diff --git a/src/config.h b/src/config.h
index 79f1ef4..b4810fd 100644
--- a/src/config.h
+++ b/src/config.h
@@ -17,8 +17,6 @@
 #ifndef CONFIG_H
 #define CONFIG_H
 
-#include <stdint.h>
-
 #define ENDIANNESS_PORTABLE_CONVERSION
 #include "endianness.h"
 
@@ -26,13 +24,4 @@
 #define hmac_sha256(k, l, i, n, o) \
 	hmac_sha256_full(k, l, i, n, o)
 
-#define u8   uint8_t
-#define u16  uint16_t
-#define u32  uint32_t
-#define u64  uint64_t
-#define os_memcpy  memcpy
-#define os_malloc  malloc
-#define os_memset  memset
-#define os_free    free
-
 #endif /* CONFIG_H */