diff --git a/include/psa/crypto_values.h b/include/psa/crypto_values.h
index 722f5ba..5fba538 100644
--- a/include/psa/crypto_values.h
+++ b/include/psa/crypto_values.h
@@ -713,12 +713,6 @@
      1u << PSA_GET_KEY_TYPE_BLOCK_SIZE_EXPONENT(type) :                         \
      0u)
 
-/** An invalid algorithm identifier value.
- *
- * Zero is not the encoding of any algorithm.
- */
-#define PSA_ALG_NONE                            ((psa_algorithm_t)0)
-
 /** Vendor-defined algorithm flag.
  *
  * Algorithms defined by this standard will never have the #PSA_ALG_VENDOR_FLAG
@@ -1940,10 +1934,10 @@
  * \return The underlying hash algorithm if alg is a composite algorithm that
  * uses a hash algorithm.
  *
- * \return #PSA_ALG_NONE if alg is not a composite algorithm that uses a hash.
+ * \return \c 0 if alg is not a composite algorithm that uses a hash.
  */
 #define PSA_ALG_GET_HASH(alg) \
-        (((alg) & 0x000000ff) == 0 ? PSA_ALG_NONE : 0x02000000 | ((alg) & 0x000000ff))
+        (((alg) & 0x000000ff) == 0 ? ((psa_algorithm_t)0) : 0x02000000 | ((alg) & 0x000000ff))
 
 /**@}*/
 
diff --git a/programs/psa/psa_constant_names_generated.c b/programs/psa/psa_constant_names_generated.c
index 63c79ee..34919df 100644
--- a/programs/psa/psa_constant_names_generated.c
+++ b/programs/psa/psa_constant_names_generated.c
@@ -223,7 +223,6 @@
     case PSA_ALG_MD2: append(&buffer, buffer_size, &required_size, "PSA_ALG_MD2", 11); break;
     case PSA_ALG_MD4: append(&buffer, buffer_size, &required_size, "PSA_ALG_MD4", 11); break;
     case PSA_ALG_MD5: append(&buffer, buffer_size, &required_size, "PSA_ALG_MD5", 11); break;
-    case PSA_ALG_NONE: append(&buffer, buffer_size, &required_size, "PSA_ALG_NONE", 12); break;
     case PSA_ALG_OFB: append(&buffer, buffer_size, &required_size, "PSA_ALG_OFB", 11); break;
     case PSA_ALG_PBKDF2_AES_CMAC_PRF_128: append(&buffer, buffer_size, &required_size, "PSA_ALG_PBKDF2_AES_CMAC_PRF_128", 31); break;
     case PSA_ALG_PBKDF2_HMAC_BASE: append(&buffer, buffer_size, &required_size, "PSA_ALG_PBKDF2_HMAC_BASE", 24); break;