diff --git a/assets/js/components/ChargingPlans/Preview.vue b/assets/js/components/ChargingPlans/Preview.vue
index 04a9f800b..e954211e5 100644
--- a/assets/js/components/ChargingPlans/Preview.vue
+++ b/assets/js/components/ChargingPlans/Preview.vue
@@ -111,7 +111,7 @@ export default defineComponent({
 				: this.fmtPricePerKWh(value, this.currency);
 		},
 		activeSlot(): Slot | null {
-			return this.activeIndex ? this.slots[this.activeIndex] : null;
+			return this.activeIndex !== null ? this.slots[this.activeIndex] : null;
 		},
 		activeSlotName(): string | null {
 			if (this.activeSlot) {
diff --git a/assets/js/components/Tariff/TariffChart.vue b/assets/js/components/Tariff/TariffChart.vue
index ffe735d62..f272be97f 100644
--- a/assets/js/components/Tariff/TariffChart.vue
+++ b/assets/js/components/Tariff/TariffChart.vue
@@ -116,9 +116,6 @@ export default {
 			});
 			return sum / count;
 		},
-		activeSlot() {
-			return this.activeIndex !== null ? this.slots[this.activeIndex] : null;
-		},
 	},
 	methods: {
 		hoverSlot(index: number | null) {