diff --git a/src/behavior.ts b/src/behavior.ts
index 809c95d..cf1264b 100644
--- a/src/behavior.ts
+++ b/src/behavior.ts
@@ -23,13 +23,13 @@ export interface BehaviorOptions {
 }
 
 export class Behavior {
-    public bindEvents(options: BehaviorOptions) {
-        this.handleCellsClick(options);
-        this.handleCursorsDrag(options);
-        this.clearCatcher(options);
+    public static bindEvents(options: BehaviorOptions) {
+        Behavior.handleCellsClick(options);
+        Behavior.handleCursorsDrag(options);
+        Behavior.clearCatcher(options);
     }
 
-    private handleCursorsDrag(options: BehaviorOptions) {
+    private static handleCursorsDrag(options: BehaviorOptions) {
         const dragBehavior = d3Drag<any, ICursorDataPoint>()
             .subject((_: D3DragEvent<any, ICursorDataPoint, ICursorDataPoint>, cursorDataPoint: ICursorDataPoint) => {
                 cursorDataPoint.x = cursorDataPoint.selectionIndex * options.cells.cellWidth;
@@ -44,7 +44,7 @@ export class Behavior {
         options.cursors.selection.call(dragBehavior);
     }
 
-    private handleCellsClick(options: BehaviorOptions) {
+    private static handleCellsClick(options: BehaviorOptions) {
         const clickHandler = (event: MouseEvent, dataPoint: ITimelineDataPoint) => {
             event.stopPropagation();
             options.cells.callback(dataPoint, dataPoint.index, event.ctrlKey || event.metaKey || event.altKey || event.shiftKey);
@@ -57,7 +57,7 @@ export class Behavior {
             .on("touchstart", clickHandler);
     }
 
-    private clearCatcher(options: BehaviorOptions) {
+    private static clearCatcher(options: BehaviorOptions) {
         options.clearCatcher
             .on("click", null)
             .on("click", options.clearSelectionHandler);
diff --git a/src/timeLine.ts b/src/timeLine.ts
index b67e389..9ab0ee0 100644
--- a/src/timeLine.ts
+++ b/src/timeLine.ts
@@ -534,7 +534,6 @@ export class Timeline implements powerbiVisualsApi.extensibility.visual.IVisual
 
     private visualSettings: TimeLineSettingsModel;
     private formattingSettingsService: FormattingSettingsService;
-    private behavior: Behavior;
 
     private timelineProperties: ITimelineProperties;
 
@@ -596,7 +595,6 @@ export class Timeline implements powerbiVisualsApi.extensibility.visual.IVisual
 
         this.localizationManager = this.host.createLocalizationManager();
         this.formattingSettingsService = new FormattingSettingsService(this.localizationManager);
-        this.behavior = new Behavior();
 
         this.timelineProperties = {
             bottomMargin: Timeline.TimelineMargins.BottomMargin,
@@ -761,7 +759,7 @@ export class Timeline implements powerbiVisualsApi.extensibility.visual.IVisual
                 options,
             );
 
-            this.behavior.bindEvents({
+            Behavior.bindEvents({
                 selectionManager: this.selectionManager,
                 cells: {
                     selection: this.mainGroupSelection.selectAll(Timeline.TimelineSelectors.CellRect.selectorName),
@@ -774,6 +772,7 @@ export class Timeline implements powerbiVisualsApi.extensibility.visual.IVisual
                     onEnd: this.onCursorDragEnd.bind(this),
                 },
                 clearCatcher: this.rootSelection,
+                // spyOn changes clearUserSelection, anonymous function is used to have link to spied function
                 clearSelectionHandler: () => { this.clearUserSelection() },
             });