diff --git a/src/core/components/sites-list/sites-list.ts b/src/core/components/sites-list/sites-list.ts
index 812cade37..0edb15b4f 100644
--- a/src/core/components/sites-list/sites-list.ts
+++ b/src/core/components/sites-list/sites-list.ts
@@ -47,8 +47,8 @@ export class CoreSitesListComponent<T extends CoreSiteBasicInfo> {
     @Input() currentSiteClickable?: boolean; // If set, specify a different clickable value for current site.
     @Output() onSiteClicked = new EventEmitter<T>();
 
-    @ContentChild('siteItem') siteItemTemplate?: TemplateRef<unknown>;
-    @ContentChild('siteLabel') siteLabelTemplate?: TemplateRef<unknown>;
+    @ContentChild('siteItem') siteItemTemplate?: TemplateRef<{site: T; isCurrentSite: boolean}>;
+    @ContentChild('siteLabel') siteLabelTemplate?: TemplateRef<{site: T; isCurrentSite: boolean}>;
 
     /**
      * Check whether a site is clickable.
diff --git a/src/core/components/swipe-slides/swipe-slides.ts b/src/core/components/swipe-slides/swipe-slides.ts
index 82c856af3..fa3864c38 100644
--- a/src/core/components/swipe-slides/swipe-slides.ts
+++ b/src/core/components/swipe-slides/swipe-slides.ts
@@ -67,7 +67,7 @@ export class CoreSwipeSlidesComponent<Item = unknown> implements OnChanges, OnDe
         }, 0);
     }
 
-    @ContentChild(TemplateRef) template?: TemplateRef<unknown>; // Template defined by the content.
+    @ContentChild(TemplateRef) template?: TemplateRef<{item: Item; active: boolean}>; // Template defined by the content.
 
     protected hostElement: HTMLElement;
     protected unsubscribe?: () => void;
diff --git a/src/core/components/tabs/tab.ts b/src/core/components/tabs/tab.ts
index d5c0be34e..dd276f647 100644
--- a/src/core/components/tabs/tab.ts
+++ b/src/core/components/tabs/tab.ts
@@ -68,7 +68,7 @@ export class CoreTabComponent implements OnInit, OnDestroy, CoreTabBase {
     @Input() id = ''; // An ID to identify the tab.
     @Output() ionSelect: EventEmitter<CoreTabComponent> = new EventEmitter<CoreTabComponent>();
 
-    @ContentChild(TemplateRef) template?: TemplateRef<unknown>; // Template defined by the content.
+    @ContentChild(TemplateRef) template?: TemplateRef<void>; // Template defined by the content.
 
     element: HTMLElement; // The core-tab element.
     loaded = false;