diff --git a/src/bin/initdb/t/001_initdb.pl b/src/bin/initdb/t/001_initdb.pl
index d12be84..85db9ff 100644
--- a/src/bin/initdb/t/001_initdb.pl
+++ b/src/bin/initdb/t/001_initdb.pl
@@ -1,6 +1,7 @@
 use strict;
 use warnings;
 use TestLib;
+use File::Path qw(remove_tree);
 use Test::More tests => 19;
 
 my $tempdir = TestLib::tempdir;
@@ -18,27 +19,27 @@ command_fails([ 'initdb', '-S', "$tempdir/data3" ],
 mkdir "$tempdir/data4" or BAIL_OUT($!);
 command_ok([ 'initdb', "$tempdir/data4" ], 'existing empty data directory');
 
-system_or_bail "rm -rf '$tempdir'/*";
+remove_tree($tempdir, {keep_root => 1});
 
 command_ok([ 'initdb', '-X', "$tempdir/pgxlog", "$tempdir/data" ],
 	'separate xlog directory');
 
-system_or_bail "rm -rf '$tempdir'/*";
+remove_tree($tempdir, {keep_root => 1});
 command_fails(
 	[ 'initdb', "$tempdir/data", '-X', 'pgxlog' ],
 	'relative xlog directory not allowed');
 
-system_or_bail "rm -rf '$tempdir'/*";
+remove_tree($tempdir, {keep_root => 1});
 mkdir "$tempdir/pgxlog";
 command_ok([ 'initdb', '-X', "$tempdir/pgxlog", "$tempdir/data" ],
 	'existing empty xlog directory');
 
-system_or_bail "rm -rf '$tempdir'/*";
+remove_tree($tempdir, {keep_root => 1});
 mkdir "$tempdir/pgxlog";
 mkdir "$tempdir/pgxlog/lost+found";
 command_fails([ 'initdb', '-X', "$tempdir/pgxlog", "$tempdir/data" ],
 	'existing nonempty xlog directory');
 
-system_or_bail "rm -rf '$tempdir'/*";
+remove_tree($tempdir, {keep_root => 1});
 command_ok([ 'initdb', '-T', 'german', "$tempdir/data" ],
 	'select default dictionary');