-import { AppBar, Toolbar, Typography, Grid, IconButton, Badge, Paper, Input, StyleRulesCallback, withStyles, WithStyles } from '@material-ui/core';
-import NotificationsIcon from '@material-ui/icons/Notifications';
-import PersonIcon from '@material-ui/icons/Person';
-import HelpIcon from '@material-ui/icons/Help';
+import { IconButton, Paper, StyleRulesCallback, withStyles, WithStyles } from '@material-ui/core';