diff --git a/CommandLineInterface.cpp b/CommandLineInterface.cpp
index 609678952..f13500142 100644
--- a/CommandLineInterface.cpp
+++ b/CommandLineInterface.cpp
@@ -304,8 +304,7 @@ void CommandLineInterface::createFile(string const& _fileName, string const& _da
 	fs::path p(m_args["output-dir"].as<string>());
 	fs::create_directories(p);
 	ofstream outFile(m_args["output-dir"].as<string>() + "/" + _fileName);
-	if (!_data.empty())
-		outFile << _data;
+	outFile << _data;
 	if (!outFile)
 		BOOST_THROW_EXCEPTION(FileError() << errinfo_comment("Could not write to file: " + _fileName));
 	outFile.close();
diff --git a/CommandLineInterface.h b/CommandLineInterface.h
index 715f381ba..f79bc0be4 100644
--- a/CommandLineInterface.h
+++ b/CommandLineInterface.h
@@ -33,12 +33,6 @@ namespace solidity
 //forward declaration
 enum class DocumentationType: uint8_t;
 
-enum class OutputType: uint8_t
-{
-	STDOUT,
-	FILE,
-};
-
 class CommandLineInterface
 {
 public:
@@ -66,7 +60,7 @@ private:
 	/// Create a file in the given directory
 	/// @arg _fileName the name of the file
 	/// @arg _data to be written
-	void createFile(std::string const& _fileName, std::string const& _data = "");
+	void createFile(std::string const& _fileName, std::string const& _data);
 
 	/// Compiler arguments variable map
 	boost::program_options::variables_map m_args;