1 files changed, 4 insertions, 4 deletions
diff --git a/src/client/northstar/dash-fields/HistogramField.ts b/src/client/northstar/dash-fields/HistogramField.ts
index e6f32272e..f3365e73d 100644
--- a/src/client/northstar/dash-fields/HistogramField.ts
+++ b/src/client/northstar/dash-fields/HistogramField.ts
@@ -10,7 +10,7 @@ import { Deserializable } from "../../util/SerializationHelper";
 import { Copy, ToScriptString } from "../../../new_fields/FieldSymbols";
 
 function serialize(field: HistogramField) {
-    let obj = OmitKeys(field, ['Links', 'BrushLinks', 'Result', 'BrushColors', 'FilterModels', 'FilterOperand']).omit;
+    const obj = OmitKeys(field, ['Links', 'BrushLinks', 'Result', 'BrushColors', 'FilterModels', 'FilterOperand']).omit;
     return obj;
 }
 
@@ -19,7 +19,7 @@ function deserialize(jp: any) {
     let Y: AttributeTransformationModel | undefined;
     let V: AttributeTransformationModel | undefined;
 
-    let schema = CurrentUserUtils.GetNorthstarSchema(jp.SchemaName);
+    const schema = CurrentUserUtils.GetNorthstarSchema(jp.SchemaName);
     if (schema) {
         CurrentUserUtils.GetAllNorthstarColumnAttributes(schema).map(attr => {
             if (attr.displayName === jp.X.AttributeModel.Attribute.DisplayName) {
@@ -52,8 +52,8 @@ export class HistogramField extends ObjectField {
     }
 
     [Copy]() {
-        let y = this.HistoOp;
-        let z = this.HistoOp.Copy;
+        // const y = this.HistoOp;
+        // const z = this.HistoOp.Copy;
         return new HistogramField(HistogramOperation.Duplicate(this.HistoOp));
     }