diff --git a/src/addons/mod/data/components/action/action.ts b/src/addons/mod/data/components/action/action.ts
index e7881a3b5..3d631249e 100644
--- a/src/addons/mod/data/components/action/action.ts
+++ b/src/addons/mod/data/components/action/action.ts
@@ -203,7 +203,6 @@ export class AddonModDataActionComponent implements OnInit {
         await CoreDomUtils.openPopover({
             component: AddonModDataActionsMenuComponent,
             componentProps: { items },
-            showBackdrop: true,
             id: 'actionsmenu-popover',
             event,
         });
diff --git a/src/core/components/combobox/combobox.scss b/src/core/components/combobox/combobox.scss
index bb19aa559..3afd8c316 100644
--- a/src/core/components/combobox/combobox.scss
+++ b/src/core/components/combobox/combobox.scss
@@ -22,6 +22,7 @@
         --border-color: var(--core-combobox-border-color);
         --border-style: solid;
         --border-width: var(--core-combobox-border-width);
+        --border-radius: var(--radius-xs);
 
         --box-shadow: var(--core-combobox-box-shadow);
 
diff --git a/src/core/components/context-menu/context-menu.ts b/src/core/components/context-menu/context-menu.ts
index 33710b712..6102bc4b6 100644
--- a/src/core/components/context-menu/context-menu.ts
+++ b/src/core/components/context-menu/context-menu.ts
@@ -185,7 +185,6 @@ export class CoreContextMenuComponent implements OnInit, OnDestroy {
                     title: this.title,
                     items: this.items,
                 },
-                showBackdrop: true,
                 id: this.uniqueId,
             });
 
diff --git a/src/core/features/course/components/module-completion/module-completion.ts b/src/core/features/course/components/module-completion/module-completion.ts
index c0c3d3dcb..8f3b2eb29 100644
--- a/src/core/features/course/components/module-completion/module-completion.ts
+++ b/src/core/features/course/components/module-completion/module-completion.ts
@@ -139,7 +139,6 @@ export class CoreCourseModuleCompletionComponent
                 componentProps: {
                     completion: this.completion,
                 },
-                showBackdrop: true,
                 event: { target } as Event,
             });
         } else {
diff --git a/src/core/services/utils/dom.ts b/src/core/services/utils/dom.ts
index 7eb2a73f8..9bde8deb5 100644
--- a/src/core/services/utils/dom.ts
+++ b/src/core/services/utils/dom.ts
@@ -2191,7 +2191,7 @@ export const CoreDomUtils = makeSingleton(CoreDomUtilsProvider);
 /**
  * Options for the openPopover function.
  */
-export type OpenPopoverOptions = PopoverOptions & {
+export type OpenPopoverOptions = Omit<PopoverOptions, 'showBackdrop'> & {
     waitForDismissCompleted?: boolean;
 };
 
diff --git a/src/theme/theme.base.scss b/src/theme/theme.base.scss
index 00b59da8f..346655474 100644
--- a/src/theme/theme.base.scss
+++ b/src/theme/theme.base.scss
@@ -1899,6 +1899,10 @@ ion-popover {
         margin-top: 2px;
         margin-bottom: 2px;
     }
+    // Never show backdrop on popovers
+    ion-backdrop {
+        background: transparent;
+    }
 }
 
 /*