diff --git a/AST.cpp b/AST.cpp
index 5aa672184..683452027 100644
--- a/AST.cpp
+++ b/AST.cpp
@@ -280,19 +280,6 @@ TypePointer EnumDefinition::getType(ContractDefinition const*) const
 	return make_shared<TypeType>(make_shared<EnumType>(*this));
 }
 
-
-unsigned int EnumDefinition::getMemberValue(ASTString const& _member) const
-{
-	unsigned int index = 0;
-	for (ASTPointer<EnumValue> const& decl: m_members)
-	{
-		if (decl->getName() == _member)
-			return index;
-		++index;
-	}
-	BOOST_THROW_EXCEPTION(createTypeError("Requested unknown enum value ." + _member));
-}
-
 TypePointer FunctionDefinition::getType(ContractDefinition const*) const
 {
 	return make_shared<FunctionType>(*this);
diff --git a/AST.h b/AST.h
index 25c18f4f7..4167537e5 100644
--- a/AST.h
+++ b/AST.h
@@ -333,9 +333,6 @@ public:
 
 	virtual TypePointer getType(ContractDefinition const*) const override;
 
-	/// @returns the value that the string has in the Enum
-	unsigned int getMemberValue(ASTString const& _member) const;
-
 	/// Checks that the members do not include any duplicate names
 	void checkValidityOfMembers() const;
 
diff --git a/ExpressionCompiler.cpp b/ExpressionCompiler.cpp
index 00c2dafd1..63324fe58 100644
--- a/ExpressionCompiler.cpp
+++ b/ExpressionCompiler.cpp
@@ -492,8 +492,7 @@ void ExpressionCompiler::endVisit(MemberAccess const& _memberAccess)
 	case Type::Category::Enum:
 	{
 		EnumType const& type = dynamic_cast<EnumType const&>(*_memberAccess.getExpression().getType());
-		EnumDefinition const& enumDef = type.getEnumDefinition();
-		m_context << enumDef.getMemberValue(_memberAccess.getMemberName());
+		m_context << type.getMemberValue(_memberAccess.getMemberName());
 		break;
 	}
 	case Type::Category::TypeType:
@@ -516,8 +515,7 @@ void ExpressionCompiler::endVisit(MemberAccess const& _memberAccess)
 		}
 		else if ((enumType = dynamic_cast<EnumType const*>(type.getActualType().get())))
 		{
-			EnumDefinition const &enumDef = enumType->getEnumDefinition();
-			m_context << enumDef.getMemberValue(_memberAccess.getMemberName());
+			m_context << enumType->getMemberValue(_memberAccess.getMemberName());
 			return;
 		}
 
diff --git a/Types.cpp b/Types.cpp
index 06c0af320..c4a808f89 100644
--- a/Types.cpp
+++ b/Types.cpp
@@ -687,6 +687,18 @@ bool EnumType::isExplicitlyConvertibleTo(Type const& _convertTo) const
 	return _convertTo.getCategory() == getCategory() || _convertTo.getCategory() == Category::Integer;
 }
 
+unsigned int EnumType::getMemberValue(ASTString const& _member) const
+{
+	unsigned int index = 0;
+	for (ASTPointer<EnumValue> const& decl: m_enum.getMembers())
+	{
+		if (decl->getName() == _member)
+			return index;
+		++index;
+	}
+	BOOST_THROW_EXCEPTION(m_enum.createTypeError("Requested unknown enum value ." + _member));
+}
+
 FunctionType::FunctionType(FunctionDefinition const& _function, bool _isInternal):
 	m_location(_isInternal ? Location::Internal : Location::External),
 	m_isConstant(_function.isDeclaredConst()),
diff --git a/Types.h b/Types.h
index d8b1b6b7a..3b4eee57f 100644
--- a/Types.h
+++ b/Types.h
@@ -384,6 +384,8 @@ public:
 	virtual bool isExplicitlyConvertibleTo(Type const& _convertTo) const override;
 
 	EnumDefinition const& getEnumDefinition() const { return m_enum; }
+	/// @returns the value that the string has in the Enum
+	unsigned int getMemberValue(ASTString const& _member) const;
 
 private:
 	EnumDefinition const& m_enum;