diff --git a/frontend/app/components/Dashboard/components/WidgetChart/WidgetChart.tsx b/frontend/app/components/Dashboard/components/WidgetChart/WidgetChart.tsx
index fddb6195e..23ac44583 100644
--- a/frontend/app/components/Dashboard/components/WidgetChart/WidgetChart.tsx
+++ b/frontend/app/components/Dashboard/components/WidgetChart/WidgetChart.tsx
@@ -168,11 +168,9 @@ function WidgetChart(props: Props) {
   const loadComparisonData = () => {
     if (!dashboardStore.comparisonPeriods[_metric.metricId]) return setCompData(null);
 
-    const timestamps = dashboardStore.comparisonPeriods[_metric.metricId].toTimestamps();
     // TODO: remove after backend adds support for more view types
     const payload = {
       ...params,
-      ...timestamps,
       ..._metric.toJson(),
       viewType: 'lineChart',
     };
diff --git a/frontend/app/components/Dashboard/components/WidgetDateRange/WidgetDateRange.tsx b/frontend/app/components/Dashboard/components/WidgetDateRange/WidgetDateRange.tsx
index 882983ae6..1ff285009 100644
--- a/frontend/app/components/Dashboard/components/WidgetDateRange/WidgetDateRange.tsx
+++ b/frontend/app/components/Dashboard/components/WidgetDateRange/WidgetDateRange.tsx
@@ -37,13 +37,6 @@ function WidgetDateRange({
 
   const onChangeComparison = (period: any) => {
     dashboardStore.setComparisonPeriod(period, metricStore.instance.metricId);
-    if (!period) return;
-    const periodTimestamps = period.toTimestamps();
-    const compFilter = dashboardStore.cloneCompFilter();
-    compFilter.merge({
-      startTimestamp: periodTimestamps.startTimestamp,
-      endTimestamp: periodTimestamps.endTimestamp,
-    });
   }
 
   React.useEffect(() => {
diff --git a/frontend/app/mstore/dashboardStore.ts b/frontend/app/mstore/dashboardStore.ts
index fab11f75d..64550e52c 100644
--- a/frontend/app/mstore/dashboardStore.ts
+++ b/frontend/app/mstore/dashboardStore.ts
@@ -419,11 +419,7 @@ export default class DashboardStore {
     if (!period) {
       return this.comparisonPeriods[metricId] = null
     }
-    this.comparisonPeriods[metricId] = Period({
-      start: period.start,
-      end: period.end,
-      rangeName: period.rangeName,
-    });
+    this.comparisonPeriods[metricId] = period;
   }
 
   cloneCompFilter() {