diff --git a/src/app/dialogs/tools/dialogarc.cpp b/src/app/dialogs/tools/dialogarc.cpp
index 92a78cf4d..726a05d27 100644
--- a/src/app/dialogs/tools/dialogarc.cpp
+++ b/src/app/dialogs/tools/dialogarc.cpp
@@ -263,28 +263,6 @@ void DialogArc::closeEvent(QCloseEvent *event)
     DialogTool::closeEvent(event);
 }
 
-//---------------------------------------------------------------------------------------------------------------------
-/**
- * @brief ValChenged show description angles of lines
- * @param row number of row
- */
-void DialogArc::ValChenged(int row)
-{
-    if (ui->listWidget->count() == 0)
-    {
-        return;
-    }
-    QListWidgetItem *item = ui->listWidget->item( row );
-    if (ui->radioButtonAngleLine->isChecked())
-    {
-        qreal angle = *data->GetVariable<VLineAngle>(item->text())->GetValue();
-        QString desc = QString("%1(%2) - %3").arg(item->text()).arg(angle).arg(tr("Value of angle of line."));
-        ui->labelDescription->setText(desc);
-        return;
-    }
-    DialogTool::ValChenged(row);
-}
-
 //---------------------------------------------------------------------------------------------------------------------
 /**
  * @brief PutRadius put variable into formula of radius
diff --git a/src/app/dialogs/tools/dialogarc.h b/src/app/dialogs/tools/dialogarc.h
index 40de32e27..35c5e46db 100644
--- a/src/app/dialogs/tools/dialogarc.h
+++ b/src/app/dialogs/tools/dialogarc.h
@@ -70,7 +70,6 @@ public slots:
     void DeployFormulaTextEdit();
     void DeployF1TextEdit();
     void DeployF2TextEdit();
-    virtual void  ValChenged(int row);
     void          PutRadius();
     void          PutF1();
     void          PutF2();
diff --git a/src/app/dialogs/tools/dialogpointofcontact.cpp b/src/app/dialogs/tools/dialogpointofcontact.cpp
index d01773ffb..94046df76 100644
--- a/src/app/dialogs/tools/dialogpointofcontact.cpp
+++ b/src/app/dialogs/tools/dialogpointofcontact.cpp
@@ -62,7 +62,6 @@ DialogPointOfContact::DialogPointOfContact(const VContainer *data, const quint32
 
     connect(ui->toolButtonPutHere, &QPushButton::clicked, this, &DialogPointOfContact::PutHere);
     connect(ui->listWidget, &QListWidget::itemDoubleClicked, this, &DialogPointOfContact::PutVal);
-    connect(ui->listWidget, &QListWidget::currentRowChanged, this, &DialogPointOfContact::ValChenged);
 
     if (qApp->patternType() == MeasurementsType::Standard)
     {
diff --git a/src/app/dialogs/tools/dialogtool.cpp b/src/app/dialogs/tools/dialogtool.cpp
index 0f433af34..4605dff65 100644
--- a/src/app/dialogs/tools/dialogtool.cpp
+++ b/src/app/dialogs/tools/dialogtool.cpp
@@ -1020,6 +1020,7 @@ void DialogTool::ValChenged(int row)
     SCASSERT(radioButtonLengthCurve != nullptr);
     if (listWidget->count() == 0)
     {
+        labelDescription->setText("");
         return;
     }
     QListWidgetItem *item = listWidget->item( row );
@@ -1078,7 +1079,6 @@ void DialogTool::ValChenged(int row)
         labelDescription->setText(desc);
         return;
     }
-
     if (radioButtonAngleLine->isChecked())
     {
         QString desc = QString("%1(%2) - %3").arg(item->text())
@@ -1158,6 +1158,7 @@ void DialogTool::ShowVariable(const QMap<key, val> var)
     SCASSERT(checkBoxHideEmpty != nullptr);
     listWidget->blockSignals(true);
     listWidget->clear();
+    labelDescription->setText("");
 
     QMapIterator<key, val> iMap(var);
     while (iMap.hasNext())