diff --git a/packages/grid/test/tree-toggle.test.js b/packages/grid/test/tree-toggle.test.js
deleted file mode 100644
index 1e8137ca428..00000000000
--- a/packages/grid/test/tree-toggle.test.js
+++ /dev/null
@@ -1,167 +0,0 @@
-import { expect } from '@esm-bundle/chai';
-import { click, fixtureSync } from '@vaadin/testing-helpers';
-import sinon from 'sinon';
-import '@vaadin/polymer-legacy-adapter/template-renderer.js';
-import '../vaadin-grid.js';
-import '../vaadin-grid-tree-toggle.js';
-import '../vaadin-grid-tree-column.js';
-import { flushGrid, getBodyCellContent } from './helpers.js';
-
-describe('tree toggle', () => {
-  let toggle;
-
-  describe('default', () => {
-    beforeEach(() => {
-      toggle = fixtureSync('<vaadin-grid-tree-toggle></vaadin-grid-tree-toggle>');
-    });
-
-    describe('properties', () => {
-      it('should have leaf false by default', () => {
-        expect(toggle.leaf).to.not.be.ok;
-      });
-
-      it('should have expanded false by default', () => {
-        expect(toggle.expanded).to.not.be.ok;
-      });
-
-      it('should not toggle on click if leaf', () => {
-        toggle.leaf = true;
-
-        const clickEvent = click(toggle);
-        expect(toggle.expanded).to.not.be.ok;
-        expect(clickEvent.defaultPrevented).to.be.false;
-      });
-
-      it('should toggle on click', () => {
-        let clickEvent = click(toggle);
-        expect(toggle.expanded).to.be.true;
-        expect(clickEvent.defaultPrevented).to.be.true;
-
-        clickEvent = click(toggle);
-        expect(toggle.expanded).to.be.false;
-        expect(clickEvent.defaultPrevented).to.be.true;
-      });
-
-      it('should notify for expanded on toggle', () => {
-        const spy = sinon.spy();
-        toggle.addEventListener('expanded-changed', spy);
-
-        click(toggle);
-
-        expect(spy.callCount).to.equal(1);
-
-        toggle.removeEventListener('expanded-changed', spy);
-      });
-    });
-
-    describe('level', () => {
-      it('should have level zero by default', () => {
-        expect(toggle.level).to.equal(0);
-      });
-
-      it('should have zero spacer width by default', () => {
-        const spacer = toggle.shadowRoot.querySelector('#level-spacer');
-        expect(spacer.getBoundingClientRect().width).to.equal(0);
-      });
-
-      it('should increase spacer width for each level step', () => {
-        const spacer = toggle.shadowRoot.querySelector('#level-spacer');
-        let prevWidth = 0;
-        for (let i = 1; i < 3; i++) {
-          toggle.level = i;
-          const width = spacer.getBoundingClientRect().width;
-          expect(width).to.be.gt(prevWidth);
-          prevWidth = width;
-        }
-      });
-    });
-
-    describe('DOM', () => {
-      it('should have default slot', () => {
-        const slot = toggle.shadowRoot.querySelector('slot:not([name])');
-        expect(slot).to.be.ok;
-      });
-
-      it('should have toggle shadow part', () => {
-        expect(toggle.shadowRoot.querySelector(`[part~="toggle"]`)).to.not.be.null;
-      });
-    });
-  });
-
-  describe('with content', () => {
-    beforeEach(() => {
-      toggle = fixtureSync(`
-        <vaadin-grid-tree-toggle>
-          <input><div>foo</div>
-        </vaadin-grid-tree-toggle>
-      `);
-    });
-
-    it('should not toggle on internal focusable click', () => {
-      const clickEvent = click(toggle.querySelector('input'));
-      expect(toggle.expanded).to.be.false;
-      expect(clickEvent.defaultPrevented).to.be.false;
-    });
-
-    it('should toggle on internal non-focusable element click', () => {
-      const clickEvent = click(toggle.querySelector('div'));
-      expect(toggle.expanded).to.be.true;
-      expect(clickEvent.defaultPrevented).to.be.true;
-    });
-  });
-
-  describe('tree column', () => {
-    let grid, column, toggle;
-
-    beforeEach(() => {
-      grid = fixtureSync(`
-        <vaadin-grid>
-          <vaadin-grid-tree-column></vaadin-grid-tree-column>
-        </vaadin-grid>
-      `);
-      column = grid.querySelector('vaadin-grid-tree-column');
-      grid.dataProvider = (params, cb) => {
-        cb([{ name: 'foo', hasChildren: true }], 1);
-      };
-      flushGrid(grid);
-      toggle = getBodyCellContent(grid, 0, 0).firstElementChild;
-    });
-
-    it('should be empty', () => {
-      expect(toggle.textContent.trim()).to.be.empty;
-    });
-
-    it('should not be empty', () => {
-      column.path = 'name';
-      expect(toggle.textContent.trim()).to.equal('foo');
-    });
-
-    it('should be a leaf', () => {
-      expect(toggle.leaf).to.be.true;
-    });
-
-    it('should have the default level', () => {
-      expect(toggle.level).to.equal(0);
-    });
-
-    it('should have a higher level', () => {
-      column.itemHasChildrenPath = 'hasChildren';
-      toggle.expanded = true;
-      const childToggle = getBodyCellContent(grid, 1, 0).firstElementChild;
-      expect(childToggle.level).to.equal(1);
-    });
-
-    it('should not be a leaf', () => {
-      column.itemHasChildrenPath = 'hasChildren';
-      expect(toggle.leaf).to.be.false;
-    });
-
-    it('should ignore a custom renderer', () => {
-      column.renderer = (root) => {
-        root.innerHTML = 'cell';
-      };
-
-      expect(getBodyCellContent(grid, 0, 0).firstElementChild).to.equal(toggle);
-    });
-  });
-});