diff --git a/common/ir.go b/common/ir.go
index 12903a0..d817675 100644
--- a/common/ir.go
+++ b/common/ir.go
@@ -7,13 +7,6 @@ import (
 	"github.com/nspcc-dev/neo-go/pkg/interop/native/neo"
 	"github.com/nspcc-dev/neo-go/pkg/interop/native/roles"
 	"github.com/nspcc-dev/neo-go/pkg/interop/runtime"
-	"github.com/nspcc-dev/neo-go/pkg/interop/storage"
-)
-
-const (
-	irListMethod    = "innerRingList"
-	multiaddrMethod = "multiaddress"
-	committeeMethod = "committee"
 )
 
 type IRNode struct {
@@ -32,49 +25,6 @@ func InnerRingInvoker(ir []IRNode) interop.PublicKey {
 	return nil
 }
 
-// InnerRingList returns list of inner ring nodes through calling
-// "innerRingList" method of smart contract.
-//
-// Address of smart contract is received from storage by key.
-func InnerRingListViaStorage(ctx storage.Context, key interface{}) []IRNode {
-	sc := storage.Get(ctx, key).(interop.Hash160)
-	return InnerRingList(sc)
-}
-
-// InnerRingList gets list of inner ring through
-// calling "innerRingList" method of smart contract.
-func InnerRingList(sc interop.Hash160) []IRNode {
-	return contract.Call(sc, irListMethod, contract.ReadOnly).([]IRNode)
-}
-
-// InnerRingMultiAddressViaStorage returns multiaddress of inner ring public
-// keys by invoking netmap contract, which scripthash stored in the contract
-// storage by the key `key`.
-func InnerRingMultiAddressViaStorage(ctx storage.Context, key interface{}) []byte {
-	sc := storage.Get(ctx, key).(interop.Hash160)
-	return InnerRingMultiAddress(sc)
-}
-
-// InnerRingMultiAddress returns multiaddress of inner ring public keys by
-// invoking netmap contract.
-func InnerRingMultiAddress(sc interop.Hash160) []byte {
-	return contract.Call(sc, multiaddrMethod, contract.ReadOnly).([]byte)
-}
-
-// CommitteeMultiAddressViaStorage returns multiaddress of committee public
-// keys by invoking netmap contract, which scripthash stored in the contract
-// storage by the key `key`.
-func CommitteeMultiAddressViaStorage(ctx storage.Context, key interface{}) []byte {
-	sc := storage.Get(ctx, key).(interop.Hash160)
-	return CommitteeMultiAddress(sc)
-}
-
-// CommitteeMultiAddress returns multiaddress of committee public keys by
-// invoking netmap contract.
-func CommitteeMultiAddress(sc interop.Hash160) []byte {
-	return contract.Call(sc, committeeMethod, contract.ReadOnly).([]byte)
-}
-
 // InnerRingNodes return list of inner ring nodes from state validator role
 // in side chain.
 func InnerRingNodes() []IRNode {