diff --git a/src/views/Compare/Dashboard/Compare.vue b/src/views/Compare/Dashboard/Compare.vue
index 3376775..b8f766c 100644
--- a/src/views/Compare/Dashboard/Compare.vue
+++ b/src/views/Compare/Dashboard/Compare.vue
@@ -762,7 +762,6 @@ console.log("TODO:", datasetsPrimary, )
       let datasetsSecondary;
       let minX = chartData.x_axis.min;
       let maxX = chartData.x_axis.max;
-      let maxY = chartData.y_axis.max;
       let xLabelData;
       let labelPrimary = chartData.data[0].label;
       let labelSecondary = chartData.data[1].label;
diff --git a/src/views/Discover/Performance/index.vue b/src/views/Discover/Performance/index.vue
index c74c41f..e32ff96 100644
--- a/src/views/Discover/Performance/index.vue
+++ b/src/views/Discover/Performance/index.vue
@@ -154,7 +154,7 @@ import { simpleTimeLabel, followTimeLabel, getDateLabelByMinMaxDate,
   getYTicksByIndex,
  } from '@/module/timeLabel.js';
 import FreqChart from './FreqChart.vue';
-import { PRIME_VUE_TICKS_LIMIT, GRID_COLOR } from '../../../constants/constants.js';
+import { PRIME_VUE_TICKS_LIMIT } from '../../../constants/constants.js';
 
 const primeVueTicksLimit = PRIME_VUE_TICKS_LIMIT;
 const knownScaleLineChartOptions = {
@@ -649,16 +649,13 @@ export default {
      * @param { string } yUnit y 軸單位 'date'
      */
      getExplicitDeclaredLineChart(chartData, content, yUnit) {
-      const getMoment = (time)=> this.$moment(time).format('YYYY/M/D hh:mm:ss');
       let datasets;
       let minX = chartData.x_axis.min;
       let maxX = chartData.x_axis.max;
-      let maxY = chartData.y_axis.max;
       let xData;
       let primeVueSetData = {};
       let primeVueSetOption = {};
       const getSimpleTimeLabel = simpleTimeLabel;
-      const getFollowTimeLabel = followTimeLabel;
 
       datasets = setLineChartData(chartData.data, chartData.x_axis.max, chartData.x_axis.min, false, chartData.y_axis.max,
       chartData.y_axis.min);
@@ -788,13 +785,10 @@ export default {
       const getMoment = (time)=> this.$moment(time).format('YYYY/M/D hh:mm:ss');
       let datasets;
       let minX = chartData.x_axis.min;
-      let maxX = chartData.x_axis.max;
-      let maxY = chartData.y_axis.max;
       let xData;
       let primeVueSetData = {};
       let primeVueSetOption = {};
       const getSimpleTimeLabel = simpleTimeLabel;
-      const getFollowTimeLabel = followTimeLabel;
 
       datasets = setLineChartData(chartData.data, chartData.x_axis.max, chartData.x_axis.min, false, chartData.y_axis.max,
       chartData.y_axis.min);