diff --git a/classes/text_filter.php b/classes/text_filter.php
index ea1110f..c844bfb 100644
--- a/classes/text_filter.php
+++ b/classes/text_filter.php
@@ -111,6 +111,8 @@ public function filter_stage_pre_format(string $text, array $options): string {
      * @param string $text
      * @param array $options
      * @return string
+     *
+     * @SuppressWarnings(PHPMD.UnusedFormalParameter)
      */
     public function filter_stage_pre_clean(string $text, array $options): string {
         return $text;
@@ -122,6 +124,8 @@ public function filter_stage_pre_clean(string $text, array $options): string {
      * @param string $text
      * @param array $options
      * @return string
+     *
+     * @SuppressWarnings(PHPMD.UnusedFormalParameter)
      */
     public function filter_stage_post_clean(string $text, array $options): string {
         return $text;
@@ -149,6 +153,8 @@ public function filter_stage_string(string $text, array $options): string {
      * @param string $text The text to filter.
      * @param array $options The filter options.
      * @return string The filtered text for this multilang block.
+     *
+     * @SuppressWarnings(PHPMD.UnusedFormalParameter)
      */
     public function filter($text, array $options = []) {
 
diff --git a/tests/actual_test_cases.php b/tests/actual_test_cases.php
index 318e678..15b146b 100644
--- a/tests/actual_test_cases.php
+++ b/tests/actual_test_cases.php
@@ -27,6 +27,8 @@
  * Returns the actual test cases for the unit tests.
  *
  * @return array of test cases
+ *
+ * @SuppressWarnings(PHPMD.ExcessiveMethodLength)
  */
 function multilang2_actual_test_cases(): array {
     return [