diff --git a/include/evmjit/JIT.h b/include/evmjit/JIT.h
index adca983d9..85c74ba18 100644
--- a/include/evmjit/JIT.h
+++ b/include/evmjit/JIT.h
@@ -129,7 +129,7 @@ public:
 
 	bytes_ref getReturnData() const;
 
-private:
+protected:
 	RuntimeData* m_data = nullptr;	///< Pointer to data. Expected by compiled contract.
 	Env* m_env = nullptr;			///< Pointer to environment proxy. Expected by compiled contract.
 	byte* m_memData = nullptr;
diff --git a/libevmjit/Array.cpp b/libevmjit/Array.cpp
index a76776c69..e77ceefe4 100644
--- a/libevmjit/Array.cpp
+++ b/libevmjit/Array.cpp
@@ -18,7 +18,6 @@ namespace jit
 {
 
 static const auto c_reallocStep = 1;
-static const auto c_reallocMultipier = 2;
 
 llvm::Value* LazyFunction::call(llvm::IRBuilder<>& _builder, std::initializer_list<llvm::Value*> const& _args, llvm::Twine const& _name)
 {
@@ -57,7 +56,6 @@ llvm::Function* Array::createArrayPushFunc()
 
 	m_builder.SetInsertPoint(reallocBB);
 	auto newCap = m_builder.CreateNUWAdd(cap, m_builder.getInt64(c_reallocStep), "newCap");
-	//newCap = m_builder.CreateNUWMul(newCap, m_builder.getInt64(c_reallocMultipier));
 	auto reallocSize = m_builder.CreateShl(newCap, 5, "reallocSize"); // size in bytes: newCap * 32
 	auto bytes = m_builder.CreateBitCast(data, Type::BytePtr, "bytes");
 	auto newBytes = m_reallocFunc.call(m_builder, {bytes, reallocSize}, "newBytes");
diff --git a/libevmjit/Ext.h b/libevmjit/Ext.h
index 760f77df5..2af074f4a 100644
--- a/libevmjit/Ext.h
+++ b/libevmjit/Ext.h
@@ -62,7 +62,6 @@ private:
 	Memory& m_memoryMan;
 
 	llvm::Value* m_size;
-	llvm::Value* m_data = nullptr;
 
 	std::array<llvm::Function*, sizeOf<EnvFunc>::value> m_funcs;
 	std::array<llvm::Value*, 8> m_argAllocas;