diff --git a/library/psa_crypto_rsa.c b/library/psa_crypto_rsa.c
index 22b5f4c..534c716 100644
--- a/library/psa_crypto_rsa.c
+++ b/library/psa_crypto_rsa.c
@@ -241,8 +241,7 @@
 #endif /* defined(MBEDTLS_PSA_BUILTIN_KEY_TYPE_RSA_KEY_PAIR_EXPORT) ||
         * defined(MBEDTLS_PSA_BUILTIN_KEY_TYPE_RSA_PUBLIC_KEY) */
 
-#if defined(MBEDTLS_PSA_BUILTIN_KEY_TYPE_RSA_KEY_PAIR_GENERATE) && \
-    defined(MBEDTLS_GENPRIME)
+#if defined(MBEDTLS_PSA_BUILTIN_KEY_TYPE_RSA_KEY_PAIR_GENERATE)
 static psa_status_t psa_rsa_read_exponent(const uint8_t *domain_parameters,
                                           size_t domain_parameters_size,
                                           int *exponent)
@@ -304,8 +303,7 @@
 
     return status;
 }
-#endif /* defined(MBEDTLS_PSA_BUILTIN_KEY_TYPE_RSA_KEY_PAIR_GENERATE)
-        * defined(MBEDTLS_GENPRIME) */
+#endif /* defined(MBEDTLS_PSA_BUILTIN_KEY_TYPE_RSA_KEY_PAIR_GENERATE) */
 
 /****************************************************************/
 /* Sign/verify hashes */