diff --git a/components/app.js b/components/app.js
index d6882fb..7c3a95f 100644
--- a/components/app.js
+++ b/components/app.js
@@ -55,7 +55,7 @@ function isProduction() {
 	// NODE_ENV is set by the Parcel build system
 	try {
 		return process.env.NODE_ENV === "production";
-	} catch (err) {
+	} catch (_err) {
 		return false;
 	}
 }
@@ -1960,7 +1960,7 @@ export default class App extends Component {
 
 	handleOpenSettingsClick() {
 		let showProtocolHandler = false;
-		for (let [id, client] of this.clients) {
+		for (let [_id, client] of this.clients) {
 			if (client.caps.enabled.has("soju.im/bouncer-networks")) {
 				showProtocolHandler = true;
 				break;
diff --git a/lib/irc.js b/lib/irc.js
index 36ee09c..2d8836c 100644
--- a/lib/irc.js
+++ b/lib/irc.js
@@ -272,7 +272,7 @@ export function parseTargetPrefix(s, allowedPrefixes = STD_MEMBERSHIPS) {
 const alphaNum = (() => {
 	try {
 		return new RegExp(/^[\p{L}0-9]$/, "u");
-	} catch (e) {
+	} catch (_e) {
 		return new RegExp(/^[a-zA-Z0-9]$/, "u");
 	}
 })();
diff --git a/state.js b/state.js
index 8786299..8047dc7 100644
--- a/state.js
+++ b/state.js
@@ -486,7 +486,7 @@ export const State = {
 			channel = msg.params[0];
 
 			if (client.isMyNick(msg.prefix.name)) {
-				let [id, update] = State.createBuffer(state, channel, serverID, client);
+				let [_id, update] = State.createBuffer(state, channel, serverID, client);
 				state = { ...state, ...update };
 			}