diff --git a/Types.cpp b/Types.cpp
index ea2da0b6f..6a1b120c9 100644
--- a/Types.cpp
+++ b/Types.cpp
@@ -546,7 +546,8 @@ u256 StructType::getStorageOffsetOfMember(string const& _name) const
 	BOOST_THROW_EXCEPTION(InternalCompilerError() << errinfo_comment("Storage offset of non-existing member requested."));
 }
 
-FunctionType::FunctionType(FunctionDefinition const& _function, bool _isInternal)
+FunctionType::FunctionType(FunctionDefinition const& _function, bool _isInternal):
+	m_location(_isInternal ? Location::INTERNAL : Location::EXTERNAL)
 {
 	TypePointers params;
 	TypePointers retParams;
@@ -558,22 +559,6 @@ FunctionType::FunctionType(FunctionDefinition const& _function, bool _isInternal
 		retParams.push_back(var->getType());
 	swap(params, m_parameterTypes);
 	swap(retParams, m_returnParameterTypes);
-	m_location = _isInternal ? Location::INTERNAL : Location::EXTERNAL;
-}
-
-FunctionType::FunctionType(TypePointers const& _parameterTypes, TypePointers const& _returnParameterTypes,
-						   FunctionType::Location _location, bool _gasSet, bool _valueSet):
-	m_parameterTypes(_parameterTypes), m_returnParameterTypes(_returnParameterTypes),
-	m_location(_location), m_gasSet(_gasSet), m_valueSet(_valueSet)
-{
-	if (m_location == Location::EXTERNAL)
-		m_sizeOnStack = 2;
-	else if (m_location == Location::INTERNAL || m_location == Location::BARE)
-		m_sizeOnStack = 1;
-	if (m_gasSet)
-		m_sizeOnStack++;
-	if (m_valueSet)
-		m_sizeOnStack++;
 }
 
 bool FunctionType::operator==(Type const& _other) const
@@ -680,7 +665,6 @@ TypePointer FunctionType::copyAndSetGasOrValue(bool _setGas, bool _setValue) con
 									 m_gasSet || _setGas, m_valueSet || _setValue);
 }
 
-
 bool MappingType::operator==(Type const& _other) const
 {
 	if (_other.getCategory() != getCategory())
diff --git a/Types.h b/Types.h
index c0ffe864e..158d58eb9 100644
--- a/Types.h
+++ b/Types.h
@@ -365,7 +365,9 @@ public:
 					 _location) {}
 	FunctionType(TypePointers const& _parameterTypes, TypePointers const& _returnParameterTypes,
 				 Location _location = Location::INTERNAL,
-				 bool _gasSet = false, bool _valueSet = false);
+				 bool _gasSet = false, bool _valueSet = false):
+		m_parameterTypes(_parameterTypes), m_returnParameterTypes(_returnParameterTypes),
+		m_location(_location), m_gasSet(_gasSet), m_valueSet(_valueSet) {}
 
 	TypePointers const& getParameterTypes() const { return m_parameterTypes; }
 	TypePointers const& getReturnParameterTypes() const { return m_returnParameterTypes; }
@@ -393,10 +395,9 @@ private:
 
 	TypePointers m_parameterTypes;
 	TypePointers m_returnParameterTypes;
-	Location m_location;
-	unsigned m_sizeOnStack = 0;
-	bool m_gasSet = false; ///< true iff the gas value to be used is on the stack
-	bool m_valueSet = false; ///< true iff the value to be sent is on the stack
+	Location const m_location;
+	bool const m_gasSet = false; ///< true iff the gas value to be used is on the stack
+	bool const m_valueSet = false; ///< true iff the value to be sent is on the stack
 	mutable std::unique_ptr<MemberList> m_members;
 };