diff --git a/src/common/aliases/byte_buffer.hpp b/src/common/aliases/byte_buffer.hpp
new file mode 100644
index 0000000..65dd7b5
--- /dev/null
+++ b/src/common/aliases/byte_buffer.hpp
@@ -0,0 +1,6 @@
+#pragma once
+#include <cstdint>
+#include <vector>
+
+// Alias for raw byte buffer
+using ByteBuffer = std::vector<std::uint8_t>;
diff --git a/src/common/aliases/std_cstdint.hpp b/src/common/aliases/std_cstdint.hpp
deleted file mode 100644
index b7ac707..0000000
--- a/src/common/aliases/std_cstdint.hpp
+++ /dev/null
@@ -1,7 +0,0 @@
-#pragma once
-#include <cstdint>
-
-// Fixed-width unsigned integers
-using u8 = std::uint8_t;
-using u32 = std::uint32_t;
-using u64 = std::uint64_t;