diff --git a/includes/Classifai/Features/ContentResizing.php b/includes/Classifai/Features/ContentResizing.php
index e7b42ec90..2b999ecb6 100644
--- a/includes/Classifai/Features/ContentResizing.php
+++ b/includes/Classifai/Features/ContentResizing.php
@@ -32,7 +32,7 @@ public function get_label() {
 	 *
 	 * @return array
 	 */
-	public function get_providers() {
+	protected function get_providers() {
 		return apply_filters(
 			'classifai_' . static::ID . '_providers',
 			[
@@ -171,7 +171,7 @@ public function is_feature_enabled() {
 	 *
 	 * @return array
 	 */
-	public function get_default_settings() {
+	protected function get_default_settings() {
 		return [
 			'status'    => '0',
 			'roles'     => $this->roles,
@@ -205,7 +205,7 @@ public function get_default_settings() {
 	 *
 	 * @return array
 	 */
-	public function sanitize_settings( $new_settings ) {
+	protected function sanitize_settings( $new_settings ) {
 		$settings = $this->get_settings();
 
 		$new_settings['status']   = $new_settings['status'] ?? $settings['status'];
diff --git a/includes/Classifai/Features/ExcerptGeneration.php b/includes/Classifai/Features/ExcerptGeneration.php
index fbf47e17f..e30cbd055 100644
--- a/includes/Classifai/Features/ExcerptGeneration.php
+++ b/includes/Classifai/Features/ExcerptGeneration.php
@@ -171,7 +171,7 @@ public function is_feature_enabled() {
 	 *
 	 * @return array
 	 */
-	public function get_default_settings() {
+	protected function get_default_settings() {
 		return [
 			'status'    => '0',
 			'roles'     => $this->roles,
@@ -198,7 +198,7 @@ public function get_default_settings() {
 	 *
 	 * @return array
 	 */
-	public function sanitize_settings( $new_settings ) {
+	protected function sanitize_settings( $new_settings ) {
 		$settings = $this->get_settings();
 
 		$new_settings['status']   = $new_settings['status'] ?? $settings['status'];
diff --git a/includes/Classifai/Features/Feature.php b/includes/Classifai/Features/Feature.php
index f0189c658..8e972cf23 100644
--- a/includes/Classifai/Features/Feature.php
+++ b/includes/Classifai/Features/Feature.php
@@ -71,12 +71,15 @@ abstract public function get_label();
 
 	/**
 	 * Set up the fields for each section.
+	 *
+	 * @internal
 	 */
-	abstract public function setup_fields_sections();
+	abstract protected function setup_fields_sections();
 
 	/**
 	 * Returns the default settings for the feature.
 	 *
+	 * @internal
 	 * @return array
 	 */
 	abstract protected function get_default_settings();
@@ -84,6 +87,7 @@ abstract protected function get_default_settings();
 	/**
 	 * Returns the providers supported by the feature.
 	 *
+	 * @internal
 	 * @return array
 	 */
 	abstract protected function get_providers();
@@ -93,6 +97,7 @@ abstract protected function get_providers();
 	 *
 	 * @param array $settings The settings to be sanitized on save.
 	 *
+	 * @internal
 	 * @return array
 	 */
 	abstract protected function sanitize_settings( $settings );
diff --git a/includes/Classifai/Features/TextToSpeech.php b/includes/Classifai/Features/TextToSpeech.php
index f541fb397..cc556d1c5 100644
--- a/includes/Classifai/Features/TextToSpeech.php
+++ b/includes/Classifai/Features/TextToSpeech.php
@@ -35,7 +35,7 @@ public function get_label() {
 	 *
 	 * @return array
 	 */
-	public function get_providers() {
+	protected function get_providers() {
 		return apply_filters(
 			'classifai_' . static::ID . '_providers',
 			[
@@ -184,7 +184,7 @@ protected function get_post_types_select_options() {
 	 *
 	 * @return array
 	 */
-	public function get_default_settings() {
+	protected function get_default_settings() {
 		return [
 			'status'     => '0',
 			'roles'      => $this->roles,
@@ -225,7 +225,7 @@ public function get_tts_supported_post_types() {
 	 *
 	 * @return array
 	 */
-	public function sanitize_settings( $new_settings ) {
+	protected function sanitize_settings( $new_settings ) {
 		$settings = $this->get_settings();
 
 		$new_settings['status']   = $new_settings['status'] ?? $settings['status'];
diff --git a/includes/Classifai/Features/TitleGeneration.php b/includes/Classifai/Features/TitleGeneration.php
index a6b4dbd66..34c19aaf2 100644
--- a/includes/Classifai/Features/TitleGeneration.php
+++ b/includes/Classifai/Features/TitleGeneration.php
@@ -32,7 +32,7 @@ public function get_label() {
 	 *
 	 * @return array
 	 */
-	public function get_providers() {
+	protected function get_providers() {
 		return apply_filters(
 			'classifai_' . static::ID . '_providers',
 			[
@@ -162,7 +162,7 @@ public function is_feature_enabled() {
 	 *
 	 * @return array
 	 */
-	public function get_default_settings() {
+	protected function get_default_settings() {
 		return
 			apply_filters(
 				'classifai_' . static::ID . '_get_default_settings',
@@ -194,7 +194,7 @@ public function get_default_settings() {
 	 *
 	 * @return array
 	 */
-	public function sanitize_settings( $new_settings ) {
+	protected function sanitize_settings( $new_settings ) {
 		$settings = $this->get_settings();
 
 		$new_settings['status']   = $new_settings['status'] ?? $settings['status'];