diff --git a/AST.h b/AST.h
index 578709c1e..b3984840f 100644
--- a/AST.h
+++ b/AST.h
@@ -503,7 +503,7 @@ public:
 
 	/// Returns the declared or inferred type. Can be an empty pointer if no type was explicitly
 	/// declared and there is no assignment to the variable that fixes the type.
-	TypePointer getType(ContractDefinition const* = nullptr) const { return m_type; }
+	TypePointer getType(ContractDefinition const* = nullptr) const override { return m_type; }
 	void setType(std::shared_ptr<Type const> const& _type) { m_type = _type; }
 
 	virtual bool isLValue() const override;
diff --git a/CompilerContext.cpp b/CompilerContext.cpp
index 2edff82e1..fde6adacc 100644
--- a/CompilerContext.cpp
+++ b/CompilerContext.cpp
@@ -133,7 +133,7 @@ set<Declaration const*> CompilerContext::getFunctionsWithoutCode()
 	for (auto const& it: m_functionEntryLabels)
 		if (m_functionsWithCode.count(it.first) == 0)
 			functions.insert(it.first);
-	return move(functions);
+	return functions;
 }
 
 ModifierDefinition const& CompilerContext::getFunctionModifier(string const& _name) const
diff --git a/LValue.h b/LValue.h
index 1617e8167..726d63328 100644
--- a/LValue.h
+++ b/LValue.h
@@ -109,7 +109,7 @@ public:
 	StorageItem(CompilerContext& _compilerContext, Declaration const& _declaration);
 	/// Constructs the LValue and assumes that the storage reference is already on the stack.
 	StorageItem(CompilerContext& _compilerContext, Type const& _type);
-	virtual unsigned sizeOnStack() const { return 2; }
+	virtual unsigned sizeOnStack() const override { return 2; }
 	virtual void retrieveValue(SourceLocation const& _location, bool _remove = false) const override;
 	virtual void storeValue(
 		Type const& _sourceType,
diff --git a/Types.cpp b/Types.cpp
index 1316bbc37..e1161c3fb 100644
--- a/Types.cpp
+++ b/Types.cpp
@@ -1459,29 +1459,29 @@ MagicType::MagicType(MagicType::Kind _kind):
 	switch (m_kind)
 	{
 	case Kind::Block:
-		m_members = move(MemberList({
+		m_members = MemberList({
 			{"coinbase", make_shared<IntegerType>(0, IntegerType::Modifier::Address)},
 			{"timestamp", make_shared<IntegerType>(256)},
 			{"blockhash", make_shared<FunctionType>(strings{"uint"}, strings{"bytes32"}, FunctionType::Location::BlockHash)},
 			{"difficulty", make_shared<IntegerType>(256)},
 			{"number", make_shared<IntegerType>(256)},
 			{"gaslimit", make_shared<IntegerType>(256)}
-		}));
+		});
 		break;
 	case Kind::Message:
-		m_members = move(MemberList({
+		m_members = MemberList({
 			{"sender", make_shared<IntegerType>(0, IntegerType::Modifier::Address)},
 			{"gas", make_shared<IntegerType>(256)},
 			{"value", make_shared<IntegerType>(256)},
 			{"data", make_shared<ArrayType>(ReferenceType::Location::CallData)},
 			{"sig", make_shared<FixedBytesType>(4)}
-		}));
+		});
 		break;
 	case Kind::Transaction:
-		m_members = move(MemberList({
+		m_members = MemberList({
 			{"origin", make_shared<IntegerType>(0, IntegerType::Modifier::Address)},
 			{"gasprice", make_shared<IntegerType>(256)}
-		}));
+		});
 		break;
 	default:
 		BOOST_THROW_EXCEPTION(InternalCompilerError() << errinfo_comment("Unknown kind of magic."));
diff --git a/Types.h b/Types.h
index 3ec925395..17d30ea6c 100644
--- a/Types.h
+++ b/Types.h
@@ -407,7 +407,7 @@ public:
 	virtual TypePointer unaryOperatorResult(Token::Value _operator) const override;
 	virtual bool operator==(const Type& _other) const override;
 	virtual unsigned getCalldataEncodedSize(bool _padded) const override;
-	virtual bool isDynamicallySized() const { return m_hasDynamicLength; }
+	virtual bool isDynamicallySized() const override { return m_hasDynamicLength; }
 	virtual u256 getStorageSize() const override;
 	virtual unsigned getSizeOnStack() const override;
 	virtual std::string toString() const override;
@@ -820,7 +820,7 @@ public:
 		return TypePointer();
 	}
 
-	virtual bool operator==(Type const& _other) const;
+	virtual bool operator==(Type const& _other) const override;
 	virtual bool canBeStored() const override { return false; }
 	virtual bool canLiveOutsideStorage() const override { return true; }
 	virtual unsigned getSizeOnStack() const override { return 0; }