diff --git a/composer.json b/composer.json
index 67508bf..99a38c0 100644
--- a/composer.json
+++ b/composer.json
@@ -14,7 +14,7 @@
 		"lint": "find . -name \\*.php -not -path './vendor/*' -print0 | xargs -0 -n1 php -l",
 		"cs:check": "php-cs-fixer fix --dry-run --diff",
 		"cs:fix": "php-cs-fixer fix",
-		"psalm:check": "psalm.phar --threads=1 --no-cache",
+		"psalm:check": "psalm.phar --threads=1 --no-cache --show-info=true",
 		"psalm:fix": "psalm.phar --no-cache --alter --issues=InvalidReturnType,InvalidNullableReturnType,MissingParamType,InvalidFalsableReturnType"
 	},
 	"config": {
diff --git a/lib/AppInfo/Application.php b/lib/AppInfo/Application.php
index d257f31..8810fbd 100644
--- a/lib/AppInfo/Application.php
+++ b/lib/AppInfo/Application.php
@@ -27,10 +27,11 @@ class Application extends App {
 
 		/** @psalm-suppress DeprecatedInterface */
 		$container = $this->getContainer();
-		$hooks = new Hooks(
-			$container->get(IRootFolder::class),
-			$container->get(IDBConnection::class),
-		);
+		/** @var IRootFolder $rootFolder */
+		$rootFolder = $container->get(IRootFolder::class);
+		/** @var IDBConnection $dbConnection */
+		$dbConnection = $container->get(IDBConnection::class);
+		$hooks = new Hooks($rootFolder, $dbConnection);
 		$hooks->register();
 
 		/** @psalm-suppress DeprecatedMethod */
diff --git a/lib/Db/BookmarkMapper.php b/lib/Db/BookmarkMapper.php
index 479c3a1..d7fea1e 100644
--- a/lib/Db/BookmarkMapper.php
+++ b/lib/Db/BookmarkMapper.php
@@ -57,20 +57,20 @@ class BookmarkMapper extends ReaderMapper {
 	 * @brief write bookmark to database
 	 *
 	 * @param int $fileId
-	 * @param ?string $name
+	 * @param string $name
 	 * @param string $value
 	 * @param ?string $type
 	 * @param ?string $content
 	 *
 	 * @return ReaderEntity the newly created or updated bookmark
 	 */
-	public function set(int $fileId, ?string $name = null, string $value, ?string $type = null, ?string $content = null): ReaderEntity {
+	public function set(int $fileId, string $name, string $value, ?string $type = null, ?string $content = null): ReaderEntity {
 		/** @var Bookmark[] $result */
 		$result = $this->get($fileId, $name);
 
 		if(empty($result)) {
 			// anonymous bookmarks are named after their contents
-			if (null === $name) {
+			if (empty($name)) {
 				$name = $value;
 			}
 
diff --git a/lib/Service/BookmarkService.php b/lib/Service/BookmarkService.php
index eacf74b..45d483d 100644
--- a/lib/Service/BookmarkService.php
+++ b/lib/Service/BookmarkService.php
@@ -54,12 +54,12 @@ class BookmarkService extends Service {
 	 * position type is format-dependent, eg CFI for epub, page number for CBR/CBZ, etc
 	 *
 	 * @param int $fileId
-	 * @param ?string $name
+	 * @param string $name
 	 * @param string $value
 	 * @param ?string $type
 	 * @param ?string $content
 	 */
-	public function set(int $fileId, ?string $name = null, string $value, ?string $type = null, ?string $content = null): ReaderEntity {
+	public function set(int $fileId, string $name, string $value, ?string $type = null, ?string $content = null): ReaderEntity {
 		return $this->bookmarkMapper->set($fileId, $name, $value, $type, $content);
 	}
 
diff --git a/psalm.xml b/psalm.xml
index 50fd490..8b21fed 100644
--- a/psalm.xml
+++ b/psalm.xml
@@ -2,6 +2,8 @@
 <psalm
     errorLevel="2"
     resolveFromConfigFile="true"
+    findUnusedBaselineEntry="true"
+    findUnusedCode="false"
     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
     xmlns="https://getpsalm.org/schema/config"
     xsi:schemaLocation="https://getpsalm.org/schema/config vendor/vimeo/psalm/config.xsd"