diff --git a/src/addons/storagemanager/pages/courses-storage/courses-storage.ts b/src/addons/storagemanager/pages/courses-storage/courses-storage.ts
index e118ab127..9e1a3f9b5 100644
--- a/src/addons/storagemanager/pages/courses-storage/courses-storage.ts
+++ b/src/addons/storagemanager/pages/courses-storage/courses-storage.ts
@@ -87,9 +87,7 @@ export class AddonStorageManagerCoursesStoragePage implements OnInit, OnDestroy
             }
         }
 
-        this.spaceUsage = await CoreSettingsHelper.getSiteSpaceUsage(this.siteId);
-
-        this.setDownloadedCourses(downloadedCourses);
+        await this.setDownloadedCourses(downloadedCourses);
 
         this.loaded = true;
     }
@@ -126,7 +124,7 @@ export class AddonStorageManagerCoursesStoragePage implements OnInit, OnDestroy
         try {
             await Promise.all(deletedCourseIds.map((courseId) => CoreCourseHelper.deleteCourseFiles(courseId)));
 
-            this.setDownloadedCourses(this.downloadedCourses.filter((course) => !deletedCourseIds.includes(course.id)));
+            await this.setDownloadedCourses(this.downloadedCourses.filter((course) => !deletedCourseIds.includes(course.id)));
         } catch (error) {
             CoreDomUtils.showErrorModalDefault(error, Translate.instant('core.errordeletefile'));
         } finally {
@@ -162,7 +160,7 @@ export class AddonStorageManagerCoursesStoragePage implements OnInit, OnDestroy
         try {
             await CoreCourseHelper.deleteCourseFiles(course.id);
 
-            this.setDownloadedCourses(CoreArray.withoutItem(this.downloadedCourses, course));
+            await this.setDownloadedCourses(CoreArray.withoutItem(this.downloadedCourses, course));
         } catch (error) {
             CoreDomUtils.showErrorModalDefault(error, Translate.instant('core.errordeletefile'));
         } finally {
@@ -177,7 +175,7 @@ export class AddonStorageManagerCoursesStoragePage implements OnInit, OnDestroy
      */
     private async onCourseUpdated(courseId: number, status: DownloadStatus): Promise<void> {
         if (courseId == CoreCourseProvider.ALL_COURSES_CLEARED) {
-            this.setDownloadedCourses([]);
+            await this.setDownloadedCourses([]);
 
             return;
         }
@@ -191,7 +189,7 @@ export class AddonStorageManagerCoursesStoragePage implements OnInit, OnDestroy
         course.isDownloading = status === DownloadStatus.DOWNLOADING;
         course.totalSize = await this.calculateDownloadedCourseSize(course.id);
 
-        this.setDownloadedCourses(this.downloadedCourses);
+        await this.setDownloadedCourses(this.downloadedCourses);
     }
 
     /**
@@ -199,7 +197,10 @@ export class AddonStorageManagerCoursesStoragePage implements OnInit, OnDestroy
      *
      * @param courses Courses info.
      */
-    private setDownloadedCourses(courses: DownloadedCourse[]): void {
+    private async setDownloadedCourses(courses: DownloadedCourse[]): Promise<void> {
+        // Downloaded courses changed, update site usage too.
+        this.spaceUsage = await CoreSettingsHelper.getSiteSpaceUsage(this.siteId);
+
         this.downloadedCourses = courses.sort((a, b) => b.totalSize - a.totalSize);
         this.completelyDownloadedCourses = courses.filter((course) => !course.isDownloading);
         this.totalSize = this.downloadedCourses.reduce((totalSize, course) => totalSize + course.totalSize, 0);
diff --git a/src/core/directives/format-text.ts b/src/core/directives/format-text.ts
index e4c7fae9f..a790499db 100644
--- a/src/core/directives/format-text.ts
+++ b/src/core/directives/format-text.ts
@@ -99,6 +99,7 @@ export class CoreFormatTextDirective implements OnChanges, OnDestroy, AsyncDirec
     protected emptyText = '';
     protected domPromises: CoreCancellablePromise<void>[] = [];
     protected domElementPromise?: CoreCancellablePromise<void>;
+    protected externalContentInstances: CoreExternalContentDirective[] = [];
 
     constructor(
         element: ElementRef,
@@ -145,6 +146,7 @@ export class CoreFormatTextDirective implements OnChanges, OnDestroy, AsyncDirec
         this.domElementPromise?.cancel();
         this.domPromises.forEach((promise) => { promise.cancel();});
         this.elementControllers.forEach(controller => controller.destroy());
+        this.externalContentInstances.forEach(extContent => extContent.ngOnDestroy());
     }
 
     /**
@@ -191,6 +193,8 @@ export class CoreFormatTextDirective implements OnChanges, OnDestroy, AsyncDirec
 
         extContent.ngAfterViewInit();
 
+        this.externalContentInstances.push(extContent);
+
         const changeDetectorRef = this.viewContainerRef.injector.get(ChangeDetectorRef);
         changeDetectorRef.markForCheck();
 
@@ -342,6 +346,10 @@ export class CoreFormatTextDirective implements OnChanges, OnDestroy, AsyncDirec
      * Format contents and render.
      */
     protected async formatAndRenderContents(): Promise<void> {
+        // Destroy previous instances of external-content.
+        this.externalContentInstances.forEach(extContent => extContent.ngOnDestroy());
+        this.externalContentInstances = [];
+
         if (!this.text) {
             this.element.innerHTML = this.emptyText; // Remove current contents.
 
diff --git a/src/core/features/course/services/course-helper.ts b/src/core/features/course/services/course-helper.ts
index dce4f5be3..814db49c1 100644
--- a/src/core/features/course/services/course-helper.ts
+++ b/src/core/features/course/services/course-helper.ts
@@ -1912,12 +1912,14 @@ export class CoreCourseHelperProvider {
      * @returns Promise to be resolved once the course files are deleted.
      */
     async deleteCourseFiles(courseId: number): Promise<void> {
+        const siteId = CoreSites.getCurrentSiteId();
         const sections = await CoreCourse.getSections(courseId);
         const modules = sections.map((section) => section.modules).flat();
 
-        await Promise.all(
-            modules.map((module) => this.removeModuleStoredData(module, courseId)),
-        );
+        await Promise.all([
+            ...modules.map((module) => this.removeModuleStoredData(module, courseId)),
+            siteId && CoreFilepool.removeFilesByComponent(siteId, CoreCourseProvider.COMPONENT, courseId),
+        ]);
 
         await CoreCourse.setCourseStatus(courseId, DownloadStatus.DOWNLOADABLE_NOT_DOWNLOADED);
     }