diff --git a/storage/filesystem.go b/storage/filesystem.go
index fc614e4..7aac265 100644
--- a/storage/filesystem.go
+++ b/storage/filesystem.go
@@ -627,3 +627,17 @@ func (b *filesystemBackend) PutCalendarObject(ctx context.Context, objPath strin
 
 	return objPath, nil
 }
+
+func (b *filesystemBackend) DeleteCalendarObject(ctx context.Context, path string) error {
+	debug.Printf("filesystem.DeleteCalendarObject(%s)", path)
+
+	localPath, err := b.localCalDAVPath(ctx, path)
+	if err != nil {
+		return err
+	}
+	err = os.Remove(localPath)
+	if err != nil {
+		return err
+	}
+	return nil
+}