diff --git a/internal/test/helpers.go b/internal/test/helpers.go
index e3fded66e..99d7c49b8 100644
--- a/internal/test/helpers.go
+++ b/internal/test/helpers.go
@@ -164,10 +164,10 @@ func isFile(fi os.FileInfo) bool {
 	return fi.Mode()&(os.ModeType|os.ModeCharDevice) == 0
 }
 
-// ResetReadOnly recursively resets the read-only flag recursively for dir.
+// resetReadOnly recursively resets the read-only flag recursively for dir.
 // This is mainly used for tests on Windows, which is unable to delete a file
 // set read-only.
-func ResetReadOnly(t testing.TB, dir string) {
+func resetReadOnly(t testing.TB, dir string) {
 	t.Helper()
 	err := filepath.Walk(dir, func(path string, fi os.FileInfo, err error) error {
 		if fi == nil {
@@ -194,7 +194,7 @@ func ResetReadOnly(t testing.TB, dir string) {
 // afterwards uses os.RemoveAll() to remove the path.
 func RemoveAll(t testing.TB, path string) {
 	t.Helper()
-	ResetReadOnly(t, path)
+	resetReadOnly(t, path)
 	err := os.RemoveAll(path)
 	if errors.Is(err, os.ErrNotExist) {
 		err = nil
diff --git a/internal/test/vars.go b/internal/test/vars.go
index b6b76541e..f3c740d46 100644
--- a/internal/test/vars.go
+++ b/internal/test/vars.go
@@ -14,11 +14,8 @@ var (
 	RunIntegrationTest          = getBoolVar("RESTIC_TEST_INTEGRATION", true)
 	RunFuseTest                 = getBoolVar("RESTIC_TEST_FUSE", true)
 	TestSFTPPath                = getStringVar("RESTIC_TEST_SFTPPATH", "/usr/lib/ssh:/usr/lib/openssh:/usr/libexec")
-	TestWalkerPath              = getStringVar("RESTIC_TEST_PATH", ".")
 	BenchArchiveDirectory       = getStringVar("RESTIC_BENCH_DIR", ".")
-	TestS3Server                = getStringVar("RESTIC_TEST_S3_SERVER", "")
-	TestRESTServer              = getStringVar("RESTIC_TEST_REST_SERVER", "")
-	TestIntegrationDisallowSkip = getStringVar("RESTIC_TEST_DISALLOW_SKIP", "")
+	testIntegrationDisallowSkip = getStringVar("RESTIC_TEST_DISALLOW_SKIP", "")
 )
 
 func getStringVar(name, defaultValue string) string {
@@ -49,7 +46,7 @@ func getBoolVar(name string, defaultValue bool) bool {
 // names that must be run. If name is in this list, the test is marked as
 // failed.
 func SkipDisallowed(t testing.TB, name string) {
-	for _, s := range strings.Split(TestIntegrationDisallowSkip, ",") {
+	for _, s := range strings.Split(testIntegrationDisallowSkip, ",") {
 		if s == name {
 			t.Fatalf("test %v is in list of tests that need to run ($RESTIC_TEST_DISALLOW_SKIP)", name)
 		}