.ui b/ui_dev/revpiprogram.ui
index f6dccb1..1d67d19 100644
--- a/ui_dev/revpiprogram.ui
+++ b/ui_dev/revpiprogram.ui
@@ -6,8 +6,8 @@
    <rect>
     <x>0</x>
     <y>0</y>
-    <width>400</width>
-    <height>501</height>
+    <width>434</width>
+    <height>509</height>
    </rect>
   </property>
   <property name="windowTitle">
@@ -20,17 +20,21 @@
       <string>PLC program</string>
      </property>
      <layout class="QGridLayout" name="gridLayout">
-      <item row="1" column="0" colspan="3">
-       <widget class="QComboBox" name="cbb_plcprogram"/>
-      </item>
-      <item row="3" column="2">
-       <widget class="QRadioButton" name="rbn_pythonversion_3">
+      <item row="2" column="0">
+       <widget class="QLabel" name="lbl_plcarguments">
         <property name="text">
-         <string>Python 3</string>
+         <string>Program arguments:</string>
         </property>
        </widget>
       </item>
-      <item row="4" column="0" colspan="3">
+      <item row="4" column="0" colspan="2">
+       <widget class="QLabel" name="lbl_plcprogram_watchdog">
+        <property name="text">
+         <string>Software watchdog (0=disabled):</string>
+        </property>
+       </widget>
+      </item>
+      <item row="3" column="0" colspan="3">
        <widget class="QCheckBox" name="cbx_plcworkdir_set_uid">
         <property name="text">
          <string>Set write permissions for plc program to workdirectory</string>
@@ -44,31 +48,13 @@
         </property>
        </widget>
       </item>
-      <item row="3" column="0">
-       <widget class="QLabel" name="lbl_pythonversion">
-        <property name="text">
-         <string>Python version:</string>
-        </property>
-       </widget>
-      </item>
-      <item row="3" column="1">
-       <widget class="QRadioButton" name="rbn_pythonversion_2">
-        <property name="text">
-         <string>Python 2</string>
-        </property>
-       </widget>
-      </item>
-      <item row="2" column="0">
-       <widget class="QLabel" name="lbl_plcarguments">
-        <property name="text">
-         <string>Program arguments:</string>
-        </property>
-       </widget>
-      </item>
       <item row="2" column="1" colspan="2">
        <widget class="QLineEdit" name="txt_plcarguments"/>
       </item>
-      <item row="5" column="2">
+      <item row="1" column="0" colspan="3">
+       <widget class="QComboBox" name="cbb_plcprogram"/>
+      </item>
+      <item row="4" column="2">
        <widget class="QSpinBox" name="sbx_plcprogram_watchdog">
         <property name="suffix">
          <string> sec.</string>
@@ -78,13 +64,6 @@
         </property>
        </widget>
       </item>
-      <item row="5" column="0" colspan="2">
-       <widget class="QLabel" name="lbl_plcprogram_watchdog">
-        <property name="text">
-         <string>Software watchdog (0=disabled):</string>
-        </property>
-       </widget>
-      </item>
      </layout>
     </widget>
    </item>
@@ -205,8 +184,6 @@
  <tabstops>
   <tabstop>cbb_plcprogram</tabstop>
   <tabstop>txt_plcarguments</tabstop>
-  <tabstop>rbn_pythonversion_2</tabstop>
-  <tabstop>rbn_pythonversion_3</tabstop>
   <tabstop>cbx_plcworkdir_set_uid</tabstop>
   <tabstop>cbb_format</tabstop>
   <tabstop>cbx_pictory</tabstop>