diff --git a/smart-hut/src/components/dashboard/AutomationCreationModal.js b/smart-hut/src/components/dashboard/AutomationCreationModal.js
index f32abde..867f677 100644
--- a/smart-hut/src/components/dashboard/AutomationCreationModal.js
+++ b/smart-hut/src/components/dashboard/AutomationCreationModal.js
@@ -255,8 +255,6 @@ class AutomationSaveModal extends Component {
   }
 
   _checkNewTrigger(trigger) {
-    const auxDevice = this.props.devices[trigger.device];
-
     // Check for missing fields for creation
     const error = {
       result: false,
@@ -271,6 +269,8 @@ class AutomationSaveModal extends Component {
       case "rangeTrigger":
         if (!trigger.device || !trigger.operand || !trigger.value) return error;
         break;
+      default:
+        throw new Error("theoretically unreachable statement");
     }
 
     const isNotDuplicate = !this.state.triggerList.some(
@@ -345,6 +345,8 @@ class AutomationSaveModal extends Component {
         return "" + trigger.device + trigger.on;
       case "rangeTrigger":
         return "" + trigger.device + trigger.operand + trigger.value;
+      default:
+        throw new Error("theoretically unreachable statement");
     }
   };
 
diff --git a/smart-hut/src/components/dashboard/AutomationsPanel.js b/smart-hut/src/components/dashboard/AutomationsPanel.js
index d4d828e..9d6c972 100644
--- a/smart-hut/src/components/dashboard/AutomationsPanel.js
+++ b/smart-hut/src/components/dashboard/AutomationsPanel.js
@@ -1,4 +1,4 @@
-import React, { Component, useState, useEffect } from "react";
+import React, { Component } from "react";
 import { connect } from "react-redux";
 import { RemoteService } from "../../remote";
 import "./Automations.css";
diff --git a/smart-hut/src/components/dashboard/HostsPanel.js b/smart-hut/src/components/dashboard/HostsPanel.js
index 21dd9c8..7b6ffac 100644
--- a/smart-hut/src/components/dashboard/HostsPanel.js
+++ b/smart-hut/src/components/dashboard/HostsPanel.js
@@ -4,10 +4,6 @@ import { RemoteService } from "../../remote";
 import { Card, Segment, Header, Icon } from "semantic-ui-react";
 
 class HostsPanel extends Component {
-  constructor(props) {
-    super(props);
-  }
-
   render() {
     return (
       <Card.Group centered style={{ paddingTop: "3rem" }}>
diff --git a/smart-hut/src/components/dashboard/devices/Device.js b/smart-hut/src/components/dashboard/devices/Device.js
index 6a251b3..ac13888 100644
--- a/smart-hut/src/components/dashboard/devices/Device.js
+++ b/smart-hut/src/components/dashboard/devices/Device.js
@@ -7,7 +7,7 @@ import Switcher from "./Switch";
 import Videocam from "./Videocam";
 import Curtains from "./Curtain";
 import Thermostat from "./Thermostats";
-import { Segment, Grid, Header, Button, Icon, Card } from "semantic-ui-react";
+import { Header, Button, Icon, Card } from "semantic-ui-react";
 import { RemoteService } from "../../../remote";
 import { connect } from "react-redux";
 import DeviceSettingsModal from "./DeviceSettingsModal";
@@ -157,39 +157,35 @@ class Device extends React.Component {
   }
 
   render() {
-    {
-      return (
-        <Card
-          style={{ height: this.props.tab === "Devices" ? "23em" : "27em" }}
-        >
-          <Card.Content>
-            <Card.Header textAlign="center">
-              <Header as="h3">{this.deviceName}</Header>
-              {this.props.tab === "Scenes" ? (
-                <Header as="h4">{this.props.roomName}</Header>
-              ) : (
-                ""
-              )}
-            </Card.Header>
+    return (
+      <Card style={{ height: this.props.tab === "Devices" ? "23em" : "27em" }}>
+        <Card.Content>
+          <Card.Header textAlign="center">
+            <Header as="h3">{this.deviceName}</Header>
+            {this.props.tab === "Scenes" ? (
+              <Header as="h4">{this.props.roomName}</Header>
+            ) : (
+              ""
+            )}
+          </Card.Header>
 
-            <Card.Description style={centerComponent}>
-              {this.renderDeviceComponent()}
-            </Card.Description>
-          </Card.Content>
-          <Card.Content extra>
-            {this.props.tab === "Devices"
-              ? this.deviceDescription()
-              : this.stateDescription()}
-          </Card.Content>
-          {this.props.tab === "Devices" ? (
-            <DeviceSettingsModal
-              ref={this.modalRef}
-              id={this.props.stateOrDevice.id}
-            />
-          ) : null}
-        </Card>
-      );
-    }
+          <Card.Description style={centerComponent}>
+            {this.renderDeviceComponent()}
+          </Card.Description>
+        </Card.Content>
+        <Card.Content extra>
+          {this.props.tab === "Devices"
+            ? this.deviceDescription()
+            : this.stateDescription()}
+        </Card.Content>
+        {this.props.tab === "Devices" ? (
+          <DeviceSettingsModal
+            ref={this.modalRef}
+            id={this.props.stateOrDevice.id}
+          />
+        ) : null}
+      </Card>
+    );
   }
 }
 
diff --git a/smart-hut/src/components/dashboard/devices/Thermostats.js b/smart-hut/src/components/dashboard/devices/Thermostats.js
index ab08fa1..c2012bd 100644
--- a/smart-hut/src/components/dashboard/devices/Thermostats.js
+++ b/smart-hut/src/components/dashboard/devices/Thermostats.js
@@ -27,7 +27,6 @@ class Thermostats extends Component {
     console.log(this.state);
     this.setMode = this.setMode.bind(this);
     this.setTargetTemperature = this.setTargetTemperature.bind(this);
-    this.setTargetTemperature = this.setTargetTemperature.bind(this);
   }
 
   setMode(mode) {
@@ -88,43 +87,6 @@ class Thermostats extends Component {
     }
   }
 
-  setTargetTemperature(newTemp) {
-    if (this.state.timeout) {
-      clearTimeout(this.state.timeout);
-    }
-
-    this.setState({
-      newTemp,
-      timeout: setTimeout(() => {
-        this.saveTargetTemperature(newTemp);
-        this.setState({
-          targetTemperature: this.state.targetTemperature,
-          timeout: null,
-        });
-      }, 100),
-    });
-  }
-
-  saveTargetTemperature(targetTemperature) {
-    if (this.props.tab === "Devices") {
-      this.props
-        .saveDevice({
-          ...this.props.device,
-          turnOn: this.props.device.mode !== "OFF",
-          targetTemperature,
-        })
-        .catch((err) => console.error("thermostat update error", err));
-    } else {
-      this.props.updateState(
-        {
-          id: this.props.stateOrDevice.id,
-          targetTemperature: targetTemperature,
-        },
-        this.props.stateOrDevice.kind
-      );
-    }
-  }
-
   setTargetTemperature() {
     this.saveTargetTemperature(this.state.targetTemperature);
   }
diff --git a/smart-hut/src/views/HostsNavbar.js b/smart-hut/src/views/HostsNavbar.js
index f0f37ab..0158346 100644
--- a/smart-hut/src/views/HostsNavbar.js
+++ b/smart-hut/src/views/HostsNavbar.js
@@ -1,12 +1,5 @@
 import React, { Component } from "react";
-import {
-  Menu,
-  Button,
-  Grid,
-  Icon,
-  Responsive,
-  Dropdown,
-} from "semantic-ui-react";
+import { Menu, Grid, Responsive, Dropdown } from "semantic-ui-react";
 import HostModal from "../components/HostModal";
 import { RemoteService } from "../remote";
 import { connect } from "react-redux";