diff --git a/AST.cpp b/AST.cpp
index ca76d023c..38adebf9d 100644
--- a/AST.cpp
+++ b/AST.cpp
@@ -519,17 +519,6 @@ void Literal::checkTypeRequirements()
 		BOOST_THROW_EXCEPTION(createTypeError("Invalid literal value."));
 }
 
-
-bool ParamDescription::operator!=(ParamDescription const& _other) const
-{
-	return m_description.first == _other.getName() && m_description.second == _other.getType();
-}
-
-std::ostream& ParamDescription::operator<<(std::ostream& os) const
-{
-	return os << m_description.first << ":" << m_description.second;
-}
-
 std::string ParamDescription::getName() const
 {
 	return m_description.first;
@@ -540,7 +529,6 @@ std::string ParamDescription::getType() const
 	return m_description.second;
 }
 
-
 ASTPointer<ASTString> FunctionDescription::getDocumentation() const
 {
 	auto function = dynamic_cast<FunctionDefinition const*>(m_description.second);
@@ -575,7 +563,7 @@ vector<ParamDescription> const FunctionDescription::getParameters() const
 	if (function)
 	{
 		vector<ParamDescription> paramsDescription;
-		for (auto const& param: function->getParameters())
+		for (auto const& param: function->getReturnParameters())
 			paramsDescription.push_back(ParamDescription(param->getName(), param->getType()->toString()));
 
 		return paramsDescription;
diff --git a/AST.h b/AST.h
index bda06a5db..d9a95e506 100755
--- a/AST.h
+++ b/AST.h
@@ -166,9 +166,6 @@ struct ParamDescription
 	ParamDescription(std::string const& _name, std::string const& _type):
 		m_description(_name, _type){}
 
-	bool operator!=(ParamDescription const& _other) const;
-	std::ostream& operator<<(std::ostream& os) const;
-
 	std::string getName() const;
 	std::string getType() const;
 
diff --git a/Types.cpp b/Types.cpp
index c5f1a3ae5..812271e30 100644
--- a/Types.cpp
+++ b/Types.cpp
@@ -606,7 +606,7 @@ FunctionType::FunctionType(FunctionDefinition const& _function, bool _isInternal
 }
 
 FunctionType::FunctionType(VariableDeclaration const& _varDecl):
-	m_location(Location::INTERNAL)
+	m_location(Location::EXTERNAL)
 {
 	TypePointers params;
 	vector<string> paramNames;
diff --git a/Types.h b/Types.h
index b26157b3e..2dbed95fa 100644
--- a/Types.h
+++ b/Types.h
@@ -378,7 +378,7 @@ public:
 	virtual MemberList const& getMembers() const override;
 
 	Location const& getLocation() const { return m_location; }
-	std::string getCanonicalSignature(std::string const &_name) const;
+	std::string getCanonicalSignature(std::string const& _name) const;
 
 	bool gasSet() const { return m_gasSet; }
 	bool valueSet() const { return m_valueSet; }