diff --git a/mix/CodeModel.cpp b/mix/CodeModel.cpp
index 424732c2b..d0f70683d 100644
--- a/mix/CodeModel.cpp
+++ b/mix/CodeModel.cpp
@@ -198,7 +198,7 @@ CodeModel::~CodeModel()
 	disconnect(this);
 	releaseContracts();
 	if (m_gasCostsMaps)
-		m_gasCostsMaps->deleteLater();
+		delete m_gasCostsMaps;
 }
 
 void CodeModel::stop()