I would remove the settings for now

includes/class-admin.php

@@ -144,15 +144,6 @@ class Admin {
 				'default'      => array( 'post', 'pages' ),
 			)
 		);
-		// \register_setting(
-		// 	'activitypub',
-		// 	'activitypub_use_secure_mode',
-		// 	array(
-		// 		'type' => 'boolean',
-		// 		'description' => \__( 'Secure mode allows blocking servers from fetching public activities', 'activitypub' ),
-		// 		'default' => 0,
-		// 	)
-		// );
 	}
 
 	public static function schedule_migration() {

templates/settings.php

@@ -171,21 +171,6 @@
 			</tbody>
 		</table>
 
-		<!-- <table class="form-table">
-			<tbody>
-				<tr>
-					<th scope="row">
-						<?php \esc_html_e( 'Secure Mode', 'activitypub' ); ?>
-					</th>
-					<td>
-						<p>
-							<label><input type="checkbox" name="activitypub_use_secure_mode" id="activitypub_use_secure_mode" value="1" <?php echo \checked( '1', \get_option( 'activitypub_use_secure_mode', '0' ) ); ?> /> <?php echo wp_kses( \__( 'In secure mode every ActivityPub request must be signed. This disallows anonymous requests and prevents serving content to servers listed in the Blocklist. WARNING this disallows caching so will affect server performance', 'activitypub' ), 'default' ); ?></label>
-						</p>
-					</td>
-				</tr>
-			</tbody>
-		</table> -->
-
 		<?php \do_settings_fields( 'activitypub', 'server' ); ?>
 
 		<?php \do_settings_sections( 'activitypub' ); ?>