diff --git a/mmgen/main_txsign.py b/mmgen/main_txsign.py
index 55e0b181..9d94b49c 100755
--- a/mmgen/main_txsign.py
+++ b/mmgen/main_txsign.py
@@ -25,7 +25,6 @@ from .util import msg, ymsg, suf, die, async_run
 from .subseed import SubSeedIdxRange
 from .color import orange
 
-# -w, --use-wallet-dat (keys from running coin daemon) removed: use walletdump rpc instead
 opts_data = {
 	'sets': [('yes', True, 'quiet', True)],
 	'text': {
diff --git a/mmgen/tx/keys.py b/mmgen/tx/keys.py
index 56c58918..8ddf42d0 100755
--- a/mmgen/tx/keys.py
+++ b/mmgen/tx/keys.py
@@ -41,7 +41,6 @@ def pop_seedfiles(cfg, *, ignore_dfl_wallet=False, empty_ok=False):
 	if not (ret
 			or empty_ok
 			or cfg.mmgen_keys_from_file
-			# or cfg.use_wallet_dat
 			or cfg.keys_from_file):
 		die(1, 'You must specify a seed or key source!')
 	return ret
diff --git a/test/test-release.sh b/test/test-release.sh
index 47c86d61..7348f106 100755
--- a/test/test-release.sh
+++ b/test/test-release.sh
@@ -22,8 +22,8 @@ run_test() {
 
 	while read skip test; do
 		[ "$test" ] || continue
-		echo "${!skips}" | grep -q $skip && continue
-		tests[${#tests[@]}]="$test"
+		echo "${!skips}" | grep -q "\<$skip\>" && continue
+		tests+=("$test")
 	done <<<${!tests_in}
 
 	for test in "${tests[@]}"; do