diff --git a/tests/cfg/uts-server.cnf b/tests/cfg/uts-server.cnf
index d296573..e442b2c 100644
--- a/tests/cfg/uts-server.cnf
+++ b/tests/cfg/uts-server.cnf
@@ -91,10 +91,6 @@ default_tsa = tsa_config1
 # TSA root directory
 dir		= ./tests/cfg/pki
 
-# The current serial number
-# (mandatory)
-serial		= ./test/tsaserial
-
 # OpenSSL engine to use for signing
 crypto_device	= builtin