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()
 }
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