diff --git a/include/mbedtls/error.h b/include/mbedtls/error.h
index 95415dc..2b83c2d 100644
--- a/include/mbedtls/error.h
+++ b/include/mbedtls/error.h
@@ -80,7 +80,7 @@
  * CHACHA20  3                  0x0051-0x0055
  * POLY1305  3                  0x0057-0x005B
  * CHACHAPOLY 2 0x0054-0x0056
- * PLATFORM  2 0x0080-0x0082
+ * PLATFORM  1 0x0080-0x0080
  *
  * High-level module nr (3 bits - 0x0...-0x7...)
  * Name      ID  Nr of Errors
diff --git a/include/mbedtls/platform.h b/include/mbedtls/platform.h
index a1cd689..cb21d2a 100644
--- a/include/mbedtls/platform.h
+++ b/include/mbedtls/platform.h
@@ -43,8 +43,7 @@
 #include "platform_time.h"
 #endif
 
-#define MBEDTLS_ERR_PLATFORM_INVALID_DATA    -0x0080 /**< Bad input parameters to the platform function. */
-#define MBEDTLS_ERR_PLATFORM_HW_FAILED       -0x0082 /**< Hardware platform function failed. */
+#define MBEDTLS_ERR_PLATFORM_HW_FAILED       -0x0080 /**< Hardware platform function failed. */
 
 #ifdef __cplusplus
 extern "C" {