diff --git a/include/mbedtls/config_psa.h b/include/mbedtls/config_psa.h
index e17905db3..8dc396a75 100644
--- a/include/mbedtls/config_psa.h
+++ b/include/mbedtls/config_psa.h
@@ -341,7 +341,6 @@ extern "C" {
 #define MBEDTLS_RSA_C
 #define MBEDTLS_BIGNUM_C
 #define MBEDTLS_OID_C
-#define MBEDTLS_GENPRIME
 #define MBEDTLS_PK_PARSE_C
 #define MBEDTLS_PK_WRITE_C
 #define MBEDTLS_PK_C