diff --git a/tf-psa-crypto/drivers/builtin/src/aes.c b/tf-psa-crypto/drivers/builtin/src/aes.c
index 40370c2..0f96db0 100644
--- a/tf-psa-crypto/drivers/builtin/src/aes.c
+++ b/tf-psa-crypto/drivers/builtin/src/aes.c
@@ -841,7 +841,6 @@
                AES_RT3(MBEDTLS_BYTE_3(Y0));     \
     } while (0)
 
-#if !defined(MBEDTLS_AES_USE_HARDWARE_ONLY)
 /*
  * AES-ECB block encryption
  */
@@ -965,7 +964,6 @@
     return 0;
 }
 #endif /* !MBEDTLS_BLOCK_CIPHER_NO_DECRYPT */
-#endif /* !MBEDTLS_AES_USE_HARDWARE_ONLY */
 
 /*
  * Our intrinsics-based implementation of AESNI requires the round keys to be