diff --git a/app/assets/javascripts/dispatcher.js b/app/assets/javascripts/dispatcher.js
index 7253a21e636310c517a6e9e3bcdf43d4a52bd671..58bd223754f26fe1cc0b29f054acfb66883b5e9b 100644
--- a/app/assets/javascripts/dispatcher.js
+++ b/app/assets/javascripts/dispatcher.js
@@ -53,7 +53,6 @@ import ShortcutsBlob from './shortcuts_blob';
 import SigninTabsMemoizer from './signin_tabs_memoizer';
 import Star from './star';
 import Todos from './todos';
-import TreeView from './tree';
 import UsagePing from './usage_ping';
 import UsernameValidator from './username_validator';
 import VersionCheckImage from './version_check_image';
diff --git a/app/assets/javascripts/tree.js b/app/assets/javascripts/tree.js
deleted file mode 100644
index 7777ed1c3dce5a38849896607577e6eb9050452f..0000000000000000000000000000000000000000
--- a/app/assets/javascripts/tree.js
+++ /dev/null
@@ -1,64 +0,0 @@
-/* eslint-disable func-names, space-before-function-paren, wrap-iife, max-len, quotes, consistent-return, no-var, one-var, one-var-declaration-per-line, no-else-return, prefer-arrow-callback, class-methods-use-this */
-
-export default class TreeView {
-  constructor() {
-    this.initKeyNav();
-    // Code browser tree slider
-    // Make the entire tree-item row clickable, but not if clicking another link (like a commit message)
-    $(".tree-content-holder .tree-item").on('click', function(e) {
-      var $clickedEl, path;
-      $clickedEl = $(e.target);
-      path = $('.tree-item-file-name a', this).attr('href');
-      if (!$clickedEl.is('a') && !$clickedEl.is('.str-truncated')) {
-        if (e.metaKey || e.which === 2) {
-          e.preventDefault();
-          return window.open(path, '_blank');
-        } else {
-          return gl.utils.visitUrl(path);
-        }
-      }
-    });
-    // Show the "Loading commit data" for only the first element
-    $('span.log_loading:first').removeClass('hide');
-  }
-
-  initKeyNav() {
-    var li, liSelected;
-    li = $("tr.tree-item");
-    liSelected = null;
-    return $('body').keydown(function(e) {
-      var next, path;
-      if ($("input:focus").length > 0 && (e.which === 38 || e.which === 40)) {
-        return false;
-      }
-      if (e.which === 40) {
-        if (liSelected) {
-          next = liSelected.next();
-          if (next.length > 0) {
-            liSelected.removeClass("selected");
-            liSelected = next.addClass("selected");
-          }
-        } else {
-          liSelected = li.eq(0).addClass("selected");
-        }
-        return $(liSelected).focus();
-      } else if (e.which === 38) {
-        if (liSelected) {
-          next = liSelected.prev();
-          if (next.length > 0) {
-            liSelected.removeClass("selected");
-            liSelected = next.addClass("selected");
-          }
-        } else {
-          liSelected = li.last().addClass("selected");
-        }
-        return $(liSelected).focus();
-      } else if (e.which === 13) {
-        path = $('.tree-item.selected .tree-item-file-name a').attr('href');
-        if (path) {
-          return gl.utils.visitUrl(path);
-        }
-      }
-    });
-  }
-}