diff --git a/go/enclave/txpool/txpool_mock_test.go b/go/enclave/txpool/txpool_mock_test.go
index 92f1f980aa..b46fb7c9b6 100644
--- a/go/enclave/txpool/txpool_mock_test.go
+++ b/go/enclave/txpool/txpool_mock_test.go
@@ -342,6 +342,5 @@ func (m *mockStorage) TrieDB() *trie.Database {
 }
 
 func (m *mockStorage) StateDB() state.Database {
-	// TODO implement me
-	panic("implement me")
+	return m.stateDB
 }