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diff --git a/spec/javascripts/line_highlighter_spec.js b/spec/javascripts/line_highlighter_spec.js
deleted file mode 100644
index bedab0fd003..00000000000
--- a/spec/javascripts/line_highlighter_spec.js
+++ /dev/null
@@ -1,261 +0,0 @@
-/* eslint-disable dot-notation, no-return-assign, no-new, no-underscore-dangle */
-
-import $ from 'jquery';
-import LineHighlighter from '~/line_highlighter';
-
-describe('LineHighlighter', function() {
-  preloadFixtures('static/line_highlighter.html');
-  const clickLine = function(number, eventData = {}) {
-    if ($.isEmptyObject(eventData)) {
-      return $(`#L${number}`).click();
-    }
-    const e = $.Event('click', eventData);
-    return $(`#L${number}`).trigger(e);
-  };
-  beforeEach(function() {
-    loadFixtures('static/line_highlighter.html');
-    this['class'] = new LineHighlighter();
-    this.css = this['class'].highlightLineClass;
-    return (this.spies = {
-      __setLocationHash__: spyOn(this['class'], '__setLocationHash__').and.callFake(function() {}),
-    });
-  });
-
-  describe('behavior', function() {
-    it('highlights one line given in the URL hash', function() {
-      new LineHighlighter({ hash: '#L13' });
-
-      expect($('#LC13')).toHaveClass(this.css);
-    });
-
-    it('highlights one line given in the URL hash with given CSS class name', function() {
-      const hiliter = new LineHighlighter({ hash: '#L13', highlightLineClass: 'hilite' });
-
-      expect(hiliter.highlightLineClass).toBe('hilite');
-      expect($('#LC13')).toHaveClass('hilite');
-      expect($('#LC13')).not.toHaveClass('hll');
-    });
-
-    it('highlights a range of lines given in the URL hash', function() {
-      new LineHighlighter({ hash: '#L5-25' });
-
-      expect($(`.${this.css}`).length).toBe(21);
-      for (let line = 5; line <= 25; line += 1) {
-        expect($(`#LC${line}`)).toHaveClass(this.css);
-      }
-    });
-
-    it('scrolls to the first highlighted line on initial load', function() {
-      const spy = spyOn($, 'scrollTo');
-      new LineHighlighter({ hash: '#L5-25' });
-
-      expect(spy).toHaveBeenCalledWith('#L5', jasmine.anything());
-    });
-
-    it('discards click events', function() {
-      const spy = spyOnEvent('a[data-line-number]', 'click');
-      clickLine(13);
-
-      expect(spy).toHaveBeenPrevented();
-    });
-
-    it('handles garbage input from the hash', function() {
-      const func = function() {
-        return new LineHighlighter({ fileHolderSelector: '#blob-content-holder' });
-      };
-
-      expect(func).not.toThrow();
-    });
-
-    it('handles hashchange event', () => {
-      const highlighter = new LineHighlighter();
-
-      spyOn(highlighter, 'highlightHash');
-
-      window.dispatchEvent(new Event('hashchange'), 'L15');
-
-      expect(highlighter.highlightHash).toHaveBeenCalled();
-    });
-  });
-
-  describe('clickHandler', function() {
-    it('handles clicking on a child icon element', function() {
-      const spy = spyOn(this['class'], 'setHash').and.callThrough();
-      $('#L13 i')
-        .mousedown()
-        .click();
-
-      expect(spy).toHaveBeenCalledWith(13);
-      expect($('#LC13')).toHaveClass(this.css);
-    });
-
-    describe('without shiftKey', function() {
-      it('highlights one line when clicked', function() {
-        clickLine(13);
-
-        expect($('#LC13')).toHaveClass(this.css);
-      });
-
-      it('unhighlights previously highlighted lines', function() {
-        clickLine(13);
-        clickLine(20);
-
-        expect($('#LC13')).not.toHaveClass(this.css);
-        expect($('#LC20')).toHaveClass(this.css);
-      });
-
-      it('sets the hash', function() {
-        const spy = spyOn(this['class'], 'setHash').and.callThrough();
-        clickLine(13);
-
-        expect(spy).toHaveBeenCalledWith(13);
-      });
-    });
-
-    describe('with shiftKey', function() {
-      it('sets the hash', function() {
-        const spy = spyOn(this['class'], 'setHash').and.callThrough();
-        clickLine(13);
-        clickLine(20, {
-          shiftKey: true,
-        });
-
-        expect(spy).toHaveBeenCalledWith(13);
-        expect(spy).toHaveBeenCalledWith(13, 20);
-      });
-
-      describe('without existing highlight', function() {
-        it('highlights the clicked line', function() {
-          clickLine(13, {
-            shiftKey: true,
-          });
-
-          expect($('#LC13')).toHaveClass(this.css);
-          expect($(`.${this.css}`).length).toBe(1);
-        });
-
-        it('sets the hash', function() {
-          const spy = spyOn(this['class'], 'setHash');
-          clickLine(13, {
-            shiftKey: true,
-          });
-
-          expect(spy).toHaveBeenCalledWith(13);
-        });
-      });
-
-      describe('with existing single-line highlight', function() {
-        it('uses existing line as last line when target is lesser', function() {
-          clickLine(20);
-          clickLine(15, {
-            shiftKey: true,
-          });
-
-          expect($(`.${this.css}`).length).toBe(6);
-          for (let line = 15; line <= 20; line += 1) {
-            expect($(`#LC${line}`)).toHaveClass(this.css);
-          }
-        });
-
-        it('uses existing line as first line when target is greater', function() {
-          clickLine(5);
-          clickLine(10, {
-            shiftKey: true,
-          });
-
-          expect($(`.${this.css}`).length).toBe(6);
-          for (let line = 5; line <= 10; line += 1) {
-            expect($(`#LC${line}`)).toHaveClass(this.css);
-          }
-        });
-      });
-
-      describe('with existing multi-line highlight', function() {
-        beforeEach(function() {
-          clickLine(10, {
-            shiftKey: true,
-          });
-          clickLine(13, {
-            shiftKey: true,
-          });
-        });
-
-        it('uses target as first line when it is less than existing first line', function() {
-          clickLine(5, {
-            shiftKey: true,
-          });
-
-          expect($(`.${this.css}`).length).toBe(6);
-          for (let line = 5; line <= 10; line += 1) {
-            expect($(`#LC${line}`)).toHaveClass(this.css);
-          }
-        });
-
-        it('uses target as last line when it is greater than existing first line', function() {
-          clickLine(15, {
-            shiftKey: true,
-          });
-
-          expect($(`.${this.css}`).length).toBe(6);
-          for (let line = 10; line <= 15; line += 1) {
-            expect($(`#LC${line}`)).toHaveClass(this.css);
-          }
-        });
-      });
-    });
-  });
-
-  describe('hashToRange', function() {
-    beforeEach(function() {
-      this.subject = this['class'].hashToRange;
-    });
-
-    it('extracts a single line number from the hash', function() {
-      expect(this.subject('#L5')).toEqual([5, null]);
-    });
-
-    it('extracts a range of line numbers from the hash', function() {
-      expect(this.subject('#L5-15')).toEqual([5, 15]);
-    });
-
-    it('returns [null, null] when the hash is not a line number', function() {
-      expect(this.subject('#foo')).toEqual([null, null]);
-    });
-  });
-
-  describe('highlightLine', function() {
-    beforeEach(function() {
-      this.subject = this['class'].highlightLine;
-    });
-
-    it('highlights the specified line', function() {
-      this.subject(13);
-
-      expect($('#LC13')).toHaveClass(this.css);
-    });
-
-    it('accepts a String-based number', function() {
-      this.subject('13');
-
-      expect($('#LC13')).toHaveClass(this.css);
-    });
-  });
-
-  describe('setHash', function() {
-    beforeEach(function() {
-      this.subject = this['class'].setHash;
-    });
-
-    it('sets the location hash for a single line', function() {
-      this.subject(5);
-
-      expect(this.spies.__setLocationHash__).toHaveBeenCalledWith('#L5');
-    });
-
-    it('sets the location hash for a range', function() {
-      this.subject(5, 15);
-
-      expect(this.spies.__setLocationHash__).toHaveBeenCalledWith('#L5-15');
-    });
-  });
-});