diff --git a/packages/web_ui/src/util/wslink.jsx b/packages/web_ui/src/util/wslink.jsx
deleted file mode 100644
index 07d4775a..00000000
--- a/packages/web_ui/src/util/wslink.jsx
+++ /dev/null
@@ -1,116 +0,0 @@
-import * as errors from "@clusterio/lib/errors";
-import * as link from "@clusterio/lib/link";
-
-// Note: control is created as in bootstrap.jsx as a global.
-
-let listSlaves = createListFunction("listSlaves");
-let listInstances = createListFunction("listInstances");
-let listUsers = createListFunction("listUsers", "name");
-let listRoles = createListFunction("listRoles");
-let listPermissions = createListFunction("listPermissions", "name");
-
-async function startInstance({ instance_id, save = null }) {
-	return await link.messages.startInstance.send(control, { instance_id, save });
-};
-async function stopInstance({ instance_id }) {
-	return await link.messages.stopInstance.send(control, { instance_id });
-};
-async function createInstance(serialized_config) {
-	return await link.messages.createInstance.send(control, { serialized_config });
-};
-async function deleteInstance({ instance_id }) {
-	return await link.messages.deleteInstance.send(control, { instance_id });
-};
-async function assignInstance({ instance_id, slave_id }) {
-	return await link.messages.assignInstanceCommand.send(control, {
-		instance_id,
-		slave_id,
-	});
-};
-async function createSave({ instance_id }) {
-	return await link.messages.createSave.send(control, { instance_id });
-};
-async function getInstanceConfig({ instance_id }) {
-	return await link.messages.getInstanceConfig.send(control, { instance_id });
-};
-async function setInstanceConfigField({ instance_id, field, value }) {
-	return await link.messages.setInstanceConfigField.send(control, {
-		instance_id,
-		field,
-		value: typeof value === "object" ? JSON.stringify(value) : value,
-	});
-};
-async function setInstanceConfigProp({ instance_id, field, prop, value }) {
-	return await link.messages.setInstanceConfigProp.send(control, {
-		instance_id,
-		field,
-		prop,
-		value, // JSON Object
-	});
-};
-async function sendRcon({ instance_id, command }) {
-	return await link.messages.sendRcon.send(control, { instance_id, command });
-};
-async function setInstanceOutputSubscriptions({ instance_id }) {
-	return await link.messages.setInstanceOutputSubscriptions.send(control, { instance_ids: [instance_id] });
-};
-
-async function createUser({ name }) {
-	return await link.messages.createUser.send(control, { name });
-};
-async function deleteUser({ name }) {
-	return await link.messages.deleteUser.send(control, { name });
-};
-async function setRoles({ name, roles }) {
-	return await link.messages.updateUserRoles.send(control, {
-		name,
-		roles,
-	});
-};
-
-async function createRole({ name, description, permissions = [] }) {
-	return await link.messages.createRole.send(control, { name, description, permissions });
-};
-async function updateRole({ id, name, description, permissions }) {
-	return await link.messages.updateRole.send(control, {
-		id, name, description, permissions,
-	});
-};
-
-export {
-	listSlaves,
-	listInstances,
-	listUsers,
-	createUser,
-	deleteUser,
-	listRoles,
-	setRoles,
-	createRole,
-	updateRole,
-	listPermissions,
-	startInstance,
-	stopInstance,
-	createInstance,
-	deleteInstance,
-	assignInstance,
-	createSave,
-	getInstanceConfig,
-	setInstanceConfigField,
-	setInstanceConfigProp,
-	sendRcon,
-	setInstanceOutputSubscriptions,
-};
-
-function createListFunction(name, key) {
-	return async () => (
-		(await link.messages[name].send(control)).list.map(addKey(key || "id"))
-	);
-}
-function addKey(key) {
-	return function (el) {
-		return {
-			...el,
-			key: el[key],
-		};
-	};
-}