diff --git a/src/fs.hpp b/src/fs.hpp
index 6ec3967..cee7292 100644
--- a/src/fs.hpp
+++ b/src/fs.hpp
@@ -149,48 +149,4 @@ private:
     BlocksBitmap m_blocks_bitmap = {};
 };
 
-class ByteReader {
-public:
-    template <typename Data>
-    ByteReader(const Data* data)
-        : m_data(reinterpret_cast<const u8*>(data)) {};
-
-    template <typename Data>
-        requires std::is_integral_v<Data>
-    auto operator>>(Data& v) -> ByteReader&
-    {
-        v = 0;
-        for (std::size_t i = 0; i < sizeof(Data); ++i) {
-            v |= *m_data << (sizeof(Data) - i - 1) * 8;
-            m_data++;
-        }
-        return *this;
-    }
-
-private:
-    const u8* m_data;
-};
-
-class ByteWriter {
-public:
-    template <typename Data>
-    ByteWriter(Data* data)
-        : m_data(reinterpret_cast<u8*>(data)) {};
-
-    template <typename Data>
-        requires std::is_integral_v<Data>
-    auto operator>>(Data& v) -> ByteWriter&
-    {
-        v = 0;
-        for (std::size_t i = 0; i < sizeof(Data); ++i) {
-            *m_data = v >> (sizeof(Data) - i - 1) * 8 & 0xff;
-            m_data++;
-        }
-        return *this;
-    }
-
-private:
-    u8* m_data;
-};
-
 }