diff --git a/biome.json b/biome.json
index 977c5283c..1ac79ea95 100644
--- a/biome.json
+++ b/biome.json
@@ -8,6 +8,10 @@
 				"noBannedTypes": "off",
 				"noForEach": "off"
 			},
+			"correctness": {
+				"noUnusedFunctionParameters": "error",
+				"noUnusedVariables": "error"
+			},
 			"performance": {
 				"noAccumulatingSpread": "off"
 			},
diff --git a/src/screens/Activity/ActivityDetail.tsx b/src/screens/Activity/ActivityDetail.tsx
index 44bb68619..799215e61 100644
--- a/src/screens/Activity/ActivityDetail.tsx
+++ b/src/screens/Activity/ActivityDetail.tsx
@@ -164,7 +164,6 @@ const OnchainActivityDetail = ({
 	const dispatch = useAppDispatch();
 	const contacts = useAppSelector(contactsSelector);
 	const tags = useAppSelector((state) => tagSelector(state, id));
-	const selectedNetwork = useAppSelector(selectedNetworkSelector);
 	const activityItems = useAppSelector(activityItemsSelector);
 	const boostedTransactions = useAppSelector(boostedTransactionsSelector);
 	const transfer = useAppSelector((state) => {
diff --git a/src/screens/Contacts/AddContact.tsx b/src/screens/Contacts/AddContact.tsx
index 2f77c8132..9aedabd8b 100644
--- a/src/screens/Contacts/AddContact.tsx
+++ b/src/screens/Contacts/AddContact.tsx
@@ -50,7 +50,7 @@ const AddContact = ({
 
 		try {
 			parse(contactUrl);
-		} catch (e) {
+		} catch (_e) {
 			setError(t('contact_error_key'));
 			return;
 		}
@@ -60,7 +60,7 @@ const AddContact = ({
 				setError(t('contact_error_yourself'));
 				return;
 			}
-		} catch (e) {}
+		} catch (_e) {}
 
 		const onError = (): void => {
 			setError(t('contact_error_key'));
diff --git a/src/screens/Contacts/ContactEdit.tsx b/src/screens/Contacts/ContactEdit.tsx
index bd2d8984a..d34b0d4cb 100644
--- a/src/screens/Contacts/ContactEdit.tsx
+++ b/src/screens/Contacts/ContactEdit.tsx
@@ -45,7 +45,7 @@ const ContactEdit = ({
 	const myProfile = useMemo(() => {
 		try {
 			return parse(myProfileUrl).id === parse(url).id;
-		} catch (e) {
+		} catch (_e) {
 			return false;
 		}
 	}, [myProfileUrl, url]);
diff --git a/src/screens/Settings/ElectrumConfig/index.tsx b/src/screens/Settings/ElectrumConfig/index.tsx
index 01418c97c..60f8bb6f7 100644
--- a/src/screens/Settings/ElectrumConfig/index.tsx
+++ b/src/screens/Settings/ElectrumConfig/index.tsx
@@ -67,7 +67,7 @@ const isValidURL = (data: string): boolean => {
 		}
 
 		return isValidDomainOrIP;
-	} catch (e) {
+	} catch (_e) {
 		// If URL constructor fails, it's not a valid URL
 		return false;
 	}
diff --git a/src/store/migrations/index.ts b/src/store/migrations/index.ts
index fd0e09d28..0e94b9d7c 100644
--- a/src/store/migrations/index.ts
+++ b/src/store/migrations/index.ts
@@ -76,7 +76,7 @@ const migrations = {
 			for (const key of keys) {
 				mmkv.delete(key);
 			}
-		} catch (e) {}
+		} catch (_e) {}
 
 		return state;
 	},
diff --git a/src/store/utils/settings.ts b/src/store/utils/settings.ts
index 5b5a0b73e..b7366ba1c 100644
--- a/src/store/utils/settings.ts
+++ b/src/store/utils/settings.ts
@@ -35,7 +35,7 @@ export const wipeApp = async ({
 		try {
 			const wallet = getOnChainWallet();
 			await wallet.stop();
-		} catch (e) {}
+		} catch (_e) {}
 
 		// Reset Redux stores & persisted storage
 		dispatch({ type: actions.WIPE_APP });
diff --git a/src/utils/conversion.ts b/src/utils/conversion.ts
index 9f8ee0c91..54f37196d 100644
--- a/src/utils/conversion.ts
+++ b/src/utils/conversion.ts
@@ -13,7 +13,7 @@ export const btcToSats = (balance: number): number => {
 				.value()
 				.toFixed(0),
 		);
-	} catch (e) {
+	} catch (_e) {
 		return 0;
 	}
 };
@@ -75,7 +75,7 @@ export const fiatToBitcoinUnit = ({
 			.toFixed(denomination === EDenomination.modern ? 0 : 8); // satoshi cannot be a fractional number
 
 		return Number(value);
-	} catch (e) {
+	} catch (_e) {
 		return 0;
 	}
 };
diff --git a/src/utils/helpers.ts b/src/utils/helpers.ts
index 50b1d791f..eda561751 100644
--- a/src/utils/helpers.ts
+++ b/src/utils/helpers.ts
@@ -191,19 +191,6 @@ export const capitalize = (text: string): string => {
 	return text.charAt(0).toUpperCase() + text.slice(1);
 };
 
-/**
- * Returns the last word in a string.
- * @param {string} phrase
- */
-export const getLastWordInString = (phrase: string): string => {
-	try {
-		const n = phrase.split(' ');
-		return n[n.length - 1];
-	} catch (e) {
-		return phrase;
-	}
-};
-
 export const roundUpToTwoDecimals = (num: number): number => {
 	return Math.ceil(num * 100) / 100;
 };
@@ -509,7 +496,7 @@ export const openURL = async (url: string): Promise<boolean> => {
 export const openAppURL = async (url: string): Promise<void> => {
 	try {
 		await Linking.openURL(url);
-	} catch (error) {
+	} catch (_e) {
 		console.log('Cannot open url: ', url);
 	}
 };
diff --git a/src/utils/i18n/index.ts b/src/utils/i18n/index.ts
index be332e9e2..c51cdfc9c 100644
--- a/src/utils/i18n/index.ts
+++ b/src/utils/i18n/index.ts
@@ -54,7 +54,7 @@ i18nICU
 			try {
 				// @ts-ignore __setDefaultTimeZone doesn't exist in native API
 				Intl.DateTimeFormat.__setDefaultTimeZone(timeZone);
-			} catch (e) {
+			} catch (_e) {
 				console.log(`error settings timezone to: ${timeZone} fallback to UTC`);
 				// @ts-ignore __setDefaultTimeZone doesn't exist in native API
 				Intl.DateTimeFormat.__setDefaultTimeZone('UTC');
@@ -80,7 +80,7 @@ i18nICU
 			if (Intl.RelativeTimeFormat.polyfilled) {
 				await relativeTimeFormatPolyfills[lang]?.();
 			}
-		} catch (e) {
+		} catch (_e) {
 			console.warn('Error loading polyfill for language: ', lang);
 		}
 	});
diff --git a/src/utils/ignoreLogs.ts b/src/utils/ignoreLogs.ts
index d83c51eef..c3a1d2932 100644
--- a/src/utils/ignoreLogs.ts
+++ b/src/utils/ignoreLogs.ts
@@ -24,7 +24,7 @@ if (__DEV__) {
 			let output: string;
 			try {
 				output = args.join(' ');
-			} catch (err) {
+			} catch (_err) {
 				// if we can't check if the log should be ignored, just log it
 				logger(...args);
 				return;
diff --git a/src/utils/lightning/logs.ts b/src/utils/lightning/logs.ts
index 0b3884ea9..775655706 100644
--- a/src/utils/lightning/logs.ts
+++ b/src/utils/lightning/logs.ts
@@ -173,5 +173,5 @@ const unlinkIfExists = async (path: string): Promise<void> => {
 		if (await exists(path)) {
 			await unlink(path);
 		}
-	} catch (e) {}
+	} catch (_e) {}
 };
diff --git a/src/utils/wallet/transactions.ts b/src/utils/wallet/transactions.ts
index ba16d49fc..79a464add 100644
--- a/src/utils/wallet/transactions.ts
+++ b/src/utils/wallet/transactions.ts
@@ -168,7 +168,7 @@ export const getTransactionInputValue = ({
 			}
 		}
 		return 0;
-	} catch (e) {
+	} catch (_e) {
 		return 0;
 	}
 };
diff --git a/src/utils/wallet/txdecoder.ts b/src/utils/wallet/txdecoder.ts
index 4b6c0c1f3..639890ed7 100644
--- a/src/utils/wallet/txdecoder.ts
+++ b/src/utils/wallet/txdecoder.ts
@@ -44,7 +44,7 @@ const classifyOutputScript = (script): string => {
 	const isOutput = (paymentFn: PaymentFn): bitcoin.Payment | undefined => {
 		try {
 			return paymentFn({ output: script });
-		} catch (e) {}
+		} catch (_e) {}
 	};
 
 	if (isOutput(bitcoin.payments.p2pk)) {