diff --git a/superset-frontend/temporary_superset_ui/superset-ui/plugins/plugin-chart-echarts/src/MixedTimeseries/EchartsMixedTimeseries.tsx b/superset-frontend/temporary_superset_ui/superset-ui/plugins/plugin-chart-echarts/src/MixedTimeseries/EchartsMixedTimeseries.tsx
index 72cc64181..f319fb97a 100644
--- a/superset-frontend/temporary_superset_ui/superset-ui/plugins/plugin-chart-echarts/src/MixedTimeseries/EchartsMixedTimeseries.tsx
+++ b/superset-frontend/temporary_superset_ui/superset-ui/plugins/plugin-chart-echarts/src/MixedTimeseries/EchartsMixedTimeseries.tsx
@@ -95,12 +95,12 @@ export default function EchartsMixedTimeseries({
         handleChange([seriesName], seriesIndex);
       }
     },
-    mousemove: params => {
-      currentSeries.name = params.seriesName;
-    },
     mouseout: () => {
       currentSeries.name = '';
     },
+    mouseover: params => {
+      currentSeries.name = params.seriesName;
+    },
   };
 
   return (
diff --git a/superset-frontend/temporary_superset_ui/superset-ui/plugins/plugin-chart-echarts/src/MixedTimeseries/controlPanel.tsx b/superset-frontend/temporary_superset_ui/superset-ui/plugins/plugin-chart-echarts/src/MixedTimeseries/controlPanel.tsx
index 0de436613..d30339185 100644
--- a/superset-frontend/temporary_superset_ui/superset-ui/plugins/plugin-chart-echarts/src/MixedTimeseries/controlPanel.tsx
+++ b/superset-frontend/temporary_superset_ui/superset-ui/plugins/plugin-chart-echarts/src/MixedTimeseries/controlPanel.tsx
@@ -283,30 +283,6 @@ const config: ControlPanelConfig = {
         ...legendSection,
         [<h1 className="section-header">{t('X Axis')}</h1>],
         ['x_axis_time_format'],
-        [
-          {
-            name: 'xAxisShowMinLabel',
-            config: {
-              type: 'CheckboxControl',
-              label: t('Show Min Label'),
-              default: true,
-              renderTrigger: true,
-              description: t('Show Min Label'),
-            },
-          },
-        ],
-        [
-          {
-            name: 'xAxisShowMaxLabel',
-            config: {
-              type: 'CheckboxControl',
-              label: t('Show Max Label'),
-              default: true,
-              renderTrigger: true,
-              description: t('Show Max Label'),
-            },
-          },
-        ],
         [
           {
             name: 'xAxisLabelRotation',
diff --git a/superset-frontend/temporary_superset_ui/superset-ui/plugins/plugin-chart-echarts/src/MixedTimeseries/transformProps.ts b/superset-frontend/temporary_superset_ui/superset-ui/plugins/plugin-chart-echarts/src/MixedTimeseries/transformProps.ts
index aecfd1f14..7c912e7fb 100644
--- a/superset-frontend/temporary_superset_ui/superset-ui/plugins/plugin-chart-echarts/src/MixedTimeseries/transformProps.ts
+++ b/superset-frontend/temporary_superset_ui/superset-ui/plugins/plugin-chart-echarts/src/MixedTimeseries/transformProps.ts
@@ -99,8 +99,6 @@ export default function transformProps(
     tooltipTimeFormat,
     yAxisFormat,
     yAxisFormatSecondary,
-    xAxisShowMinLabel,
-    xAxisShowMaxLabel,
     xAxisTimeFormat,
     yAxisBounds,
     yAxisIndex,
@@ -244,8 +242,6 @@ export default function transformProps(
       nameGap: xAxisTitleMargin,
       nameLocation: 'middle',
       axisLabel: {
-        showMinLabel: xAxisShowMinLabel,
-        showMaxLabel: xAxisShowMaxLabel,
         formatter: xAxisFormatter,
         rotate: xAxisLabelRotation,
       },
@@ -282,14 +278,14 @@ export default function transformProps(
       appendToBody: true,
       trigger: richTooltip ? 'axis' : 'item',
       formatter: (params: any) => {
-        const value: number = !richTooltip ? params.value : params[0].value[0];
-        const prophetValue: any[] = !richTooltip ? [params] : params;
+        const xValue: number = richTooltip ? params[0].value[0] : params.value[0];
+        const prophetValue: any[] = richTooltip ? params : [params];
 
         if (richTooltip && tooltipSortByMetric) {
           prophetValue.sort((a, b) => b.data[1] - a.data[1]);
         }
 
-        const rows: Array<string> = [`${tooltipTimeFormatter(value)}`];
+        const rows: Array<string> = [`${tooltipTimeFormatter(xValue)}`];
         const prophetValues = extractProphetValuesFromTooltipParams(prophetValue);
 
         Object.keys(prophetValues).forEach(key => {
diff --git a/superset-frontend/temporary_superset_ui/superset-ui/plugins/plugin-chart-echarts/src/MixedTimeseries/types.ts b/superset-frontend/temporary_superset_ui/superset-ui/plugins/plugin-chart-echarts/src/MixedTimeseries/types.ts
index e78c2c7f7..a16c596aa 100644
--- a/superset-frontend/temporary_superset_ui/superset-ui/plugins/plugin-chart-echarts/src/MixedTimeseries/types.ts
+++ b/superset-frontend/temporary_superset_ui/superset-ui/plugins/plugin-chart-echarts/src/MixedTimeseries/types.ts
@@ -57,8 +57,6 @@ export type EchartsMixedTimeseriesFormData = QueryFormData & {
   zoomable: boolean;
   richTooltip: boolean;
   xAxisLabelRotation: number;
-  xAxisShowMinLabel?: boolean;
-  xAxisShowMaxLabel?: boolean;
   colorScheme?: string;
   // types specific to Query A and Query B
   area: boolean;
@@ -127,8 +125,6 @@ export const DEFAULT_FORM_DATA: EchartsMixedTimeseriesFormData = {
   yAxisIndexB: 0,
   groupby: [],
   groupbyB: [],
-  xAxisShowMinLabel: TIMESERIES_DEFAULTS.xAxisShowMinLabel,
-  xAxisShowMaxLabel: TIMESERIES_DEFAULTS.xAxisShowMaxLabel,
   zoomable: TIMESERIES_DEFAULTS.zoomable,
   richTooltip: TIMESERIES_DEFAULTS.richTooltip,
   xAxisLabelRotation: TIMESERIES_DEFAULTS.xAxisLabelRotation,
diff --git a/superset-frontend/temporary_superset_ui/superset-ui/plugins/plugin-chart-echarts/src/Timeseries/transformProps.ts b/superset-frontend/temporary_superset_ui/superset-ui/plugins/plugin-chart-echarts/src/Timeseries/transformProps.ts
index 713a487b8..90639e65b 100644
--- a/superset-frontend/temporary_superset_ui/superset-ui/plugins/plugin-chart-echarts/src/Timeseries/transformProps.ts
+++ b/superset-frontend/temporary_superset_ui/superset-ui/plugins/plugin-chart-echarts/src/Timeseries/transformProps.ts
@@ -268,14 +268,14 @@ export default function transformProps(
       appendToBody: true,
       trigger: richTooltip ? 'axis' : 'item',
       formatter: (params: any) => {
-        const value: number = !richTooltip ? params.value : params[0].value[0];
-        const prophetValue: any[] = !richTooltip ? [params] : params;
+        const xValue: number = richTooltip ? params[0].value[0] : params.value[0];
+        const prophetValue: any[] = richTooltip ? params : [params];
 
         if (richTooltip && tooltipSortByMetric) {
           prophetValue.sort((a, b) => b.data[1] - a.data[1]);
         }
 
-        const rows: Array<string> = [`${tooltipFormatter(value)}`];
+        const rows: Array<string> = [`${tooltipFormatter(xValue)}`];
         const prophetValues: Record<string, ProphetValue> =
           extractProphetValuesFromTooltipParams(prophetValue);
 
diff --git a/superset-frontend/temporary_superset_ui/superset-ui/plugins/plugin-chart-echarts/src/Timeseries/transformers.ts b/superset-frontend/temporary_superset_ui/superset-ui/plugins/plugin-chart-echarts/src/Timeseries/transformers.ts
index f8bc52765..e411dad34 100644
--- a/superset-frontend/temporary_superset_ui/superset-ui/plugins/plugin-chart-echarts/src/Timeseries/transformers.ts
+++ b/superset-frontend/temporary_superset_ui/superset-ui/plugins/plugin-chart-echarts/src/Timeseries/transformers.ts
@@ -178,12 +178,12 @@ export function transformSeries(
     step: ['start', 'middle', 'end'].includes(seriesType as string) ? seriesType : undefined,
     stack: stackId,
     lineStyle,
-    areaStyle: {
-      opacity:
-        forecastSeries.type === ForecastSeriesEnum.ForecastUpper || area
-          ? opacity * areaOpacity
-          : 0,
-    },
+    areaStyle: area
+      ? {
+          opacity:
+            forecastSeries.type === ForecastSeriesEnum.ForecastUpper ? opacity * areaOpacity : 0,
+        }
+      : undefined,
     emphasis,
     showSymbol,
     symbolSize: markerSize,
diff --git a/superset-frontend/temporary_superset_ui/superset-ui/plugins/plugin-chart-echarts/src/Timeseries/types.ts b/superset-frontend/temporary_superset_ui/superset-ui/plugins/plugin-chart-echarts/src/Timeseries/types.ts
index d1d550ee7..060e43950 100644
--- a/superset-frontend/temporary_superset_ui/superset-ui/plugins/plugin-chart-echarts/src/Timeseries/types.ts
+++ b/superset-frontend/temporary_superset_ui/superset-ui/plugins/plugin-chart-echarts/src/Timeseries/types.ts
@@ -70,8 +70,6 @@ export type EchartsTimeseriesFormData = QueryFormData & {
   tooltipTimeFormat?: string;
   truncateYAxis: boolean;
   yAxisFormat?: string;
-  xAxisShowMinLabel?: boolean;
-  xAxisShowMaxLabel?: boolean;
   xAxisTimeFormat?: string;
   timeGrainSqla?: TimeGranularity;
   yAxisBounds: [number | undefined | null, number | undefined | null];