diff --git a/src/lib/utility/file/FileSystem.cpp b/src/lib/utility/file/FileSystem.cpp
index 709a40f5..c7d61b9b 100644
--- a/src/lib/utility/file/FileSystem.cpp
+++ b/src/lib/utility/file/FileSystem.cpp
@@ -197,11 +197,6 @@ TimeStamp FileSystem::getLastWriteTime(const FilePath& filePath)
 	return TimeStamp(lastWriteTime);
 }
 
-std::string FileSystem::getTimeStringNow() // TODO: move to utility
-{
-	return boost::posix_time::to_iso_string(boost::posix_time::second_clock::universal_time());
-}
-
 bool FileSystem::remove(const FilePath& path)
 {
 	return boost::filesystem::remove(path.getPath());
@@ -280,23 +275,3 @@ std::vector<FilePath> FileSystem::getRecursiveSubDirectories(const FilePath &pat
 
 	return v;
 }
-
-std::string FileSystem::fileName(const std::string& path)
-{
-	return boost::filesystem::path(path).filename().generic_string();
-}
-
-std::string FileSystem::absoluteFilePath(const std::string& path)
-{
-	return boost::filesystem::absolute(boost::filesystem::path(path)).generic_string();
-}
-
-std::string FileSystem::extension(const std::string& path)
-{
-	return boost::filesystem::path(path).extension().generic_string();
-}
-
-std::string FileSystem::filePathWithoutExtension(const std::string& path)
-{
-	return boost::filesystem::path(path).replace_extension().generic_string();
-}
diff --git a/src/lib/utility/file/FileSystem.h b/src/lib/utility/file/FileSystem.h
index 227f3db4..1fa34a5c 100644
--- a/src/lib/utility/file/FileSystem.h
+++ b/src/lib/utility/file/FileSystem.h
@@ -24,7 +24,6 @@ public:
 	static unsigned long long getFileByteSize(const FilePath& filePath);
 
 	static TimeStamp getLastWriteTime(const FilePath& filePath);
-	static std::string getTimeStringNow();
 
 	static bool remove(const FilePath& path);
 	static bool rename(const FilePath& from, const FilePath& to);
@@ -35,12 +34,6 @@ public:
 	static void createDirectory(const FilePath& path);
 	static std::vector<FilePath> getDirectSubDirectories(const FilePath& path);
 	static std::vector<FilePath> getRecursiveSubDirectories(const FilePath& path);
-
-	static std::string fileName(const std::string& path);
-	static std::string absoluteFilePath(const std::string& path);
-
-	static std::string extension(const std::string& path);
-	static std::string filePathWithoutExtension(const std::string& path);
 };
 
 #endif // FILE_SYSTEM_H
diff --git a/src/test/FileSystemTestSuite.h b/src/test/FileSystemTestSuite.h
index 7ddf4ee6..b624a1be 100644
--- a/src/test/FileSystemTestSuite.h
+++ b/src/test/FileSystemTestSuite.h
@@ -101,24 +101,6 @@ public:
 #endif
 	}
 
-	void test_filesystem_extracts_filename()
-	{
-		TS_ASSERT_EQUALS(FileSystem::fileName("data/FileSystemTestSuite/tictactoe.h"), "tictactoe.h");
-		TS_ASSERT_EQUALS(FileSystem::fileName("data/FileSystemTestSuite/Settings/player.h"), "player.h");
-	}
-
-	void test_filesystem_extracts_extension()
-	{
-		TS_ASSERT_EQUALS(FileSystem::extension("data/FileSystemTestSuite/tictactoe.h"), ".h");
-		TS_ASSERT_EQUALS(FileSystem::extension("data/FileSystemTestSuite/tictactoe.cpp"), ".cpp");
-	}
-
-	void test_filesystem_extract_filepath_without_extension()
-	{
-		TS_ASSERT_EQUALS(FileSystem::filePathWithoutExtension("data/FileSystemTestSuite/tictactoe.h"), "data/FileSystemTestSuite/tictactoe");
-		TS_ASSERT_EQUALS(FileSystem::filePathWithoutExtension("data/FileSystemTestSuite/tictactoe.cpp"), "data/FileSystemTestSuite/tictactoe");
-	}
-
 private:
 	bool isInFiles(const std::set<FilePath>& files, const FilePath& filename)
 	{