diff --git a/lib/content-services/src/lib/content-node-share/content-node-share.dialog.html b/lib/content-services/src/lib/content-node-share/content-node-share.dialog.html
index 3d414aad9e..5e06f6e643 100644
--- a/lib/content-services/src/lib/content-node-share/content-node-share.dialog.html
+++ b/lib/content-services/src/lib/content-node-share/content-node-share.dialog.html
@@ -11,7 +11,7 @@
             <mat-icon mat-dialog-close class="adf-share-link__close adf-share-link__icon" adf-icon="close" />
         </div>
         <mat-dialog-content class="adf-share-link--dialog-content">
-            <hr class="adf-share-link__separation-line" />
+            <hr class="adf-share-link__separation-line" aria-hidden="true" />
             <form [formGroup]="form" class="adf-share-link__form">
                 <div class="adf-share-link--row adf-share-link--row-sharable">
                     <mat-icon class="adf-share-link__icon" adf-icon="timer" />
@@ -106,7 +106,7 @@
                     </p>
                 </div>
             </form>
-            <hr class="adf-share-link__separation-line" />
+            <hr class="adf-share-link__separation-line" aria-hidden="true" />
         </mat-dialog-content>
         <div class="adf-share-link__actions" mat-dialog-actions>
             <button data-automation-id="adf-share-dialog-close" mat-button color="primary" mat-dialog-close>
diff --git a/lib/content-services/src/lib/search/components/search-filter-chips/search-filter-menu-card/search-filter-menu-card.component.html b/lib/content-services/src/lib/search/components/search-filter-chips/search-filter-menu-card/search-filter-menu-card.component.html
index c2f3f8ab13..8167e8b14e 100644
--- a/lib/content-services/src/lib/search/components/search-filter-chips/search-filter-menu-card/search-filter-menu-card.component.html
+++ b/lib/content-services/src/lib/search/components/search-filter-chips/search-filter-menu-card/search-filter-menu-card.component.html
@@ -10,13 +10,13 @@
         </button>
     </div>
 
-    <mat-divider />
+    <mat-divider aria-hidden="true" />
 
     <div class="adf-search-filter-content">
         <ng-content select="filter-content" />
     </div>
 
-    <mat-divider />
+    <mat-divider aria-hidden="true" />
 
     <div class="adf-search-filter-actions">
         <ng-content select="filter-actions" />
diff --git a/lib/core/src/lib/datatable/components/columns-selector/columns-selector.component.html b/lib/core/src/lib/datatable/components/columns-selector/columns-selector.component.html
index caba41ae5a..5a2befb854 100644
--- a/lib/core/src/lib/datatable/components/columns-selector/columns-selector.component.html
+++ b/lib/core/src/lib/datatable/components/columns-selector/columns-selector.component.html
@@ -20,7 +20,7 @@
         </button>
     </div>
 
-    <mat-divider class="adf-columns-selector-divider" />
+    <mat-divider class="adf-columns-selector-divider" aria-hidden="true" />
 
     <div class="adf-columns-selector-search-input-container">
         <mat-icon class="adf-columns-selector-search-input-icon" adf-icon="search" />
@@ -63,7 +63,7 @@
         </div>
     </mat-selection-list>
 
-    <mat-divider class="adf-columns-selector-divider" />
+    <mat-divider class="adf-columns-selector-divider" aria-hidden="true" />
 
     <div class="adf-columns-selector-footer">
         <button
diff --git a/lib/core/src/lib/notifications/components/notification-history.component.html b/lib/core/src/lib/notifications/components/notification-history.component.html
index 2c53a2402e..05c10a953f 100644
--- a/lib/core/src/lib/notifications/components/notification-history.component.html
+++ b/lib/core/src/lib/notifications/components/notification-history.component.html
@@ -30,7 +30,7 @@
         </button>
     </div>
 
-    <mat-divider/>
+    <mat-divider aria-hidden="true" />
 
     <div class="adf-notification-history-item-list">
         <ng-container *ngIf="notifications.length; else empty_list_template">
@@ -63,7 +63,7 @@
         </ng-template>
     </div>
 
-    <mat-divider/>
+    <mat-divider aria-hidden="true" />
 
     <div
         class="adf-notification-history-load-more"