diff --git a/src/cm_protocol/cs_ssl.c b/src/cm_protocol/cs_ssl.c
index 8f98297c2e7b8b7911a70dcde2dfe89e071ffee5..5340abae4945961f5b1a5209760a72d56712976e 100644
--- a/src/cm_protocol/cs_ssl.c
+++ b/src/cm_protocol/cs_ssl.c
@@ -66,7 +66,6 @@ const char *g_ssl_default_cipher_list = "ECDHE-ECDSA-AES256-GCM-SHA384:"
 const char *g_ssl_tls13_default_cipher_list = "TLS_AES_256_GCM_SHA384:"
                                               "TLS_CHACHA20_POLY1305_SHA256:"
                                               "TLS_AES_128_GCM_SHA256:"
-                                              "TLS_AES_128_CCM_8_SHA256:"
                                               "TLS_AES_128_CCM_SHA256";
 
 const char *g_ssl_cipher_names[] = {
@@ -85,7 +84,6 @@ const char *g_ssl_tls13_cipher_names[] = {
     "TLS_AES_256_GCM_SHA384",
     "TLS_CHACHA20_POLY1305_SHA256",
     "TLS_AES_128_GCM_SHA256",
-    "TLS_AES_128_CCM_8_SHA256",
     "TLS_AES_128_CCM_SHA256",
     // TERM
     NULL