diff --git a/assets/js/components/ChargingPlans/PlansSettings.vue b/assets/js/components/ChargingPlans/PlansSettings.vue
index 5b7964469..fc14630b0 100644
--- a/assets/js/components/ChargingPlans/PlansSettings.vue
+++ b/assets/js/components/ChargingPlans/PlansSettings.vue
@@ -79,7 +79,6 @@ import formatter from "@/mixins/formatter";
 import collector from "@/mixins/collector";
 import api from "@/api";
 import deepEqual from "@/utils/deepEqual";
-import convertRates from "@/utils/convertRates";
 import { debounceLeading } from "@/utils/debounceLeading";
 import { defineComponent, type PropType } from "vue";
 import type { Vehicle, CURRENCY, Forecast } from "@/types/evcc";
@@ -153,8 +152,11 @@ export default defineComponent({
 			return this.collectProps(Warnings);
 		},
 		chargingPlanPreviewProps(): any {
-			const forecastSlots = this.forecast?.planner || [];
-			const rates = convertRates(forecastSlots);
+			const rates = (this.forecast?.planner || []).map(({ start, end, value }) => ({
+				start: new Date(start),
+				end: new Date(end),
+				value,
+			}));
 			const { duration, plan, power, planTime } = this.plan;
 			const targetTime = planTime ? new Date(planTime) : null;
 			const { currency, smartCostType } = this;
diff --git a/assets/js/components/Forecast/ActiveSlot.vue b/assets/js/components/Forecast/ActiveSlot.vue
deleted file mode 100644
index efe5d96a2..000000000
--- a/assets/js/components/Forecast/ActiveSlot.vue
+++ /dev/null
@@ -1,47 +0,0 @@
-<template>
-	<div v-if="isSlot" class="text-end tabular">
-		<span class="text-nowrap">{{ day }} {{ start }}</span
-		>{{ " " }}<span class="text-nowrap">– {{ end }}</span>
-	</div>
-	<div v-if="isTimeseries" class="text-end tabular">
-		<span class="text-nowrap">{{ time }}</span>
-	</div>
-</template>
-
-<script lang="ts">
-import { defineComponent, type PropType } from "vue";
-import formatter from "@/mixins/formatter";
-import { isForecastSlot, type ForecastSlot, type TimeseriesEntry } from "./types";
-
-export default defineComponent({
-	name: "ForecastActiveSlot",
-	mixins: [formatter],
-	props: {
-		activeSlot: { type: Object as PropType<ForecastSlot | TimeseriesEntry | null> },
-	},
-	computed: {
-		isSlot() {
-			return this.activeSlot !== null && isForecastSlot(this.activeSlot);
-		},
-		isTimeseries() {
-			return this.activeSlot !== null && !isForecastSlot(this.activeSlot);
-		},
-		day() {
-			const startDate = new Date((this.activeSlot! as ForecastSlot).start);
-			return this.weekdayShort(startDate);
-		},
-		start() {
-			const startDate = new Date((this.activeSlot! as ForecastSlot).start);
-			return this.fmtHourMinute(startDate);
-		},
-		end() {
-			const endDate = new Date((this.activeSlot! as ForecastSlot).end);
-			return this.fmtHourMinute(endDate);
-		},
-		time() {
-			const time = new Date((this.activeSlot! as TimeseriesEntry).ts);
-			return `${this.weekdayShort(time)} ${this.fmtHourMinute(time)}`;
-		},
-	},
-});
-</script>
diff --git a/assets/js/components/Forecast/Details.vue b/assets/js/components/Forecast/Details.vue
deleted file mode 100644
index f0aadb229..000000000
--- a/assets/js/components/Forecast/Details.vue
+++ /dev/null
@@ -1,226 +0,0 @@
-<template>
-	<div v-if="isSolar && solar" class="row">
-		<div class="col-6 col-sm-4 mb-3 d-flex flex-column">
-			<div class="label">{{ label("today") }}</div>
-			<div class="value d-flex flex-column flex-lg-row gap-lg-2 align-items-lg-baseline">
-				<div class="text-primary text-nowrap">
-					<AnimatedNumber :to="solar.today?.energy" :format="fmtEnergy" />
-				</div>
-				<div class="extraValue text-nowrap">{{ label("remaining") }}</div>
-			</div>
-		</div>
-		<div class="col-6 col-sm-4 mb-3 d-flex flex-column align-items-end align-items-sm-center">
-			<div class="label">{{ label("tomorrow") }}</div>
-			<div
-				class="value d-flex flex-column flex-lg-row gap-lg-2 align-items-end align-items-sm-center align-items-lg-baseline"
-			>
-				<div class="text-primary text-nowrap">
-					<AnimatedNumber :to="solar.tomorrow?.energy" :format="fmtEnergy" />
-				</div>
-				<div v-if="!solar.tomorrow?.complete" class="extraValue text-nowrap">
-					{{ label("partly") }}
-				</div>
-			</div>
-		</div>
-		<div class="col-6 col-sm-4 mb-3 d-flex flex-column align-items-start align-items-sm-end">
-			<div class="label">{{ label("dayAfterTomorrow") }}</div>
-			<div
-				class="value d-flex flex-column flex-lg-row gap-lg-2 align-items-start align-items-sm-end align-items-lg-baseline"
-			>
-				<div class="text-primary text-nowrap">
-					<AnimatedNumber :to="solar.dayAfterTomorrow?.energy" :format="fmtEnergy" />
-				</div>
-				<div v-if="!solar.dayAfterTomorrow?.complete" class="extraValue text-nowrap">
-					{{ label("partly") }}
-				</div>
-			</div>
-		</div>
-	</div>
-	<div v-else-if="isConstantValue" class="row">
-		<div class="col-6 col-sm-4 mb-3 d-flex flex-column">
-			<div class="label">{{ label("constant") }}</div>
-			<div class="value text-price text-nowrap" :class="highlightColor">
-				{{ constantValue }}
-			</div>
-		</div>
-	</div>
-	<div v-else class="row">
-		<div class="col-12 col-sm-6 col-lg-4 mb-3 d-flex flex-column">
-			<div class="label">{{ label("range") }}</div>
-			<div class="value text-price text-nowrap" :class="highlightColor">
-				{{ priceRange }}
-			</div>
-		</div>
-		<div
-			class="col-12 col-sm-6 col-lg-4 mb-3 d-flex flex-column align-items-sm-end align-items-lg-center"
-		>
-			<div class="label">{{ label("average") }}</div>
-			<div class="value text-price text-nowrap" :class="highlightColor">
-				{{ averagePrice }}
-			</div>
-		</div>
-		<div
-			class="col-12 col-sm-6 col-lg-4 mb-3 d-flex flex-column align-items-sm-start align-items-lg-end"
-		>
-			<div class="label">{{ label("lowestHour") }}</div>
-			<div class="value text-price text-nowrap" :class="highlightColor">
-				{{ lowestPriceHour }}
-			</div>
-		</div>
-	</div>
-</template>
-
-<script lang="ts">
-import { defineComponent, type PropType } from "vue";
-import formatter, { POWER_UNIT } from "@/mixins/formatter";
-import minuteTicker from "@/mixins/minuteTicker";
-import AnimatedNumber from "../Helper/AnimatedNumber.vue";
-import type { CURRENCY } from "@/types/evcc";
-import { ForecastType, findLowestSumSlotIndex } from "@/utils/forecast";
-import type { ForecastSlot, SolarDetails } from "./types";
-const LOCALES_WITHOUT_DAY_AFTER_TOMORROW = ["en", "tr"];
-
-const FORECASTED_HOURS = 96;
-const SLOTS_PER_HOUR = 4;
-
-export interface Energy {
-	energy: string;
-	incomplete: boolean;
-}
-
-export interface EnergyByDay {
-	today: Energy;
-	tomorrow: Energy;
-	dayAfterTomorrow: Energy;
-}
-
-export default defineComponent({
-	name: "ForecastDetails",
-	components: {
-		AnimatedNumber,
-	},
-	mixins: [formatter, minuteTicker],
-	props: {
-		type: { type: String as () => ForecastType, required: true },
-		grid: { type: Array as PropType<ForecastSlot[]> },
-		co2: { type: Array as PropType<ForecastSlot[]> },
-		solar: { type: Object as PropType<SolarDetails> },
-		currency: { type: String as PropType<CURRENCY> },
-	},
-	data() {
-		return {
-			now: new Date(),
-		};
-	},
-	computed: {
-		isSolar() {
-			return this.type === ForecastType.Solar;
-		},
-		isPrice() {
-			return this.type === ForecastType.Price;
-		},
-		upcomingSlots(): ForecastSlot[] {
-			const now = this.now;
-			const slots = this.isPrice ? this.grid || [] : this.co2 || [];
-			return slots
-				.filter((slot) => new Date(slot.end) > now)
-				.slice(0, FORECASTED_HOURS * SLOTS_PER_HOUR);
-		},
-		isConstantValue(): boolean {
-			if (this.isSolar) return false;
-			const slots = this.upcomingSlots;
-			if (slots.length === 0) return false;
-
-			const firstValue = slots[0]?.value;
-			return slots.every((slot) => slot.value === firstValue);
-		},
-		constantValue(): string {
-			return this.fmtValue(this.upcomingSlots[0]!.value, true);
-		},
-		averagePrice() {
-			if (this.isSolar) return "";
-			const slots = this.upcomingSlots;
-			const price = slots.reduce((acc, slot) => acc + slot.value, 0) / slots.length;
-			return this.fmtValue(price, true);
-		},
-		priceRange() {
-			if (this.isSolar) return "";
-			const slots = this.upcomingSlots;
-			const min = Math.min(...slots.map((slot) => slot.value));
-			const max = Math.max(...slots.map((slot) => slot.value));
-			return `${this.fmtValue(min, false)} – ${this.fmtValue(max, true)}`;
-		},
-		lowestPriceHour() {
-			if (this.isSolar) return "";
-			const slots = this.upcomingSlots;
-			const index = findLowestSumSlotIndex(slots, SLOTS_PER_HOUR);
-			if (index === -1) return "";
-			const startSlot = slots[index];
-			const endSlot = slots[index + SLOTS_PER_HOUR - 1];
-			if (!startSlot || !endSlot) return "";
-			const start = new Date(startSlot.start);
-			const end = new Date(endSlot.end);
-
-			return `${this.weekdayShort(start)} ${this.fmtHourMinute(start)} – ${this.fmtHourMinute(end)}`;
-		},
-		highlightColor() {
-			switch (this.type) {
-				case ForecastType.Price:
-					return "text-price";
-				case ForecastType.Co2:
-					return "text-co2";
-				default:
-					return "";
-			}
-		},
-	},
-	watch: {
-		everyMinute(): void {
-			this.now = new Date();
-		},
-	},
-	mounted() {
-		this.now = new Date();
-	},
-	methods: {
-		label(key: string) {
-			// special case "day after tomorrow"
-			if (
-				key === "dayAfterTomorrow" &&
-				LOCALES_WITHOUT_DAY_AFTER_TOMORROW.includes(this.$i18n.locale)
-			) {
-				const date = new Date();
-				date.setDate(date.getDate() + 2);
-				return this.fmtDayMonth(date);
-			}
-
-			return this.$t(`forecast.${this.type}.${key}`);
-		},
-		fmtValue(value: number, withUnit = true) {
-			if (this.type === ForecastType.Price) {
-				return this.fmtPricePerKWh(value, this.currency, false, withUnit);
-			}
-			return withUnit ? this.fmtCo2Medium(value) : this.fmtNumber(value, 0);
-		},
-		fmtEnergy(energy: number | undefined) {
-			return !energy ? "-" : this.fmtWh(energy, POWER_UNIT.AUTO);
-		},
-	},
-});
-</script>
-
-<style scoped>
-.value {
-	font-size: 18px;
-	font-weight: bold;
-}
-.extraValue {
-	color: var(--evcc-gray);
-	font-size: 14px;
-	font-weight: normal;
-}
-.label {
-	color: var(--evcc-gray);
-	text-transform: uppercase;
-}
-</style>
diff --git a/assets/js/components/Forecast/TypeSelect.vue b/assets/js/components/Forecast/TypeSelect.vue
deleted file mode 100644
index 769134f1c..000000000
--- a/assets/js/components/Forecast/TypeSelect.vue
+++ /dev/null
@@ -1,57 +0,0 @@
-<template>
-	<IconSelectGroup>
-		<IconSelectItem
-			v-for="type in types"
-			:key="type"
-			:active="selectedType === type"
-			:label="$t(`forecast.type.${type}`)"
-			:disabled="!availableTypes[type]"
-			hideLabelOnMobile
-			@click="$emit('update:modelValue', type)"
-		>
-			<component :is="typeIcons[type]"></component>
-		</IconSelectItem>
-	</IconSelectGroup>
-</template>
-
-<script lang="ts">
-import "@h2d2/shopicons/es/regular/eco1";
-import "@h2d2/shopicons/es/regular/sun";
-import { defineComponent } from "vue";
-import IconSelectItem from "../Helper/IconSelectItem.vue";
-import IconSelectGroup from "../Helper/IconSelectGroup.vue";
-import DynamicPriceIcon from "../MaterialIcon/DynamicPrice.vue";
-import { ForecastType } from "@/utils/forecast";
-
-export default defineComponent({
-	name: "ForecastTypeSelect",
-	components: { IconSelectItem, IconSelectGroup },
-	props: {
-		modelValue: { type: String as () => ForecastType, required: true },
-		forecast: { type: Object, required: true },
-	},
-	emits: ["update:modelValue"],
-	computed: {
-		selectedType() {
-			return this.modelValue;
-		},
-		types() {
-			return Object.values(ForecastType);
-		},
-		availableTypes() {
-			return {
-				[ForecastType.Solar]: !!this.forecast["solar"],
-				[ForecastType.Price]: !!this.forecast["grid"],
-				[ForecastType.Co2]: !!this.forecast["co2"],
-			};
-		},
-		typeIcons() {
-			return {
-				[ForecastType.Solar]: "shopicon-regular-sun",
-				[ForecastType.Price]: DynamicPriceIcon,
-				[ForecastType.Co2]: "shopicon-regular-eco1",
-			};
-		},
-	},
-});
-</script>
diff --git a/assets/js/components/Optimize/CopyButton.vue b/assets/js/components/Optimize/CopyButton.vue
index 268183313..e1281fac7 100644
--- a/assets/js/components/Optimize/CopyButton.vue
+++ b/assets/js/components/Optimize/CopyButton.vue
@@ -12,6 +12,7 @@
 
 <script lang="ts">
 import { defineComponent } from "vue";
+import { copyWithFeedback } from "@/utils/clipboard";
 import "@h2d2/shopicons/es/regular/copy";
 import "@h2d2/shopicons/es/regular/checkmark";
 
@@ -52,54 +53,7 @@ export default defineComponent({
 	},
 	methods: {
 		handleCopy() {
-			// Modern browser API, requires secure context (localhost or https)
-			if (navigator.clipboard && window.isSecureContext) {
-				navigator.clipboard
-					.writeText(this.content)
-					.then(() => {
-						this.showCopiedFeedback();
-					})
-					.catch((err) => {
-						console.error("Failed to copy to clipboard:", err);
-						this.fallbackCopy();
-					});
-			} else {
-				// Fallback method for HTTP/non-secure contexts
-				this.fallbackCopy();
-			}
-		},
-		fallbackCopy() {
-			try {
-				// Create a temporary textarea element
-				const textarea = document.createElement("textarea");
-				textarea.value = this.content;
-				textarea.style.position = "fixed";
-				textarea.style.left = "-999999px";
-				textarea.style.top = "-999999px";
-				document.body.appendChild(textarea);
-
-				// Select and copy the text
-				textarea.focus();
-				textarea.select();
-				const successful = document.execCommand("copy");
-				document.body.removeChild(textarea);
-
-				if (successful) {
-					this.showCopiedFeedback();
-				} else {
-					alert("Copy failed. Please copy manually.");
-				}
-			} catch (err) {
-				console.error("Fallback copy failed:", err);
-				// Show user feedback that copy failed
-				alert("Copy failed. Please copy manually.");
-			}
-		},
-		showCopiedFeedback() {
-			this.copied = true;
-			setTimeout(() => {
-				this.copied = false;
-			}, 2000);
+			copyWithFeedback(this.content, (value) => (this.copied = value));
 		},
 	},
 });
diff --git a/assets/js/utils/clipboard.ts b/assets/js/utils/clipboard.ts
index e9ff7c987..5c836bf08 100644
--- a/assets/js/utils/clipboard.ts
+++ b/assets/js/utils/clipboard.ts
@@ -2,16 +2,36 @@ export function isClipboardSupported(): boolean {
   return !!(navigator.clipboard && window.isSecureContext);
 }
 
+// textarea/execCommand fallback for HTTP/non-secure contexts
+function fallbackCopy(text: string): boolean {
+  try {
+    const textarea = document.createElement("textarea");
+    textarea.value = text;
+    textarea.style.position = "fixed";
+    textarea.style.left = "-999999px";
+    textarea.style.top = "-999999px";
+    document.body.appendChild(textarea);
+    textarea.focus();
+    textarea.select();
+    const successful = document.execCommand("copy");
+    document.body.removeChild(textarea);
+    return successful;
+  } catch (err) {
+    console.error("Fallback copy failed:", err);
+    return false;
+  }
+}
+
 export async function copyToClipboard(text: string): Promise<boolean> {
   if (!isClipboardSupported()) {
-    return false;
+    return fallbackCopy(text);
   }
   try {
     await navigator.clipboard.writeText(text);
     return true;
   } catch (err) {
     console.error("Failed to copy to clipboard:", err);
-    return false;
+    return fallbackCopy(text);
   }
 }
 
diff --git a/assets/js/utils/convertRates.ts b/assets/js/utils/convertRates.ts
deleted file mode 100644
index 1ed61cc35..000000000
--- a/assets/js/utils/convertRates.ts
+++ /dev/null
@@ -1,15 +0,0 @@
-import type { Rate } from "../types/evcc";
-import type { ForecastSlot } from "../components/Forecast/types";
-
-function convertRate(slot: ForecastSlot): Rate {
-  return {
-    start: new Date(slot.start),
-    end: new Date(slot.end),
-    value: slot.value,
-  };
-}
-
-export default function convertRates(slots: ForecastSlot[] | null): Rate[] {
-  if (!slots) return [];
-  return slots.map(convertRate);
-}
diff --git a/charger/helper.go b/charger/helper.go
index d51aaa61e..b585852f7 100644
--- a/charger/helper.go
+++ b/charger/helper.go
@@ -13,9 +13,6 @@ import (
 
 var ErrLoadpointNotInitialized = errors.New("loadpoint not initialized")
 
-// TODO remove when used
-var _ = ensureCharger
-
 // ensureCharger extracts ID from list of IDs returned from `list` function
 func ensureCharger(id string, list func() ([]string, error)) (string, error) {
 	id, err := ensureChargerEx(id, list, func(v string) (string, error) {
diff --git a/core/vehicle/api.go b/core/vehicle/api.go
index 5dde92b6d..26d1a4ff5 100644
--- a/core/vehicle/api.go
+++ b/core/vehicle/api.go
@@ -15,20 +15,6 @@ type API interface {
 	// Name returns the vehicle name
 	Name() string
 
-	// // GetMode returns the charge mode
-	// GetMode() api.ChargeMode
-	// // SetMode sets the charge mode
-	// SetMode(api.ChargeMode)
-	// // GetPhases returns the phases
-	// GetPhases() int
-	// // SetPhases sets the phases
-	// SetPhases(phases int) error
-
-	// // GetPriority returns the priority
-	// GetPriority() int
-	// // SetPriority sets the priority
-	// SetPriority(priority int)
-
 	// GetMinSoc returns the min soc
 	GetMinSoc() int
 	// SetMinSoc sets the min soc
@@ -52,13 +38,4 @@ type API interface {
 	GetPlanStrategy() api.PlanStrategy
 	// SetPlanStrategy sets the plan strategy
 	SetPlanStrategy(api.PlanStrategy) error
-
-	// // GetMinCurrent returns the min charging current
-	// GetMinCurrent() float64
-	// // SetMinCurrent sets the min charging current
-	// SetMinCurrent(float64)
-	// // GetMaxCurrent returns the max charging current
-	// GetMaxCurrent() float64
-	// // SetMaxCurrent sets the max charging current
-	// SetMaxCurrent(float64)
 }
diff --git a/plugin/mqtt_handler.go b/plugin/mqtt_handler.go
index 7e02ce3a3..b2b2b2e74 100644
--- a/plugin/mqtt_handler.go
+++ b/plugin/mqtt_handler.go
@@ -18,8 +18,8 @@ func (h *msgHandler) receive(payload string) {
 	h.val.Set(payload)
 }
 
-// hasValue returned the received and processed payload as string
-func (h *msgHandler) hasValue() (string, error) {
+// value returns the received and processed payload as string
+func (h *msgHandler) value() (string, error) {
 	payload, err := h.val.GetContext(h.ctx)
 	if err != nil {
 		return "", err
@@ -36,12 +36,3 @@ func (h *msgHandler) hasValue() (string, error) {
 
 	return payload, nil
 }
-
-func (h *msgHandler) value() (string, error) {
-	v, err := h.hasValue()
-	if err != nil {
-		return "", err
-	}
-
-	return v, nil
-}
diff --git a/plugin/mqtt_timeout.go b/plugin/mqtt_timeout.go
index ba2fd8451..262e533ba 100644
--- a/plugin/mqtt_timeout.go
+++ b/plugin/mqtt_timeout.go
@@ -39,20 +39,6 @@ func (h *TimeoutHandler) FloatGetter(p FloatGetter) (func() (float64, error), er
 	}, nil
 }
 
-func (h *TimeoutHandler) StringGetter(p StringGetter) (func() (string, error), error) {
-	g, err := p.StringGetter()
-	if err != nil {
-		return nil, err
-	}
-
-	return func() (val string, err error) {
-		if val, err = g(); err == nil {
-			_, err = h.ticker()
-		}
-		return val, err
-	}, nil
-}
-
 func (h *TimeoutHandler) JsonGetter(p StringGetter) (func(any) error, error) {
 	g, err := p.StringGetter()
 	if err != nil {
diff --git a/server/db/db.go b/server/db/db.go
index b10cffebf..1a21b7c52 100644
--- a/server/db/db.go
+++ b/server/db/db.go
@@ -30,13 +30,6 @@ func New(driver, dsn string) (*gorm.DB, error) {
 
 	switch driver {
 	case "sqlite":
-
-		// Example DSNs:
-		//"path/to/database.db"
-		// "~/database.db",
-		// "database.db?cache=shared&journal_mode=WAL"
-		// ":memory:"
-
 		// Split database path and connection parameters
 		dbPath, params, _ := strings.Cut(dsn, "?")
 
diff --git a/server/http.go b/server/http.go
index 420dee139..8c774b106 100644
--- a/server/http.go
+++ b/server/http.go
@@ -179,12 +179,6 @@ func (s *HTTPd) RegisterSiteHandlers(site site.API) {
 		"plan2":          {"DELETE", "/vehicles/{name:[a-zA-Z0-9_.:-]+}/plan/soc", planSocRemoveHandler(site)},
 		"repeatingPlans": {"POST", "/vehicles/{name:[a-zA-Z0-9_.:-]+}/plan/repeating", addRepeatingPlansHandler(site)},
 		"planStrategy":   {"POST", "/vehicles/{name:[a-zA-Z0-9_.:-]+}/plan/strategy", updatePlanStrategyHandler(site)},
-
-		// config ui
-		// "mode":       {"POST", "/mode/{value:[a-z]+}", chargeModeHandler(v)},
-		// "mincurrent": {"POST", "/mincurrent/{value:[0-9.]+}", floatHandler(pass(v.SetMinCurrent), v.GetMinCurrent)},
-		// "maxcurrent": {"POST", "/maxcurrent/{value:[0-9.]+}", floatHandler(pass(v.SetMaxCurrent), v.GetMaxCurrent)},
-		// "phases":     {"POST", "/phases/{value:[0-9]+}", intHandler(pass(v.SetMinSoc), v.GetMinSoc)},
 	}
 
 	for _, r := range vehicles {
diff --git a/util/log_context.go b/util/log_context.go
index 4c1bfc82a..271098956 100644
--- a/util/log_context.go
+++ b/util/log_context.go
@@ -10,7 +10,7 @@ func WithLogger(ctx context.Context, log *Logger) context.Context {
 	return context.WithValue(ctx, CtxLogger, log)
 }
 
-func ContextLogger(ctx context.Context) *Logger {
+func contextLogger(ctx context.Context) *Logger {
 	if ctx != nil {
 		if l, ok := ctx.Value(CtxLogger).(*Logger); ok {
 			return l
@@ -21,7 +21,7 @@ func ContextLogger(ctx context.Context) *Logger {
 }
 
 func ContextLoggerWithDefault(ctx context.Context, log *Logger) *Logger {
-	if log := ContextLogger(ctx); log != nil {
+	if log := contextLogger(ctx); log != nil {
 		return log
 	}
 
diff --git a/util/tee.go b/util/tee.go
index 12820389a..3975529a7 100644
--- a/util/tee.go
+++ b/util/tee.go
@@ -6,11 +6,6 @@ import (
 	"github.com/evcc-io/evcc/api"
 )
 
-// TeeAttacher allows attaching a listener to a tee
-type TeeAttacher interface {
-	Attach() <-chan Param
-}
-
 // Tee distributes parameters to subscribers
 type Tee struct {
 	mu   sync.Mutex
diff --git a/util/urlvalues/url.go b/util/urlvalues/url.go
index 542663ac4..d96eb4256 100644
--- a/util/urlvalues/url.go
+++ b/util/urlvalues/url.go
@@ -4,6 +4,7 @@ package urlvalues
 import (
 	"errors"
 	"net/url"
+	"slices"
 	"strings"
 )
 
@@ -11,7 +12,7 @@ import (
 func Copy(q url.Values) url.Values {
 	res := make(url.Values, len(q))
 	for k, v := range q {
-		res[k] = append([]string{}, v...)
+		res[k] = slices.Clone(v)
 	}
 	return res
 }