--- a/pallets/evm-contract-helpers/src/eth.rs
+++ b/pallets/evm-contract-helpers/src/eth.rs
@@ -24,7 +24,8 @@
 use sp_core::H160;
 use up_data_structs::SponsorshipState;
 use crate::{
-	AllowlistEnabled, Config, Owner, Pallet, SponsorBasket, SponsoringRateLimit, SponsoringModeT, Sponsoring,
+	AllowlistEnabled, Config, Owner, Pallet, SponsorBasket, SponsoringRateLimit, SponsoringModeT,
+	Sponsoring,
 };
 use frame_support::traits::Get;
 use up_sponsorship::SponsorshipHandler;
@@ -47,7 +48,7 @@
 	T::AccountId: AsRef<[u8]>,
 {
 	/// Get contract ovner
-	/// 
+	///
 	/// @param Contract_address contract for which the owner is being determined.
 	/// @return Contract owner.
 	fn contract_owner(&self, contract_address: address) -> Result<address> {
@@ -55,7 +56,7 @@
 	}
 
 	/// Set sponsor.
-	/// 
+	///
 	/// @param contract_address Contract for which a sponsor is being established.
 	/// @param sponsor User address who set as pending sponsor.
 	fn set_sponsor(
@@ -73,10 +74,28 @@
 		Ok(())
 	}
 
+	/// Set contract as self sponsored.
+	///
+	/// @param contract_address Contract for which a self sponsoring is being enabled.
+	fn self_sponsored_enable(&mut self, caller: caller, contract_address: address) -> Result<void> {
+		Pallet::<T>::self_sponsored_enable(&T::CrossAccountId::from_eth(caller), contract_address)
+			.map_err(dispatch_to_evm::<T>)?;
+		Ok(())
+	}
+
+	/// Remove sponsor.
+	///
+	/// @param contract_address Contract for which a sponsorship is being removed.
+	fn remove_sponsor(&mut self, caller: caller, contract_address: address) -> Result<void> {
+		Pallet::<T>::remove_sponsor(&T::CrossAccountId::from_eth(caller), contract_address)
+			.map_err(dispatch_to_evm::<T>)?;
+		Ok(())
+	}
+
 	/// Confirm sponsorship.
-	/// 
+	///
 	/// @dev Caller must be same that set via [`set_sponsor`].
-	/// 
+	///
 	/// @param contract_address Сontract for which need to confirm sponsorship.
 	fn confirm_sponsorship(&mut self, caller: caller, contract_address: address) -> Result<void> {
 		Pallet::<T>::confirm_sponsorship(&T::CrossAccountId::from_eth(caller), contract_address)
@@ -85,7 +104,7 @@
 	}
 
 	/// Get current sponsor.
-	/// 
+	///
 	/// @param contract_address The contract for which a sponsor is requested.
 	/// @return Tuble with sponsor address and his substrate mirror. If there is no confirmed sponsor error "Contract has no sponsor" throw.
 	fn get_sponsor(&self, contract_address: address) -> Result<(address, uint256)> {
@@ -96,7 +115,7 @@
 	}
 
 	/// Check tat contract has confirmed sponsor.
-	/// 
+	///
 	/// @param contract_address The contract for which the presence of a confirmed sponsor is checked.
 	/// @return **true** if contract has confirmed sponsor.
 	fn has_sponsor(&self, contract_address: address) -> Result<bool> {
@@ -104,7 +123,7 @@
 	}
 
 	/// Check tat contract has pending sponsor.
-	/// 
+	///
 	/// @param contract_address The contract for which the presence of a pending sponsor is checked.
 	/// @return **true** if contract has pending sponsor.
 	fn has_pending_sponsor(&self, contract_address: address) -> Result<bool> {
--- a/pallets/evm-contract-helpers/src/lib.rs
+++ b/pallets/evm-contract-helpers/src/lib.rs
@@ -49,10 +49,7 @@
 		NoPendingSponsor,
 	}
 
-	const STORAGE_VERSION: StorageVersion = StorageVersion::new(1);
-
 	#[pallet::pallet]
-	#[pallet::storage_version(STORAGE_VERSION)]
 	#[pallet::generate_store(pub(super) trait Store)]
 	pub struct Pallet<T>(_);
 
@@ -102,7 +99,7 @@
 	>;
 
 	/// Storage for last sponsored block.
-	/// 
+	///
 	/// * **Key1** - contract address.
 	/// * **Key2** - sponsored user address.
 	/// * **Value** - last sponsored block number.
@@ -144,25 +141,15 @@
 		Value = bool,
 		QueryKind = ValueQuery,
 	>;
-
-	#[pallet::hooks]
-	impl<T: Config> Hooks<BlockNumberFor<T>> for Pallet<T> {
-		fn on_runtime_upgrade() -> Weight {
-			let storage_version = StorageVersion::get::<Pallet<T>>();
-			if storage_version < StorageVersion::new(1) {}
 
-			0
-		}
-	}
-
 	impl<T: Config> Pallet<T> {
 		/// Get contract owner.
 		pub fn contract_owner(contract: H160) -> H160 {
 			<Owner<T>>::get(contract)
 		}
-		
-		/// Set `sponsor` for `contract`. 
-		/// 
+
+		/// Set `sponsor` for `contract`.
+		///
 		/// `sender` must be owner of contract.
 		pub fn set_sponsor(
 			sender: &T::CrossAccountId,
@@ -177,8 +164,31 @@
 			Ok(())
 		}
 
+		/// Set `contract` as self sponsored.
+		///
+		/// `sender` must be owner of contract.
+		pub fn self_sponsored_enable(sender: &T::CrossAccountId, contract: H160) -> DispatchResult {
+			Pallet::<T>::ensure_owner(contract, *sender.as_eth())?;
+			Sponsoring::<T>::insert(
+				contract,
+				SponsorshipState::<T::CrossAccountId>::Confirmed(T::CrossAccountId::from_eth(
+					contract,
+				)),
+			);
+			Ok(())
+		}
+
+		/// Remove sponsor for `contract`.
+		///
+		/// `sender` must be owner of contract.
+		pub fn remove_sponsor(sender: &T::CrossAccountId, contract: H160) -> DispatchResult {
+			Pallet::<T>::ensure_owner(contract, *sender.as_eth())?;
+			Sponsoring::<T>::remove(contract);
+			Ok(())
+		}
+
 		/// Confirm sponsorship.
-		/// 
+		///
 		/// `sender` must be same that set via [`set_sponsor`].
 		pub fn confirm_sponsorship(sender: &T::CrossAccountId, contract: H160) -> DispatchResult {
 			match Sponsoring::<T>::get(contract) {