diff --git a/include/mbedtls/mbedtls_config.h b/include/mbedtls/mbedtls_config.h
index 57dab3f..762ca8b 100644
--- a/include/mbedtls/mbedtls_config.h
+++ b/include/mbedtls/mbedtls_config.h
@@ -350,7 +350,6 @@
  */
 //#define MBEDTLS_TIMING_ALT
 
-//#define MBEDTLS_MD5_ALT
 //#define MBEDTLS_SHA512_ALT
 
 /**
diff --git a/tests/include/alt-dummy/md5_alt.h b/tests/include/alt-dummy/md5_alt.h
deleted file mode 100644
index e3a15d7..0000000
--- a/tests/include/alt-dummy/md5_alt.h
+++ /dev/null
@@ -1,16 +0,0 @@
-/* md5_alt.h with dummy types for MBEDTLS_MD5_ALT */
-/*
- *  Copyright The Mbed TLS Contributors
- *  SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
- */
-
-#ifndef MD5_ALT_H
-#define MD5_ALT_H
-
-typedef struct mbedtls_md5_context {
-    int dummy;
-}
-mbedtls_md5_context;
-
-
-#endif /* md5_alt.h */
diff --git a/tf-psa-crypto/drivers/builtin/include/mbedtls/md5.h b/tf-psa-crypto/drivers/builtin/include/mbedtls/md5.h
index 6bf0754..826cca7 100644
--- a/tf-psa-crypto/drivers/builtin/include/mbedtls/md5.h
+++ b/tf-psa-crypto/drivers/builtin/include/mbedtls/md5.h
@@ -24,10 +24,6 @@
 extern "C" {
 #endif
 
-#if !defined(MBEDTLS_MD5_ALT)
-// Regular implementation
-//
-
 /**
  * \brief          MD5 context structure
  *
@@ -43,10 +39,6 @@
 }
 mbedtls_md5_context;
 
-#else  /* MBEDTLS_MD5_ALT */
-#include "md5_alt.h"
-#endif /* MBEDTLS_MD5_ALT */
-
 /**
  * \brief          Initialize MD5 context
  *
diff --git a/tf-psa-crypto/drivers/builtin/src/md5.c b/tf-psa-crypto/drivers/builtin/src/md5.c
index e4a87a2..e11e078 100644
--- a/tf-psa-crypto/drivers/builtin/src/md5.c
+++ b/tf-psa-crypto/drivers/builtin/src/md5.c
@@ -22,8 +22,6 @@
 
 #include "mbedtls/platform.h"
 
-#if !defined(MBEDTLS_MD5_ALT)
-
 void mbedtls_md5_init(mbedtls_md5_context *ctx)
 {
     memset(ctx, 0, sizeof(mbedtls_md5_context));
@@ -309,8 +307,6 @@
     return ret;
 }
 
-#endif /* !MBEDTLS_MD5_ALT */
-
 /*
  * output = MD5( input buffer )
  */