diff --git a/library/md.c b/library/md.c
index 7cd57ef..b6e054d 100644
--- a/library/md.c
+++ b/library/md.c
@@ -77,7 +77,7 @@
 #endif
 
 #if defined(MBEDTLS_MD_CAN_MD5)
-const mbedtls_md_info_t mbedtls_md5_info = {
+static const mbedtls_md_info_t mbedtls_md5_info = {
     MBEDTLS_MD_MD5,
     16,
     64,
@@ -85,7 +85,7 @@
 #endif
 
 #if defined(MBEDTLS_MD_CAN_RIPEMD160)
-const mbedtls_md_info_t mbedtls_ripemd160_info = {
+static const mbedtls_md_info_t mbedtls_ripemd160_info = {
     MBEDTLS_MD_RIPEMD160,
     20,
     64,
@@ -93,7 +93,7 @@
 #endif
 
 #if defined(MBEDTLS_MD_CAN_SHA1)
-const mbedtls_md_info_t mbedtls_sha1_info = {
+static const mbedtls_md_info_t mbedtls_sha1_info = {
     MBEDTLS_MD_SHA1,
     20,
     64,
@@ -101,7 +101,7 @@
 #endif
 
 #if defined(MBEDTLS_MD_CAN_SHA224)
-const mbedtls_md_info_t mbedtls_sha224_info = {
+static const mbedtls_md_info_t mbedtls_sha224_info = {
     MBEDTLS_MD_SHA224,
     28,
     64,
@@ -109,7 +109,7 @@
 #endif
 
 #if defined(MBEDTLS_MD_CAN_SHA256)
-const mbedtls_md_info_t mbedtls_sha256_info = {
+static const mbedtls_md_info_t mbedtls_sha256_info = {
     MBEDTLS_MD_SHA256,
     32,
     64,
@@ -117,7 +117,7 @@
 #endif
 
 #if defined(MBEDTLS_MD_CAN_SHA384)
-const mbedtls_md_info_t mbedtls_sha384_info = {
+static const mbedtls_md_info_t mbedtls_sha384_info = {
     MBEDTLS_MD_SHA384,
     48,
     128,
@@ -125,7 +125,7 @@
 #endif
 
 #if defined(MBEDTLS_MD_CAN_SHA512)
-const mbedtls_md_info_t mbedtls_sha512_info = {
+static const mbedtls_md_info_t mbedtls_sha512_info = {
     MBEDTLS_MD_SHA512,
     64,
     128,
@@ -133,7 +133,7 @@
 #endif
 
 #if defined(MBEDTLS_MD_CAN_SHA3_224)
-const mbedtls_md_info_t mbedtls_sha3_224_info = {
+static const mbedtls_md_info_t mbedtls_sha3_224_info = {
     MBEDTLS_MD_SHA3_224,
     28,
     144,
@@ -141,7 +141,7 @@
 #endif
 
 #if defined(MBEDTLS_MD_CAN_SHA3_256)
-const mbedtls_md_info_t mbedtls_sha3_256_info = {
+static const mbedtls_md_info_t mbedtls_sha3_256_info = {
     MBEDTLS_MD_SHA3_256,
     32,
     136,
@@ -149,7 +149,7 @@
 #endif
 
 #if defined(MBEDTLS_MD_CAN_SHA3_384)
-const mbedtls_md_info_t mbedtls_sha3_384_info = {
+static const mbedtls_md_info_t mbedtls_sha3_384_info = {
     MBEDTLS_MD_SHA3_384,
     48,
     104,
@@ -157,7 +157,7 @@
 #endif
 
 #if defined(MBEDTLS_MD_CAN_SHA3_512)
-const mbedtls_md_info_t mbedtls_sha3_512_info = {
+static const mbedtls_md_info_t mbedtls_sha3_512_info = {
     MBEDTLS_MD_SHA3_512,
     64,
     72,
diff --git a/library/md_wrap.h b/library/md_wrap.h
index 665ab1c..71b60db 100644
--- a/library/md_wrap.h
+++ b/library/md_wrap.h
@@ -49,34 +49,6 @@
     unsigned char block_size;
 };
 
-#if defined(MBEDTLS_MD5_C)
-extern const mbedtls_md_info_t mbedtls_md5_info;
-#endif
-#if defined(MBEDTLS_RIPEMD160_C)
-extern const mbedtls_md_info_t mbedtls_ripemd160_info;
-#endif
-#if defined(MBEDTLS_SHA1_C)
-extern const mbedtls_md_info_t mbedtls_sha1_info;
-#endif
-#if defined(MBEDTLS_SHA224_C)
-extern const mbedtls_md_info_t mbedtls_sha224_info;
-#endif
-#if defined(MBEDTLS_SHA256_C)
-extern const mbedtls_md_info_t mbedtls_sha256_info;
-#endif
-#if defined(MBEDTLS_SHA384_C)
-extern const mbedtls_md_info_t mbedtls_sha384_info;
-#endif
-#if defined(MBEDTLS_SHA512_C)
-extern const mbedtls_md_info_t mbedtls_sha512_info;
-#endif
-#if defined(MBEDTLS_SHA3_C)
-extern const mbedtls_md_info_t mbedtls_sha3_224_info;
-extern const mbedtls_md_info_t mbedtls_sha3_256_info;
-extern const mbedtls_md_info_t mbedtls_sha3_384_info;
-extern const mbedtls_md_info_t mbedtls_sha3_512_info;
-#endif
-
 #ifdef __cplusplus
 }
 #endif
diff --git a/library/psa_crypto.c b/library/psa_crypto.c
index 5e38c3a..13b8cb0 100644
--- a/library/psa_crypto.c
+++ b/library/psa_crypto.c
@@ -72,7 +72,6 @@
 #include "mbedtls/gcm.h"
 #include "mbedtls/md5.h"
 #include "mbedtls/md.h"
-#include "md_wrap.h"
 #include "mbedtls/pk.h"
 #include "pk_wrap.h"
 #include "mbedtls/platform_util.h"
diff --git a/library/psa_crypto_hash.h b/library/psa_crypto_hash.h
index d6bbd3f..2dfb011 100644
--- a/library/psa_crypto_hash.h
+++ b/library/psa_crypto_hash.h
@@ -23,8 +23,6 @@
 
 #include <psa/crypto.h>
 
-#include "md_wrap.h"
-
 /** Calculate the hash (digest) of a message using Mbed TLS routines.
  *
  * \note The signature of this function is that of a PSA driver hash_compute