diff --git a/libevmasm/ConstantOptimiser.cpp b/libevmasm/ConstantOptimiser.cpp
index b56415a95..76e96aa5f 100644
--- a/libevmasm/ConstantOptimiser.cpp
+++ b/libevmasm/ConstantOptimiser.cpp
@@ -129,7 +129,7 @@ bigint LiteralMethod::gasNeeded() const
 	return combineGas(
 		simpleRunGas({Instruction::PUSH1}),
 		// PUSHX plus data
-		(m_params.isCreation ? GasCosts::txDataNonZeroGas : GasCosts::createDataGas) + dataGas(),
+		(m_params.isCreation ? GasCosts::txDataNonZeroGas : GasCosts::createDataGas) + dataGas(toCompactBigEndian(m_value, 1)),
 		0
 	);
 }
diff --git a/libevmasm/ConstantOptimiser.h b/libevmasm/ConstantOptimiser.h
index 9108e0397..ff14a916e 100644
--- a/libevmasm/ConstantOptimiser.h
+++ b/libevmasm/ConstantOptimiser.h
@@ -79,8 +79,6 @@ protected:
 	static bigint simpleRunGas(AssemblyItems const& _items);
 	/// @returns the gas needed to store the given data literally
 	bigint dataGas(bytes const& _data) const;
-	/// @returns the gas needed to store the value literally
-	bigint dataGas() const { return dataGas(toCompactBigEndian(m_value, 1)); }
 	static size_t bytesRequired(AssemblyItems const& _items);
 	/// @returns the combined estimated gas usage taking @a m_params into account.
 	bigint combineGas(