diff --git a/src/fileio.cpp b/src/fileio.cpp
index 6980e6d8f8..a1a8db8d32 100644
--- a/src/fileio.cpp
+++ b/src/fileio.cpp
@@ -565,18 +565,6 @@ bool AppendPathSeparator(char *buf, const char *last)
 	return true;
 }
 
-/**
- * Find the first directory in a tar archive.
- * @param tarname the name of the tar archive to look in.
- * @param subdir  the subdirectory to look in.
- */
-const char *FioTarFirstDir(const char *tarname, Subdirectory subdir)
-{
-	TarList::iterator it = _tar_list[subdir].find(tarname);
-	if (it == _tar_list[subdir].end()) return nullptr;
-	return (*it).second.dirname;
-}
-
 static void TarAddLink(const std::string &srcParam, const std::string &destParam, Subdirectory subdir)
 {
 	std::string src = srcParam;
@@ -598,11 +586,6 @@ static void TarAddLink(const std::string &srcParam, const std::string &destParam
 	}
 }
 
-void FioTarAddLink(const char *src, const char *dest, Subdirectory subdir)
-{
-	TarAddLink(src, dest, subdir);
-}
-
 /**
  * Simplify filenames from tars.
  * Replace '/' by #PATHSEPCHAR, and force 'name' to lowercase.
diff --git a/src/fileio_func.h b/src/fileio_func.h
index dd3727df0f..9c287d12c9 100644
--- a/src/fileio_func.h
+++ b/src/fileio_func.h
@@ -64,8 +64,6 @@ bool AppendPathSeparator(char *buf, const char *last);
 void DeterminePaths(const char *exe);
 void *ReadFileToMem(const char *filename, size_t *lenp, size_t maxsize);
 bool FileExists(const char *filename);
-const char *FioTarFirstDir(const char *tarname, Subdirectory subdir);
-void FioTarAddLink(const char *src, const char *dest, Subdirectory subdir);
 bool ExtractTar(const char *tar_filename, Subdirectory subdir);
 
 extern const char *_personal_dir; ///< custom directory for personal settings, saves, newgrf, etc.