diff --git a/core.go b/core.go
index 4eebdc3..1cd0b0d 100644
--- a/core.go
+++ b/core.go
@@ -117,32 +117,16 @@ func isInDayOfMonth(t time.Time, ta TimeArrow) bool {
 	return false
 }
 
-// var isInTimeOfDayCacheBool sync.Map
-
 func isInTimeOfDay(t time.Time, ta TimeArrow) bool {
 
 	if len(ta.TimesOnDay) == 0 {
 		return true
 	}
 
-	tfdate := t.Format("2006-01-02 15:04:05")
-
-	var err error
-	// tmp, err := json.Marshal(ta.TimesOnDay)
-	// mainKey := fmt.Sprintf("[%s][%s]", tfdate, string(tmp))
-
-	// value, ok := isInTimeOfDayCacheBool.Load(mainKey)
-	// if ok && err == nil {
-	// 	ret := value.(int)
-	// 	if ret == 3 {
-	// 		// return true
-	// 	}
-	// 	if ret == 4 {
-	// 		return false
-	// 	}
-	// }
+	tfdate := t.Format("2006-01-02")
 
 	parseInLocationCache := map[string]time.Time{}
+	var err error
 	for k := range ta.TimesOnDay {
 		tsp := strings.Split(ta.TimesOnDay[k], "-")
 		if len(tsp) < 2 {
@@ -197,11 +181,9 @@ func isInTimeOfDay(t time.Time, ta TimeArrow) bool {
 		}
 
 		if (t.After(startTime) || t.Equal(startTime)) && t.Before(endTime) {
-			// isInTimeOfDayCacheBool.Store(mainKey, 3)
 			return true
 		}
 	}
-	// isInTimeOfDayCacheBool.Store(mainKey, 4)
 	return false
 }