diff --git a/components/mbedtls/port/include/sha1_alt.h b/components/mbedtls/port/include/sha1_alt.h
index fbe740c7e..54b774087 100644
--- a/components/mbedtls/port/include/sha1_alt.h
+++ b/components/mbedtls/port/include/sha1_alt.h
@@ -47,56 +47,6 @@ typedef struct
 }
 mbedtls_sha1_context;
 
-/**
- * \brief          Initialize SHA-1 context
- *
- * \param ctx      SHA-1 context to be initialized
- */
-void mbedtls_sha1_init( mbedtls_sha1_context *ctx );
-
-/**
- * \brief          Clear SHA-1 context
- *
- * \param ctx      SHA-1 context to be cleared
- */
-void mbedtls_sha1_free( mbedtls_sha1_context *ctx );
-
-/**
- * \brief          Clone (the state of) a SHA-1 context
- *
- * \param dst      The destination context
- * \param src      The context to be cloned
- */
-void mbedtls_sha1_clone( mbedtls_sha1_context *dst,
-                         const mbedtls_sha1_context *src );
-
-/**
- * \brief          SHA-1 context setup
- *
- * \param ctx      context to be initialized
- */
-void mbedtls_sha1_starts( mbedtls_sha1_context *ctx );
-
-/**
- * \brief          SHA-1 process buffer
- *
- * \param ctx      SHA-1 context
- * \param input    buffer holding the  data
- * \param ilen     length of the input data
- */
-void mbedtls_sha1_update( mbedtls_sha1_context *ctx, const unsigned char *input, size_t ilen );
-
-/**
- * \brief          SHA-1 final digest
- *
- * \param ctx      SHA-1 context
- * \param output   SHA-1 checksum result
- */
-void mbedtls_sha1_finish( mbedtls_sha1_context *ctx, unsigned char output[20] );
-
-/* Internal use */
-void mbedtls_sha1_process( mbedtls_sha1_context *ctx, const unsigned char data[64] );
-
 #endif
 
 #ifdef __cplusplus
diff --git a/components/mbedtls/port/include/sha256_alt.h b/components/mbedtls/port/include/sha256_alt.h
index cc87333aa..436f5324c 100644
--- a/components/mbedtls/port/include/sha256_alt.h
+++ b/components/mbedtls/port/include/sha256_alt.h
@@ -48,58 +48,6 @@ typedef struct
 }
 mbedtls_sha256_context;
 
-/**
- * \brief          Initialize SHA-256 context
- *
- * \param ctx      SHA-256 context to be initialized
- */
-void mbedtls_sha256_init( mbedtls_sha256_context *ctx );
-
-/**
- * \brief          Clear SHA-256 context
- *
- * \param ctx      SHA-256 context to be cleared
- */
-void mbedtls_sha256_free( mbedtls_sha256_context *ctx );
-
-/**
- * \brief          Clone (the state of) a SHA-256 context
- *
- * \param dst      The destination context
- * \param src      The context to be cloned
- */
-void mbedtls_sha256_clone( mbedtls_sha256_context *dst,
-                           const mbedtls_sha256_context *src );
-
-/**
- * \brief          SHA-256 context setup
- *
- * \param ctx      context to be initialized
- * \param is224    0 = use SHA256, 1 = use SHA224
- */
-void mbedtls_sha256_starts( mbedtls_sha256_context *ctx, int is224 );
-
-/**
- * \brief          SHA-256 process buffer
- *
- * \param ctx      SHA-256 context
- * \param input    buffer holding the  data
- * \param ilen     length of the input data
- */
-void mbedtls_sha256_update( mbedtls_sha256_context *ctx, const unsigned char *input,
-                    size_t ilen );
-
-/**
- * \brief          SHA-256 final digest
- *
- * \param ctx      SHA-256 context
- * \param output   SHA-224/256 checksum result
- */
-void mbedtls_sha256_finish( mbedtls_sha256_context *ctx, unsigned char output[32] );
-
-/* Internal use */
-void mbedtls_sha256_process( mbedtls_sha256_context *ctx, const unsigned char data[64] );
-
 #endif
 
 #ifdef __cplusplus
diff --git a/components/mbedtls/port/include/sha512_alt.h b/components/mbedtls/port/include/sha512_alt.h
index 70ae24e16..36b8fc9d2 100644
--- a/components/mbedtls/port/include/sha512_alt.h
+++ b/components/mbedtls/port/include/sha512_alt.h
@@ -48,58 +48,6 @@ typedef struct
 }
 mbedtls_sha512_context;
 
-/**
- * \brief          Initialize SHA-512 context
- *
- * \param ctx      SHA-512 context to be initialized
- */
-void mbedtls_sha512_init( mbedtls_sha512_context *ctx );
-
-/**
- * \brief          Clear SHA-512 context
- *
- * \param ctx      SHA-512 context to be cleared
- */
-void mbedtls_sha512_free( mbedtls_sha512_context *ctx );
-
-/**
- * \brief          Clone (the state of) a SHA-512 context
- *
- * \param dst      The destination context
- * \param src      The context to be cloned
- */
-void mbedtls_sha512_clone( mbedtls_sha512_context *dst,
-                           const mbedtls_sha512_context *src );
-
-/**
- * \brief          SHA-512 context setup
- *
- * \param ctx      context to be initialized
- * \param is384    0 = use SHA512, 1 = use SHA384
- */
-void mbedtls_sha512_starts( mbedtls_sha512_context *ctx, int is384 );
-
-/**
- * \brief          SHA-512 process buffer
- *
- * \param ctx      SHA-512 context
- * \param input    buffer holding the  data
- * \param ilen     length of the input data
- */
-void mbedtls_sha512_update( mbedtls_sha512_context *ctx, const unsigned char *input,
-                    size_t ilen );
-
-/**
- * \brief          SHA-512 final digest
- *
- * \param ctx      SHA-512 context
- * \param output   SHA-384/512 checksum result
- */
-void mbedtls_sha512_finish( mbedtls_sha512_context *ctx, unsigned char output[64] );
-
-/* Internal use */
-void mbedtls_sha512_process( mbedtls_sha512_context *ctx, const unsigned char data[128] );
-
 #endif
 
 #ifdef __cplusplus