diff --git a/src/components/Tree/TreeTitle.tsx b/src/components/Tree/TreeTitle.tsx
index 4ca4ac26cc..15a19828da 100644
--- a/src/components/Tree/TreeTitle.tsx
+++ b/src/components/Tree/TreeTitle.tsx
@@ -3,7 +3,6 @@ import * as PropTypes from 'prop-types'
 import * as React from 'react'
 
 import { UIComponent, childrenExist, createShorthandFactory } from '../../lib'
-import { treeTitleBehavior } from '../../lib/accessibility'
 import { Accessibility } from '../../lib/accessibility/types'
 import {
   commonUIComponentPropTypes,
@@ -52,7 +51,6 @@ class TreeTitle extends UIComponent<TreeTitleProps> {
   public static defaultProps = {
     as: 'a',
     href: '#',
-    accessibility: treeTitleBehavior as Accessibility,
   }
 
   handleClick = e => {
diff --git a/src/lib/accessibility/Behaviors/Tree/treeTitleBehavior.ts b/src/lib/accessibility/Behaviors/Tree/treeTitleBehavior.ts
deleted file mode 100644
index cf16611820..0000000000
--- a/src/lib/accessibility/Behaviors/Tree/treeTitleBehavior.ts
+++ /dev/null
@@ -1,16 +0,0 @@
-import { Accessibility } from '../../types'
-
-/**
- * @specification
- * Adds attribute 'aria-expanded=true' based on whether the folowing subtree is expanded or not.
- */
-const treeTitleBehavior: Accessibility = (props: any) => ({
-  attributes: {
-    root: {
-      role: 'treeitem',
-      ...(props.hasSubtree && { 'aria-expanded': props.open ? 'true' : 'false' }),
-    },
-  },
-})
-
-export default treeTitleBehavior
diff --git a/src/lib/accessibility/index.ts b/src/lib/accessibility/index.ts
index 0562467be6..fc8c7f4904 100644
--- a/src/lib/accessibility/index.ts
+++ b/src/lib/accessibility/index.ts
@@ -24,5 +24,4 @@ export { default as popupFocusTrapBehavior } from './Behaviors/Popup/popupFocusT
 export { default as chatBehavior } from './Behaviors/Chat/chatBehavior'
 export { default as chatMessageBehavior } from './Behaviors/Chat/chatMessageBehavior'
 export { default as gridBehavior } from './Behaviors/Grid/gridBehavior'
-export { default as treeTitleBehavior } from './Behaviors/Tree/treeTitleBehavior'
 export { default as dialogBehavior } from './Behaviors/Dialog/dialogBehavior'