diff --git a/tests/ssl-opt.sh b/tests/ssl-opt.sh
index 1fe8bae..c8b4207 100755
--- a/tests/ssl-opt.sh
+++ b/tests/ssl-opt.sh
@@ -11727,8 +11727,7 @@
             -c "got a certificate request" \
             -c "client state: MBEDTLS_SSL_CLIENT_CERTIFICATE" \
             -c "client state: MBEDTLS_SSL_CLIENT_CERTIFICATE_VERIFY" \
-            -c "no suitable signature algorithm" \
-            -C "unknown pk type"
+            -c "no suitable signature algorithm"
 
 requires_gnutls_tls1_3
 requires_gnutls_next_no_ticket
@@ -11745,8 +11744,7 @@
             -c "got a certificate request" \
             -c "client state: MBEDTLS_SSL_CLIENT_CERTIFICATE" \
             -c "client state: MBEDTLS_SSL_CLIENT_CERTIFICATE_VERIFY" \
-            -c "no suitable signature algorithm" \
-            -C "unknown pk type"
+            -c "no suitable signature algorithm"
 
 # Test using an opaque private key for client authentication
 requires_openssl_tls1_3
@@ -11999,8 +11997,7 @@
             -c "got a certificate request" \
             -c "client state: MBEDTLS_SSL_CLIENT_CERTIFICATE" \
             -c "client state: MBEDTLS_SSL_CLIENT_CERTIFICATE_VERIFY" \
-            -c "no suitable signature algorithm" \
-            -C "unkown pk type"
+            -c "no suitable signature algorithm"
 
 requires_gnutls_tls1_3
 requires_gnutls_next_no_ticket
@@ -12018,8 +12015,7 @@
             -c "got a certificate request" \
             -c "client state: MBEDTLS_SSL_CLIENT_CERTIFICATE" \
             -c "client state: MBEDTLS_SSL_CLIENT_CERTIFICATE_VERIFY" \
-            -c "no suitable signature algorithm" \
-            -C "unkown pk type"
+            -c "no suitable signature algorithm"
 
 requires_openssl_tls1_3
 requires_config_enabled MBEDTLS_DEBUG_C