diff --git a/t/lib/QA/TemplateFilters.pm b/t/lib/QA/TemplateFilters.pm
index 4efa714c37..d341d72199 100644
--- a/t/lib/QA/TemplateFilters.pm
+++ b/t/lib/QA/TemplateFilters.pm
@@ -30,6 +30,7 @@ our @tt_directives = (
 
 our @tt_methods = (
     qr{\.push\(},
+    qr{\.delete\(},
 );
 
 sub fix_filters {
diff --git a/t/template_filters.t b/t/template_filters.t
index b479faa292..ffc86843e8 100755
--- a/t/template_filters.t
+++ b/t/template_filters.t
@@ -307,10 +307,12 @@ subtest 'Do not escape TT methods' => sub {
     plan tests => 2;
     my $input = <<INPUT;
 [% my_array.push(a_var) %]
+[% my_hash.delete(a_key) %]
 INPUT
 
     my $expected = <<EXPECTED;
 [% my_array.push(a_var) %]
+[% my_hash.delete(a_key) %]
 EXPECTED
 
     my $new_content = t::lib::QA::TemplateFilters::fix_filters($input);