diff --git a/include/athena/FileReader.hpp b/include/athena/FileReader.hpp
index 69a3357..826bee3 100644
--- a/include/athena/FileReader.hpp
+++ b/include/athena/FileReader.hpp
@@ -71,10 +71,3 @@ protected:
   bool m_globalErr;
 };
 } // namespace athena::io
-
-#ifndef FILEREADER_BASE
-#define FILEREADER_BASE()                                                                                              \
-private:                                                                                                               \
-  typedef athena::io::FileReader base
-
-#endif // FILEREADER_BASE
diff --git a/include/athena/FileWriter.hpp b/include/athena/FileWriter.hpp
index 99994ba..9669676 100644
--- a/include/athena/FileWriter.hpp
+++ b/include/athena/FileWriter.hpp
@@ -109,10 +109,3 @@ public:
   ~TransactionalFileWriter() override { flush(); }
 };
 } // namespace athena::io
-
-#ifndef FILEWRITER_BASE
-#define FILEWRITER_BASE()                                                                                              \
-private:                                                                                                               \
-  typedef athena::io::FileWriter base;
-
-#endif // FILEWRITER_BASE
diff --git a/include/athena/PHYSFSFileReader.hpp b/include/athena/PHYSFSFileReader.hpp
index 6bdeecb..22773ff 100644
--- a/include/athena/PHYSFSFileReader.hpp
+++ b/include/athena/PHYSFSFileReader.hpp
@@ -48,8 +48,5 @@ private:
 };
 } // namespace athena::io
 
-#ifndef PHYSFSFILEREADER_BASE
-#define PHYSFSFILEREADER_BASE() typedef athena::io::PHYSFSFileReader base
-#endif
 #endif // PHYSFSSTREAM_HPP
 #endif // ATHENA_ENABLE_PHYSFS