diff --git a/coral-component-datepicker/src/scripts/Datepicker.js b/coral-component-datepicker/src/scripts/Datepicker.js
index c704fcdd00..d7d4f48e0e 100644
--- a/coral-component-datepicker/src/scripts/Datepicker.js
+++ b/coral-component-datepicker/src/scripts/Datepicker.js
@@ -607,7 +607,6 @@ const Datepicker = Decorator(class extends BaseFormField(BaseComponent(HTMLEleme
       // Input attributes per ARIA Autocomplete
       this._elements.input.setAttribute('role', 'combobox');
       this._elements.input.setAttribute('aria-autocomplete', 'none');
-      this._elements.input.setAttribute('aria-haspopup', 'dialog');
       this._elements.input.setAttribute('aria-expanded', this._elements.overlay.open);
       this._elements.input.setAttribute('aria-controls', this._elements.overlay.id);
 
@@ -831,7 +830,6 @@ const Datepicker = Decorator(class extends BaseFormField(BaseComponent(HTMLEleme
     // Input attributes per ARIA Autocomplete
     this._elements.input.setAttribute('role', 'combobox');
     this._elements.input.setAttribute('aria-autocomplete', 'none');
-    this._elements.input.setAttribute('aria-haspopup', 'dialog');
     this._elements.input.setAttribute('aria-expanded', 'false');
     this._elements.input.setAttribute('aria-controls', this._elements.overlay.id);
 
diff --git a/coral-component-datepicker/src/tests/test.Datepicker.js b/coral-component-datepicker/src/tests/test.Datepicker.js
index a99ec4812e..f3dd9cfd0b 100644
--- a/coral-component-datepicker/src/tests/test.Datepicker.js
+++ b/coral-component-datepicker/src/tests/test.Datepicker.js
@@ -957,7 +957,6 @@ describe('Datepicker', function () {
 
           expect(el.getAttribute('role')).to.equal('group');
           expect(el._elements.input.getAttribute('role')).to.equal('combobox');
-          expect(el._elements.input.getAttribute('aria-haspopup')).to.equal('dialog');
           expect(el._elements.input.getAttribute('aria-expanded')).to.equal('false');
           expect(el._elements.toggle.getAttribute('aria-haspopup')).to.equal('dialog');
           expect(el._elements.toggle.getAttribute('aria-expanded')).to.equal('false');