diff --git a/src/addons/storagemanager/pages/course-storage/course-storage.html b/src/addons/storagemanager/pages/course-storage/course-storage.html
index d8f72ede1..dd39926aa 100644
--- a/src/addons/storagemanager/pages/course-storage/course-storage.html
+++ b/src/addons/storagemanager/pages/course-storage/course-storage.html
@@ -33,7 +33,7 @@
                 </ion-item>
                 <ion-button *ngIf="downloadCourseEnabled" (click)="prefetchCourse($event)" expand="block" fill="outline"
                     class="ion-no-margin" [disabled]="prefetchCourseData.loading">
-                    <ion-icon *ngIf="!prefetchCourseData.loading" [name]="prefetchCourseData.icon" slot="start" />
+                    <ion-icon *ngIf="!prefetchCourseData.loading" [name]="prefetchCourseData.icon" slot="start" aria-hidden="true" />
                     <ion-spinner *ngIf="prefetchCourseData.loading" slot="start" />
                     {{ prefetchCourseData.statusTranslatable | translate }}
                 </ion-button>
@@ -53,7 +53,7 @@
                         [attr.aria-label]="(section.expanded ? 'core.collapse' : 'core.expand') | translate"
                         [attr.aria-expanded]="section.expanded" [attr.aria-controls]="'core-course-storage-section-' + section.id">
                         <ion-icon name="fas-chevron-right" flip-rtl slot="start" class="expandable-status-icon"
-                            [class.expandable-status-icon-expanded]="section.expanded" />
+                            [class.expandable-status-icon-expanded]="section.expanded" aria-hidden="true" />
                         <ion-label>
                             <p class="item-heading ion-text-wrap">
                                 <core-format-text [text]="section.name" contextLevel="course" [contextInstanceId]="section.course"