diff --git a/src/core/components/combobox/core-combobox.html b/src/core/components/combobox/core-combobox.html
index 502d108ba..aad62d2af 100644
--- a/src/core/components/combobox/core-combobox.html
+++ b/src/core/components/combobox/core-combobox.html
@@ -12,7 +12,6 @@
 
 <ion-button
     *ngIf="interface == 'modal'"
-    id="addon-mod-forum-sort-order-button"
     aria-haspopup="listbox"
     aria-controls="addon-mod-forum-sort-order-selector"
     [attr.aria-owns]="listboxId"