diff --git a/src/widget/widgets/plot-table.js b/src/widget/widgets/plot-table.js
index b4b6f83..b776e4b 100644
--- a/src/widget/widgets/plot-table.js
+++ b/src/widget/widgets/plot-table.js
@@ -62,7 +62,6 @@ class WidgetPlotTable extends Component {
 
     let checkBoxes = [];
     let icData = [];
-    let legendSignals = [];
     let showLegend = false;
 
     if (this.state.signals.length > 0) {