diff --git a/libsolidity/ast/AST.h b/libsolidity/ast/AST.h
index 53a34d32e..4592a1907 100644
--- a/libsolidity/ast/AST.h
+++ b/libsolidity/ast/AST.h
@@ -836,11 +836,10 @@ private:
  */
 class TypeName: public ASTNode
 {
-public:
+protected:
 	explicit TypeName(SourceLocation const& _location): ASTNode(_location) {}
-	virtual void accept(ASTVisitor& _visitor) override;
-	virtual void accept(ASTConstVisitor& _visitor) const override;
 
+public:
 	virtual TypeNameAnnotation& annotation() const override;
 };
 
diff --git a/libsolidity/ast/ASTJsonConverter.cpp b/libsolidity/ast/ASTJsonConverter.cpp
index 3f16db232..f76613578 100644
--- a/libsolidity/ast/ASTJsonConverter.cpp
+++ b/libsolidity/ast/ASTJsonConverter.cpp
@@ -378,12 +378,6 @@ bool ASTJsonConverter::visit(ModifierInvocation const& _node)
 	return false;
 }
 
-bool ASTJsonConverter::visit(TypeName const&)
-{
-	solAssert(false, "AST node of abstract type used.");
-	return false;
-}
-
 bool ASTJsonConverter::visit(EventDefinition const& _node)
 {
 	m_inEvent = true;
diff --git a/libsolidity/ast/ASTJsonConverter.h b/libsolidity/ast/ASTJsonConverter.h
index 186607cef..380ae2c05 100644
--- a/libsolidity/ast/ASTJsonConverter.h
+++ b/libsolidity/ast/ASTJsonConverter.h
@@ -73,7 +73,6 @@ public:
 	bool visit(ModifierDefinition const& _node) override;
 	bool visit(ModifierInvocation const& _node) override;
 	bool visit(EventDefinition const& _node) override;
-	bool visit(TypeName const& _node) override;
 	bool visit(ElementaryTypeName const& _node) override;
 	bool visit(UserDefinedTypeName const& _node) override;
 	bool visit(FunctionTypeName const& _node) override;
diff --git a/libsolidity/ast/ASTPrinter.cpp b/libsolidity/ast/ASTPrinter.cpp
index bcb5e3b9d..392179ef5 100644
--- a/libsolidity/ast/ASTPrinter.cpp
+++ b/libsolidity/ast/ASTPrinter.cpp
@@ -143,13 +143,6 @@ bool ASTPrinter::visit(EventDefinition const& _node)
 	return goDeeper();
 }
 
-bool ASTPrinter::visit(TypeName const& _node)
-{
-	writeLine("TypeName");
-	printSourcePart(_node);
-	return goDeeper();
-}
-
 bool ASTPrinter::visit(ElementaryTypeName const& _node)
 {
 	writeLine(string("ElementaryTypeName ") + _node.typeName().toString());
@@ -434,11 +427,6 @@ void ASTPrinter::endVisit(EventDefinition const&)
 	m_indentation--;
 }
 
-void ASTPrinter::endVisit(TypeName const&)
-{
-	m_indentation--;
-}
-
 void ASTPrinter::endVisit(ElementaryTypeName const&)
 {
 	m_indentation--;
diff --git a/libsolidity/ast/ASTPrinter.h b/libsolidity/ast/ASTPrinter.h
index 193f92966..d6897dfd5 100644
--- a/libsolidity/ast/ASTPrinter.h
+++ b/libsolidity/ast/ASTPrinter.h
@@ -60,7 +60,6 @@ public:
 	bool visit(ModifierDefinition const& _node) override;
 	bool visit(ModifierInvocation const& _node) override;
 	bool visit(EventDefinition const& _node) override;
-	bool visit(TypeName const& _node) override;
 	bool visit(ElementaryTypeName const& _node) override;
 	bool visit(UserDefinedTypeName const& _node) override;
 	bool visit(FunctionTypeName const& _node) override;
@@ -104,7 +103,6 @@ public:
 	void endVisit(ModifierDefinition const&) override;
 	void endVisit(ModifierInvocation const&) override;
 	void endVisit(EventDefinition const&) override;
-	void endVisit(TypeName const&) override;
 	void endVisit(ElementaryTypeName const&) override;
 	void endVisit(UserDefinedTypeName const&) override;
 	void endVisit(FunctionTypeName const&) override;
diff --git a/libsolidity/ast/ASTVisitor.h b/libsolidity/ast/ASTVisitor.h
index 20be634b5..b726d592d 100644
--- a/libsolidity/ast/ASTVisitor.h
+++ b/libsolidity/ast/ASTVisitor.h
@@ -58,7 +58,6 @@ public:
 	virtual bool visit(ModifierDefinition& _node) { return visitNode(_node); }
 	virtual bool visit(ModifierInvocation& _node) { return visitNode(_node); }
 	virtual bool visit(EventDefinition& _node) { return visitNode(_node); }
-	virtual bool visit(TypeName& _node) { return visitNode(_node); }
 	virtual bool visit(ElementaryTypeName& _node) { return visitNode(_node); }
 	virtual bool visit(UserDefinedTypeName& _node) { return visitNode(_node); }
 	virtual bool visit(FunctionTypeName& _node) { return visitNode(_node); }
@@ -104,7 +103,6 @@ public:
 	virtual void endVisit(ModifierDefinition& _node) { endVisitNode(_node); }
 	virtual void endVisit(ModifierInvocation& _node) { endVisitNode(_node); }
 	virtual void endVisit(EventDefinition& _node) { endVisitNode(_node); }
-	virtual void endVisit(TypeName& _node) { endVisitNode(_node); }
 	virtual void endVisit(ElementaryTypeName& _node) { endVisitNode(_node); }
 	virtual void endVisit(UserDefinedTypeName& _node) { endVisitNode(_node); }
 	virtual void endVisit(FunctionTypeName& _node) { endVisitNode(_node); }
@@ -162,7 +160,6 @@ public:
 	virtual bool visit(ModifierDefinition const& _node) { return visitNode(_node); }
 	virtual bool visit(ModifierInvocation const& _node) { return visitNode(_node); }
 	virtual bool visit(EventDefinition const& _node) { return visitNode(_node); }
-	virtual bool visit(TypeName const& _node) { return visitNode(_node); }
 	virtual bool visit(ElementaryTypeName const& _node) { return visitNode(_node); }
 	virtual bool visit(UserDefinedTypeName const& _node) { return visitNode(_node); }
 	virtual bool visit(FunctionTypeName const& _node) { return visitNode(_node); }
@@ -208,7 +205,6 @@ public:
 	virtual void endVisit(ModifierDefinition const& _node) { endVisitNode(_node); }
 	virtual void endVisit(ModifierInvocation const& _node) { endVisitNode(_node); }
 	virtual void endVisit(EventDefinition const& _node) { endVisitNode(_node); }
-	virtual void endVisit(TypeName const& _node) { endVisitNode(_node); }
 	virtual void endVisit(ElementaryTypeName const& _node) { endVisitNode(_node); }
 	virtual void endVisit(UserDefinedTypeName const& _node) { endVisitNode(_node); }
 	virtual void endVisit(FunctionTypeName const& _node) { endVisitNode(_node); }
diff --git a/libsolidity/ast/AST_accept.h b/libsolidity/ast/AST_accept.h
index 7c1c64b09..904d9ff65 100644
--- a/libsolidity/ast/AST_accept.h
+++ b/libsolidity/ast/AST_accept.h
@@ -291,18 +291,6 @@ void EventDefinition::accept(ASTConstVisitor& _visitor) const
 	_visitor.endVisit(*this);
 }
 
-void TypeName::accept(ASTVisitor& _visitor)
-{
-	_visitor.visit(*this);
-	_visitor.endVisit(*this);
-}
-
-void TypeName::accept(ASTConstVisitor& _visitor) const
-{
-	_visitor.visit(*this);
-	_visitor.endVisit(*this);
-}
-
 void ElementaryTypeName::accept(ASTVisitor& _visitor)
 {
 	_visitor.visit(*this);