diff --git a/tests/test_runner.sh b/tests/test_runner.sh
index a93654b3721..8f89e73c716 100755
--- a/tests/test_runner.sh
+++ b/tests/test_runner.sh
@@ -7,16 +7,10 @@ cd "$(dirname "$(readlink -f "$BASH_SOURCE")")"
 # labels than /tmp, which is often on tmpfs.
 export TMPDIR=${TMPDIR:-/var/tmp}
 
-# Load the helpers.
-. helpers.bash
-
 function execute() {
 	>&2 echo "++ $@"
 	eval "$@"
 }
 
-# Tests to run. Defaults to all.
-TESTS=${@:-.}
-
 # Run the tests.
-execute time bats --tap $TESTS
+execute time bats --tap "${@:-.}"