diff --git a/src/bin/pgbench/pgbench.c b/src/bin/pgbench/pgbench.c
index bca136bdd5..6d895968fe 100644
--- a/src/bin/pgbench/pgbench.c
+++ b/src/bin/pgbench/pgbench.c
@@ -6538,7 +6538,11 @@ main(int argc, char **argv)
 			bench_start = thread->bench_start;
 	}
 
-	/* XXX should this be connection time? */
+	/*
+	 * All connections should be already closed in threadRun(), so this
+	 * disconnect_all() will be a no-op, but clean up the connecions just
+	 * to be sure.
+	 */
 	disconnect_all(state, nclients);
 
 	/*
@@ -6827,9 +6831,7 @@ threadRun(void *arg)
 	}
 
 done:
-	start = pg_time_now();
 	disconnect_all(state, nstate);
-	thread->conn_duration += pg_time_now() - start;
 
 	if (thread->logfile)
 	{