diff --git a/library/psa_crypto_ecp.c b/library/psa_crypto_ecp.c
index db6682c..59c3a0e 100644
--- a/library/psa_crypto_ecp.c
+++ b/library/psa_crypto_ecp.c
@@ -26,7 +26,7 @@
 #include "psa_crypto_core.h"
 #include "psa_crypto_ecp.h"
 #include "psa_crypto_random_impl.h"
-#include "psa_crypto_hash.h"
+#include "hash_info.h"
 
 #include <stdlib.h>
 #include <string.h>
@@ -367,8 +367,7 @@
     {
 #if defined(MBEDTLS_PSA_BUILTIN_ALG_DETERMINISTIC_ECDSA)
         psa_algorithm_t hash_alg = PSA_ALG_SIGN_GET_HASH( alg );
-        const mbedtls_md_info_t *md_info = mbedtls_md_info_from_psa( hash_alg );
-        mbedtls_md_type_t md_alg = mbedtls_md_get_type( md_info );
+        mbedtls_md_type_t md_alg = mbedtls_hash_info_md_from_psa( hash_alg );
         MBEDTLS_MPI_CHK( mbedtls_ecdsa_sign_det_ext(
                              &ecp->grp, &r, &s,
                              &ecp->d, hash,
diff --git a/library/psa_crypto_hash.c b/library/psa_crypto_hash.c
index 28e0b87..a20c13f 100644
--- a/library/psa_crypto_hash.c
+++ b/library/psa_crypto_hash.c
@@ -29,49 +29,6 @@
 #include <mbedtls/error.h>
 #include <string.h>
 
-#if defined(MBEDTLS_PSA_BUILTIN_ALG_RSA_OAEP) || \
-    defined(MBEDTLS_PSA_BUILTIN_ALG_RSA_PSS) || \
-    defined(MBEDTLS_PSA_BUILTIN_ALG_DETERMINISTIC_ECDSA)
-const mbedtls_md_info_t *mbedtls_md_info_from_psa( psa_algorithm_t alg )
-{
-    switch( alg )
-    {
-#if defined(MBEDTLS_MD5_C)
-        case PSA_ALG_MD5:
-            return( &mbedtls_md5_info );
-#endif
-#if defined(MBEDTLS_RIPEMD160_C)
-        case PSA_ALG_RIPEMD160:
-            return( &mbedtls_ripemd160_info );
-#endif
-#if defined(MBEDTLS_SHA1_C)
-        case PSA_ALG_SHA_1:
-            return( &mbedtls_sha1_info );
-#endif
-#if defined(MBEDTLS_SHA224_C)
-        case PSA_ALG_SHA_224:
-            return( &mbedtls_sha224_info );
-#endif
-#if defined(MBEDTLS_SHA256_C)
-        case PSA_ALG_SHA_256:
-            return( &mbedtls_sha256_info );
-#endif
-#if defined(MBEDTLS_SHA384_C)
-        case PSA_ALG_SHA_384:
-            return( &mbedtls_sha384_info );
-#endif
-#if defined(MBEDTLS_SHA512_C)
-        case PSA_ALG_SHA_512:
-            return( &mbedtls_sha512_info );
-#endif
-        default:
-            return( NULL );
-    }
-}
-#endif /* defined(MBEDTLS_PSA_BUILTIN_ALG_RSA_OAEP) ||
-        * defined(MBEDTLS_PSA_BUILTIN_ALG_RSA_PSS) ||
-        * defined(MBEDTLS_PSA_BUILTIN_ALG_DETERMINISTIC_ECDSA) */
-
 #if defined(MBEDTLS_PSA_BUILTIN_HASH)
 psa_status_t mbedtls_psa_hash_abort(
     mbedtls_psa_hash_operation_t *operation )
diff --git a/library/psa_crypto_hash.h b/library/psa_crypto_hash.h
index 3bcea59..053da0b 100644
--- a/library/psa_crypto_hash.h
+++ b/library/psa_crypto_hash.h
@@ -25,15 +25,6 @@
 
 #include "md_wrap.h"
 
-/** Get Mbed TLS MD information of a hash algorithm given its PSA identifier
- *
- * \param[in] alg  PSA hash algorithm identifier
- *
- * \return  The Mbed TLS MD information of the hash algorithm. \c NULL if the
- *          PSA hash algorithm is not supported.
- */
-const mbedtls_md_info_t *mbedtls_md_info_from_psa( psa_algorithm_t alg );
-
 /** 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
diff --git a/library/psa_crypto_rsa.c b/library/psa_crypto_rsa.c
index 19011a4..7d4718d 100644
--- a/library/psa_crypto_rsa.c
+++ b/library/psa_crypto_rsa.c
@@ -543,8 +543,7 @@
                                           mbedtls_rsa_context *rsa )
 {
     psa_algorithm_t hash_alg = PSA_ALG_RSA_OAEP_GET_HASH( alg );
-    const mbedtls_md_info_t *md_info = mbedtls_md_info_from_psa( hash_alg );
-    mbedtls_md_type_t md_alg = mbedtls_md_get_type( md_info );
+    mbedtls_md_type_t md_alg = mbedtls_hash_info_md_from_psa( hash_alg );
 
     return( mbedtls_rsa_set_padding( rsa, MBEDTLS_RSA_PKCS_V21, md_alg ) );
 }