diff -up nss/lib/ssl/sslsock.c.dc nss/lib/ssl/sslsock.c

--- nss/lib/ssl/sslsock.c.dc	2020-07-29 14:05:10.413370267 +0200

+++ nss/lib/ssl/sslsock.c	2020-07-29 14:06:38.339805833 +0200

@@ -798,7 +798,7 @@ SSL_OptionSet(PRFileDesc *fd, PRInt32 wh

             break;

         case SSL_ENABLE_DELEGATED_CREDENTIALS:

-            ss->opt.enableDelegatedCredentials = val;

+            /* disable it for now */

             break;

         case SSL_ENABLE_NPN:

@@ -1316,7 +1316,7 @@ SSL_OptionSetDefault(PRInt32 which, PRIn

             break;

         case SSL_ENABLE_DELEGATED_CREDENTIALS:

-            ssl_defaults.enableDelegatedCredentials = val;

+            /* disable it for now */

             break;

         case SSL_ENABLE_NPN:

diff -up nss/gtests/ssl_gtest/manifest.mn.dc nss/gtests/ssl_gtest/manifest.mn

--- nss/gtests/ssl_gtest/manifest.mn.dc	2020-07-29 16:46:29.574134443 +0200

+++ nss/gtests/ssl_gtest/manifest.mn	2020-07-29 16:46:35.821094263 +0200

@@ -56,7 +56,6 @@ CPPSRCS = \

       tls_hkdf_unittest.cc \

       tls_filter.cc \

       tls_protect.cc \

-      tls_subcerts_unittest.cc \

       tls_esni_unittest.cc \

       $(SSLKEYLOGFILE_FILES) \

       $(NULL)