diff --git a/ui/src/actions/UserAction.ts b/ui/src/actions/UserAction.ts
index aa2a273..eb0e7d6 100644
--- a/ui/src/actions/UserAction.ts
+++ b/ui/src/actions/UserAction.ts
@@ -5,7 +5,6 @@ import ClientStore from '../stores/ClientStore';
 import dispatcher from '../stores/dispatcher';
 import {getToken, setAuthorizationToken} from './defaultAxios';
 import * as GlobalAction from './GlobalAction';
-import {snack} from './GlobalAction';
 
 /**
  * Login the user.
@@ -25,7 +24,7 @@ export function login(username: string, password: string) {
             auth: {username, password},
         })
         .then((resp) => {
-            snack(`A client named '${name}' was created for your session.`);
+            GlobalAction.snack(`A client named '${name}' was created for your session.`);
             setAuthorizationToken(resp.data.token);
             tryAuthenticate()
                 .then(GlobalAction.initialLoad)
@@ -36,7 +35,7 @@ export function login(username: string, password: string) {
                 );
         })
         .catch(() => {
-            snack('Login failed');
+            GlobalAction.snack('Login failed');
             noAuthentication();
         });
 }
@@ -63,7 +62,9 @@ export function tryAuthenticate() {
         .catch((resp) => {
             if (getToken()) {
                 setAuthorizationToken(null);
-                snack('Authentication failed, try to re-login. (client or user was deleted)');
+                GlobalAction.snack(
+                    'Authentication failed, try to re-login. (client or user was deleted)'
+                );
             }
             noAuthentication();
             return Promise.reject(resp);
@@ -95,7 +96,7 @@ function authenticating() {
 export function changeCurrentUser(pass: string) {
     axios
         .post(config.get('url') + 'current/user/password', {pass})
-        .then(() => snack('Password changed'));
+        .then(() => GlobalAction.snack('Password changed'));
 }
 
 /** Fetches all users. */
@@ -113,7 +114,7 @@ export function deleteUser(id: number) {
     axios
         .delete(config.get('url') + 'user/' + id)
         .then(fetchUsers)
-        .then(() => snack('User deleted'));
+        .then(() => GlobalAction.snack('User deleted'));
 }
 
 /**
@@ -126,7 +127,7 @@ export function createUser(name: string, pass: string, admin: boolean) {
     axios
         .post(config.get('url') + 'user', {name, pass, admin})
         .then(fetchUsers)
-        .then(() => snack('User created'));
+        .then(() => GlobalAction.snack('User created'));
 }
 
 /**
@@ -140,6 +141,6 @@ export function updateUser(id: number, name: string, pass: string | null, admin:
     axios.post(config.get('url') + 'user/' + id, {name, pass, admin}).then(() => {
         fetchUsers();
         tryAuthenticate(); // try authenticate updates the current user
-        snack('User updated');
+        GlobalAction.snack('User updated');
     });
 }
diff --git a/ui/src/component/Header.tsx b/ui/src/component/Header.tsx
index ad79fad..ca1f4dc 100644
--- a/ui/src/component/Header.tsx
+++ b/ui/src/component/Header.tsx
@@ -1,8 +1,7 @@
 import AppBar from '@material-ui/core/AppBar';
 import Button from '@material-ui/core/Button';
 import IconButton from '@material-ui/core/IconButton';
-import {Theme, WithStyles} from '@material-ui/core/styles';
-import {withStyles} from '@material-ui/core/styles';
+import {Theme, WithStyles, withStyles} from '@material-ui/core/styles';
 import Toolbar from '@material-ui/core/Toolbar';
 import Typography from '@material-ui/core/Typography';
 import AccountCircle from '@material-ui/icons/AccountCircle';
diff --git a/ui/src/component/Navigation.tsx b/ui/src/component/Navigation.tsx
index 8b5c192..5965f53 100644
--- a/ui/src/component/Navigation.tsx
+++ b/ui/src/component/Navigation.tsx
@@ -2,20 +2,19 @@ import Divider from '@material-ui/core/Divider';
 import Drawer from '@material-ui/core/Drawer';
 import ListItem from '@material-ui/core/ListItem';
 import ListItemText from '@material-ui/core/ListItemText';
-import {Theme, WithStyles} from '@material-ui/core/styles';
-import {withStyles} from '@material-ui/core/styles';
+import {StyleRules, Theme, WithStyles, withStyles} from '@material-ui/core/styles';
 import React, {Component} from 'react';
 import {Link} from 'react-router-dom';
 import AppStore from '../stores/AppStore';
 
-const styles = (theme: Theme) => ({
+const styles = (theme: Theme): StyleRules<'drawerPaper' | 'toolbar' | 'link'> => ({
     drawerPaper: {
-        position: 'relative' as 'relative',
+        position: 'relative',
         width: 250,
         minHeight: '100%',
         height: '100vh',
     },
-    toolbar: theme.mixins.toolbar as any,
+    toolbar: theme.mixins.toolbar,
     link: {
         color: 'inherit',
         textDecoration: 'none',
diff --git a/ui/src/pages/Applications.tsx b/ui/src/pages/Applications.tsx
index 288a74b..fec9584 100644
--- a/ui/src/pages/Applications.tsx
+++ b/ui/src/pages/Applications.tsx
@@ -25,7 +25,7 @@ interface IState {
 
 class Applications extends Component<{}, IState> {
     public state = {apps: [], createDialog: false, deleteId: -1};
-    private uploadId: number = -1;
+    private uploadId = -1;
     private upload: HTMLInputElement | null = null;
 
     public componentWillMount() {
diff --git a/ui/src/pages/Messages.tsx b/ui/src/pages/Messages.tsx
index dfa10ba..e57b4d9 100644
--- a/ui/src/pages/Messages.tsx
+++ b/ui/src/pages/Messages.tsx
@@ -10,7 +10,7 @@ import Message from '../component/Message';
 import AppStore from '../stores/AppStore';
 import MessageStore from '../stores/MessageStore';
 
-interface IProps extends RouteComponentProps<any> {}
+interface IProps extends RouteComponentProps<{id: string}> {}
 
 interface IState {
     appId: number;
diff --git a/ui/src/registerServiceWorker.ts b/ui/src/registerServiceWorker.ts
index dfc0e96..6b0242e 100644
--- a/ui/src/registerServiceWorker.ts
+++ b/ui/src/registerServiceWorker.ts
@@ -1,4 +1,4 @@
-// tslint:disable:no-console
+// tslint:disable
 // In production, we register a service worker to serve assets from local cache.
 
 // This lets the app load faster on subsequent visits in production, and gives
diff --git a/ui/src/stores/dispatcher.ts b/ui/src/stores/dispatcher.ts
index 67bfd31..25acd16 100644
--- a/ui/src/stores/dispatcher.ts
+++ b/ui/src/stores/dispatcher.ts
@@ -2,6 +2,7 @@ import {Dispatcher} from 'flux';
 
 export interface IEvent {
     type: string;
+    // tslint:disable-next-line
     payload?: any;
 }