diff --git a/common/components/protocols.js b/common/components/protocols.js
index 52b49193..f220023d 100644
--- a/common/components/protocols.js
+++ b/common/components/protocols.js
@@ -85,7 +85,6 @@ ChromeData.prototype = {
 };
 
 function Dactyl() {
-    const self = this;
     this.wrappedJSObject = this;
 
     this.HELP_TAGS = {};
diff --git a/common/content/commandline.js b/common/content/commandline.js
index 8fa7309a..8f28ddda 100644
--- a/common/content/commandline.js
+++ b/common/content/commandline.js
@@ -10,7 +10,6 @@
 
 const CommandWidgets = Class("CommandWidgets", {
     init: function () {
-        const self = this;
         this.elements = {};
         this.addElement({
             name: "container",
diff --git a/common/content/commands.js b/common/content/commands.js
index 3a856393..bcb7218f 100644
--- a/common/content/commands.js
+++ b/common/content/commands.js
@@ -140,7 +140,6 @@ const Command = Class("Command", {
                            (isString(this.deprecated) ? ": " + this.deprecated : ""));
         }
 
-        let self = this;
         modifiers = modifiers || {};
 
         if (args.count != null && !this.count)
diff --git a/common/content/completion.js b/common/content/completion.js
index 365ac1fd..7787c8af 100644
--- a/common/content/completion.js
+++ b/common/content/completion.js
@@ -553,7 +553,6 @@ const CompletionContext = Class("CompletionContext", {
     },
 
     getItems: function getItems(start, end) {
-        let self = this;
         let items = this.items;
         let step = start > end ? -1 : 1;
         start = Math.max(0, start || 0);
diff --git a/common/content/events.js b/common/content/events.js
index e6823b2a..cbb35011 100644
--- a/common/content/events.js
+++ b/common/content/events.js
@@ -13,8 +13,6 @@
  */
 const Events = Module("events", {
     init: function () {
-        const self = this;
-
         this._fullscreen = window.fullScreen;
         this._lastFocus = null;
         this._currentMacro = "";
diff --git a/common/content/javascript.js b/common/content/javascript.js
index ae45f81d..4b369df8 100644
--- a/common/content/javascript.js
+++ b/common/content/javascript.js
@@ -146,8 +146,6 @@ const JavaScript = Module("javascript", {
     },
 
     _buildStack: function (filter) {
-        let self = this;
-
         // Todo: Fix these one-letter variable names.
         this._i = 0;
         this._c = ""; // Current index and character, respectively.