diff --git a/frostfsid/frostfsid_contract.go b/frostfsid/frostfsid_contract.go
index 250deeb..80991fb 100644
--- a/frostfsid/frostfsid_contract.go
+++ b/frostfsid/frostfsid_contract.go
@@ -401,6 +401,7 @@ func DeleteSubject(addr interop.Hash160) {
 		storage.Delete(ctx, subjectAdditionalKey(subj.AdditionalKeys[i], addr))
 		storage.Delete(ctx, addressKey(contract.CreateStandardAccount(subj.AdditionalKeys[i])))
 	}
+	storage.Delete(ctx, addressKey(addr))
 	storage.Delete(ctx, sKey)
 
 	removeSubjectFromNamespace(ctx, subj.Namespace, addr)
diff --git a/tests/frostfsid_test.go b/tests/frostfsid_test.go
index 2f0865a..72be569 100644
--- a/tests/frostfsid_test.go
+++ b/tests/frostfsid_test.go
@@ -629,6 +629,9 @@ func TestAdditionalKeyFromPrimarySubject(t *testing.T) {
 	subjDPrimaryKey, err := keys.NewPrivateKey()
 	require.NoError(t, err)
 
+	subjFPrimaryKey, err := keys.NewPrivateKey()
+	require.NoError(t, err)
+
 	invoker.Invoke(t, stackitem.Null{}, createSubjectMethod, defaultNamespace, subjAPrimaryKey.PublicKey().Bytes())
 
 	invoker.Invoke(t, stackitem.Null{}, createSubjectMethod, defaultNamespace, subjBPrimaryKey.PublicKey().Bytes())
@@ -647,6 +650,10 @@ func TestAdditionalKeyFromPrimarySubject(t *testing.T) {
 	invoker.InvokeFail(t, "key is occupied", addSubjectKeyMethod, subjAKeyAddr, subjDPrimaryKey.PublicKey().Bytes())
 	invoker.Invoke(t, stackitem.Null{}, deleteSubjectMethod, subjBKeyAddr)
 	invoker.Invoke(t, stackitem.Null{}, addSubjectKeyMethod, subjAKeyAddr, subjDPrimaryKey.PublicKey().Bytes())
+
+	invoker.Invoke(t, stackitem.Null{}, createSubjectMethod, defaultNamespace, subjFPrimaryKey.PublicKey().Bytes())
+	invoker.Invoke(t, stackitem.Null{}, deleteSubjectMethod, subjFPrimaryKey.PublicKey().GetScriptHash())
+	invoker.Invoke(t, stackitem.Null{}, createSubjectMethod, defaultNamespace, subjFPrimaryKey.PublicKey().Bytes())
 }
 
 func checkPublicKeyResult(t *testing.T, s *vm.Stack, err error, key *keys.PrivateKey) {