diff --git a/app/src/main/java/jackall/devrealm/db/BaseRealmHelper.kt b/app/src/main/java/jackall/devrealm/db/BaseRealmHelper.kt
index 324330b..6ad1878 100644
--- a/app/src/main/java/jackall/devrealm/db/BaseRealmHelper.kt
+++ b/app/src/main/java/jackall/devrealm/db/BaseRealmHelper.kt
@@ -10,6 +10,7 @@
 abstract class BaseRealmHelper<T : RealmModel> {
     val realm by lazy { Realm.getDefaultInstance() }
     abstract fun insert(realmObject: T)
+    abstract fun delete(realmObject: T)
     abstract fun findAll(): RealmResults<T>
     fun close() = realm.close()
 }
\ No newline at end of file
diff --git a/app/src/main/java/jackall/devrealm/db/PersonRealmHelper.kt b/app/src/main/java/jackall/devrealm/db/PersonRealmHelper.kt
index 957256c..01a5beb 100644
--- a/app/src/main/java/jackall/devrealm/db/PersonRealmHelper.kt
+++ b/app/src/main/java/jackall/devrealm/db/PersonRealmHelper.kt
@@ -14,7 +14,17 @@
         }
     }
 
+    override fun delete(realmObject: Person) {
+        realm.executeTransaction {
+            realmObject.deleteFromRealm()
+        }
+    }
+
     override fun findAll(): RealmResults<Person> {
         return query.findAll()
     }
+
+    fun findLast(): Person {
+        return query.findAll().last()
+    }
 }
\ No newline at end of file