diff --git a/programs/ssl/ssl_client2.c b/programs/ssl/ssl_client2.c
index dcf3087..eb47af1 100644
--- a/programs/ssl/ssl_client2.c
+++ b/programs/ssl/ssl_client2.c
@@ -466,10 +466,6 @@
     USAGE_SERIALIZATION                                                       \
     " acceptable ciphersuite names:\n"
 
-#define ALPN_LIST_SIZE    10
-#define CURVE_LIST_SIZE   25
-#define SIG_ALG_LIST_SIZE  5
-
 /*
  * global options
  */
@@ -1530,7 +1526,7 @@
                          curve_cur++) {
                         mbedtls_printf("%s ", curve_cur->name);
                     }
-                    uint16_t *supported_ffdh_group = mbedtls_ssl_ffdh_supported_groups();
+                    const uint16_t *supported_ffdh_group = mbedtls_ssl_ffdh_supported_groups();
                     while (*supported_ffdh_group != 0) {
                         mbedtls_printf("%s ",
                                        mbedtls_ssl_ffdh_name_from_group(*supported_ffdh_group));