diff --git a/src/app/Coriolis.jsx b/src/app/Coriolis.jsx
index 9408afbd..5d676b5e 100644
--- a/src/app/Coriolis.jsx
+++ b/src/app/Coriolis.jsx
@@ -11,7 +11,6 @@ import ModalHelp from './components/ModalHelp';
 import ModalImport from './components/ModalImport';
 import ModalPermalink from './components/ModalPermalink';
 import * as CompanionApiUtils from './utils/CompanionApiUtils';
-import { outfitURL } from './utils/UrlGenerators';
 
 import AboutPage from './pages/AboutPage';
 import NotFoundPage from './pages/NotFoundPage';
diff --git a/src/app/components/ComparisonTable.jsx b/src/app/components/ComparisonTable.jsx
index f93064d3..e8819d3c 100644
--- a/src/app/components/ComparisonTable.jsx
+++ b/src/app/components/ComparisonTable.jsx
@@ -3,7 +3,6 @@ import TranslatedComponent from './TranslatedComponent';
 import Link from './Link';
 import cn from 'classnames';
 import { outfitURL } from '../utils/UrlGenerators';
-import { SizeMap } from '../shipyard/Constants';
 
 
 /**
diff --git a/src/app/components/Modification.jsx b/src/app/components/Modification.jsx
index 9b7a53b9..15cf5a44 100644
--- a/src/app/components/Modification.jsx
+++ b/src/app/components/Modification.jsx
@@ -1,5 +1,4 @@
 import React from 'react';
-import { findDOMNode } from 'react-dom';
 import TranslatedComponent from './TranslatedComponent';
 import cn from 'classnames';
 import NumberEditor from 'react-number-editor';
diff --git a/src/app/components/ModificationsMenu.jsx b/src/app/components/ModificationsMenu.jsx
index 9bef6235..76e088ad 100644
--- a/src/app/components/ModificationsMenu.jsx
+++ b/src/app/components/ModificationsMenu.jsx
@@ -1,10 +1,8 @@
 import React from 'react';
 import * as _ from 'lodash';
-import { findDOMNode } from 'react-dom';
 import TranslatedComponent from './TranslatedComponent';
 import { isEmpty, stopCtxPropagation } from '../utils/UtilityFunctions';
 import cn from 'classnames';
-import { MountFixed, MountGimballed, MountTurret } from './SvgIcons';
 import { Modifications } from 'coriolis-data/dist';
 import Modification from './Modification';
 
@@ -44,8 +42,8 @@ export default class ModificationsMenu extends TranslatedComponent {
    * @return {Object}         list: Array of React Components
    */
   _initState(props, context) {
-    let { m, onChange, ship } = props;
-    const { language, tooltip, termtip } = context;
+    let { m } = props;
+    const { language } = context;
     const translate = language.translate;
 
     // Set up the blueprints
@@ -267,7 +265,6 @@ export default class ModificationsMenu extends TranslatedComponent {
     }
 
     let specialLabel;
-    let haveSpecial = false;
     if (m.blueprint && m.blueprint.special) {
       specialLabel = m.blueprint.special.name;
     } else {
diff --git a/src/app/components/MovementSummary.jsx b/src/app/components/MovementSummary.jsx
index 4b6f25df..adc3974e 100644
--- a/src/app/components/MovementSummary.jsx
+++ b/src/app/components/MovementSummary.jsx
@@ -26,7 +26,6 @@ export default class MovementSummary extends TranslatedComponent {
     let ship = this.props.ship;
     let { language, tooltip, termtip } = this.context;
     let { formats, translate, units } = language;
-    let hide = tooltip.bind(null, null);
     let boostMultiplier = ship.topBoost / ship.topSpeed;
 
     return (
diff --git a/src/app/components/PowerBands.jsx b/src/app/components/PowerBands.jsx
index 0eff67bb..d8dd8a5e 100644
--- a/src/app/components/PowerBands.jsx
+++ b/src/app/components/PowerBands.jsx
@@ -186,9 +186,9 @@ export default class PowerBands extends TranslatedComponent {
 
     let { wattScale, pctScale, context, props, state } = this;
     let { translate, formats } = context.language;
-    let { f2, pct1, rPct, r2 } = formats; // wattFmt, pctFmt, pctAxis, wattAxis
-    let { available, bands, width } = props;
-    let { innerWidth, maxPwr, ret, dep } = state;
+    let { f2, pct1 } = formats; // wattFmt, pctFmt
+    let { available, bands } = props;
+    let { innerWidth, ret, dep } = state;
     let pwrWarningClass = cn('threshold', { exceeded: bands[0].retractedSum * 2 >= available });
     let deployed = [];
     let retracted = [];
diff --git a/src/app/components/ShipSelector.jsx b/src/app/components/ShipSelector.jsx
index 75a6ee92..34f11786 100644
--- a/src/app/components/ShipSelector.jsx
+++ b/src/app/components/ShipSelector.jsx
@@ -29,7 +29,6 @@ export default class ShipSelector extends TranslatedComponent {
    */
   _getShipsMenu() {
     const _selectShip = this._selectShip;
-    const _openMenu = this._openMenu;
 
     let shipList = [];
 
diff --git a/src/app/components/ShipSummaryTable.jsx b/src/app/components/ShipSummaryTable.jsx
index cf627f3e..651f9a9f 100644
--- a/src/app/components/ShipSummaryTable.jsx
+++ b/src/app/components/ShipSummaryTable.jsx
@@ -1,7 +1,6 @@
 import React from 'react';
 import TranslatedComponent from './TranslatedComponent';
 import cn from 'classnames';
-import { SizeMap } from '../shipyard/Constants';
 import { Warning } from './SvgIcons';
 
 /**
@@ -23,7 +22,7 @@ export default class ShipSummaryTable extends TranslatedComponent {
     let translate = language.translate;
     let u = language.units;
     let formats = language.formats;
-    let { time, int, round, f1, f2, pct } = formats;
+    let { time, int, round, f1, f2 } = formats;
     let sgClassNames = cn({ warning: ship.findInternalByGroup('sg') && !ship.shield, muted: !ship.findInternalByGroup('sg') });
     let sgRecover = '-';
     let sgRecharge = '-';
diff --git a/src/app/components/Slot.jsx b/src/app/components/Slot.jsx
index b1c66ba1..9959a16f 100644
--- a/src/app/components/Slot.jsx
+++ b/src/app/components/Slot.jsx
@@ -3,8 +3,6 @@ import TranslatedComponent from './TranslatedComponent';
 import cn from 'classnames';
 import AvailableModulesMenu from './AvailableModulesMenu';
 import ModificationsMenu from './ModificationsMenu';
-import { Modifications } from 'coriolis-data/dist';
-import { ListModifications } from './SvgIcons';
 import { diffDetails } from '../utils/SlotFunctions';
 import { wrapCtxMenu } from '../utils/UtilityFunctions';
 import { stopCtxPropagation } from '../utils/UtilityFunctions';
diff --git a/src/app/components/StandardSlot.jsx b/src/app/components/StandardSlot.jsx
index f0e372fc..28d9d16c 100644
--- a/src/app/components/StandardSlot.jsx
+++ b/src/app/components/StandardSlot.jsx
@@ -2,7 +2,6 @@ import React from 'react';
 import cn from 'classnames';
 import Persist from '../stores/Persist';
 import TranslatedComponent from './TranslatedComponent';
-import { jumpRange } from '../shipyard/Calculations';
 import { diffDetails } from '../utils/SlotFunctions';
 import AvailableModulesMenu from './AvailableModulesMenu';
 import ModificationsMenu from './ModificationsMenu';
diff --git a/src/app/components/StandardSlotSection.jsx b/src/app/components/StandardSlotSection.jsx
index 23fe2b63..54cdf08e 100644
--- a/src/app/components/StandardSlotSection.jsx
+++ b/src/app/components/StandardSlotSection.jsx
@@ -3,7 +3,6 @@ import cn from 'classnames';
 import SlotSection from './SlotSection';
 import StandardSlot from './StandardSlot';
 import Module from '../shipyard/Module';
-import { diffDetails } from '../utils/SlotFunctions';
 import * as ShipRoles from '../shipyard/ShipRoles';
 import { stopCtxPropagation } from '../utils/UtilityFunctions';
 
diff --git a/src/app/shipyard/Module.js b/src/app/shipyard/Module.js
index 7f357f51..92f21771 100755
--- a/src/app/shipyard/Module.js
+++ b/src/app/shipyard/Module.js
@@ -1,5 +1,4 @@
 import * as ModuleUtils from './ModuleUtils';
-import * as _ from 'lodash';
 import { Modifications } from 'coriolis-data/dist';
 
 /**
diff --git a/src/app/shipyard/Serializer.js b/src/app/shipyard/Serializer.js
index c71122f0..566d5c30 100644
--- a/src/app/shipyard/Serializer.js
+++ b/src/app/shipyard/Serializer.js
@@ -1,15 +1,10 @@
 import { ModuleGroupToName, MountMap, BulkheadNames } from './Constants';
 import { Ships } from 'coriolis-data/dist';
 import Ship from './Ship';
-import * as ModuleUtils from './ModuleUtils';
 import * as Utils from '../utils/UtilityFunctions';
 import LZString from 'lz-string';
 import { outfitURL } from '../utils/UrlGenerators';
 
-const STANDARD = ['powerPlant', 'thrusters', 'frameShiftDrive', 'lifeSupport', 'powerDistributor', 'sensors', 'fuelTank'];
-
-const STANDARD_GROUPS = { 'powerPlant': 'pp', 'thrusters': 't', 'frameShiftDrive': 'fsd', 'lifeSupport': 'ls', 'powerDistributor': 'pd', 'sensors': 's', 'fuelTank': 'ft' };
-
 /**
  * Generates ship-loadout JSON Schema standard object
  * @param  {Object} standard model
diff --git a/src/app/shipyard/Ship.js b/src/app/shipyard/Ship.js
index 216ddade..e369f259 100755
--- a/src/app/shipyard/Ship.js
+++ b/src/app/shipyard/Ship.js
@@ -835,7 +835,6 @@ export default class Ship {
    */
   setSlotPriority(slot, newPriority) {
     if (newPriority >= 0 && newPriority < this.priorityBands.length) {
-      let oldPriority = slot.priority;
       slot.priority = newPriority;
       this.updatePowerPrioritesString();
 
@@ -1437,7 +1436,6 @@ export default class Ship {
 
     let bulkheadMods = new Array();
     let bulkheadBlueprint = null;
-    let bulkheadBlueprintGrade = null;
     if (this.bulkheads.m && this.bulkheads.m.mods) {
       for (let modKey in this.bulkheads.m.mods) {
         // Filter out invalid modifications
diff --git a/src/app/utils/CompanionApiUtils.js b/src/app/utils/CompanionApiUtils.js
index c55e334a..461886cb 100644
--- a/src/app/utils/CompanionApiUtils.js
+++ b/src/app/utils/CompanionApiUtils.js
@@ -243,7 +243,6 @@ export function shipFromJson(json) {
   let internalSlotNum = 1;
   let militarySlotNum = 1;
   for (let i in shipTemplate.slots.internal) {
-    const internalClassNum = isNaN(shipTemplate.slots.internal[i]) ? shipTemplate.slots.internal[i].class : shipTemplate.slots.internal[i];
     const isMilitary = isNaN(shipTemplate.slots.internal[i]) ? shipTemplate.slots.internal[i].name == 'Military' : false;
 
     // The internal slot might be a standard or a military slot.  Military slots have a different naming system