diff --git a/components/esp8266/include/c_types.h b/components/esp8266/include/c_types.h
index 1cfc741b..87ee32ee 100644
--- a/components/esp8266/include/c_types.h
+++ b/components/esp8266/include/c_types.h
@@ -33,36 +33,6 @@
 extern "C" {
 #endif
 
-typedef uint8_t  u8_t;
-typedef int8_t   s8_t;
-typedef uint16_t u16_t;
-typedef int16_t  s16_t;
-typedef uint32_t u32_t;
-typedef int32_t  s32_t;
-
-typedef uint8_t  uint8;
-typedef uint8_t  u8;
-typedef int8_t   sint8;
-typedef int8_t   int8;
-typedef int8_t   s8;
-typedef uint16_t uint16;
-typedef uint16_t u16;
-typedef int16_t  sint16;
-typedef int16_t  s16;
-typedef uint32_t uint32;
-typedef uint32_t u_int;
-typedef uint32_t u32;
-typedef int32_t  sint32;
-typedef int32_t  s32;
-typedef int32_t  int32;
-typedef int64_t  sint64;
-typedef uint64_t uint64;
-typedef uint64_t u64;
-typedef float    real32;
-typedef double   real64;
-
-#define __le16      u16
-
 #define BIT(nr)     (1UL << (nr))
 
 #define REG_WRITE(_r, _v)       (*(volatile uint32 *)(_r)) = (_v)