diff --git a/src/AnimeClient/API/Enum/AnimeWatchingStatus/Kitsu.php b/src/AnimeClient/API/Enum/AnimeWatchingStatus/Kitsu.php
index 09cdf6ab..9ca49eeb 100644
--- a/src/AnimeClient/API/Enum/AnimeWatchingStatus/Kitsu.php
+++ b/src/AnimeClient/API/Enum/AnimeWatchingStatus/Kitsu.php
@@ -22,9 +22,9 @@ use Aviat\Ion\Enum;
  * Possible values for watching status for the current anime
  */
 final class Kitsu extends Enum {
-	public const WATCHING = 'current';
-	public const PLAN_TO_WATCH = 'planned';
-	public const ON_HOLD = 'on_hold';
-	public const DROPPED = 'dropped';
-	public const COMPLETED = 'completed';
+	public const WATCHING = 'CURRENT';
+	public const PLAN_TO_WATCH = 'PLANNED';
+	public const ON_HOLD = 'ON_HOLD';
+	public const DROPPED = 'DROPPED';
+	public const COMPLETED = 'COMPLETED';
 }
\ No newline at end of file
diff --git a/src/AnimeClient/Kitsu.php b/src/AnimeClient/Kitsu.php
index 09514338..98dcbba0 100644
--- a/src/AnimeClient/Kitsu.php
+++ b/src/AnimeClient/Kitsu.php
@@ -42,8 +42,8 @@ final class Kitsu {
 	/**
 	 * Determine whether an anime is airing, finished airing, or has not yet aired
 	 *
-	 * @param string $startDate
-	 * @param string $endDate
+	 * @param string|null $startDate
+	 * @param string|null $endDate
 	 * @return string
 	 */
 	public static function getAiringStatus(string $startDate = NULL, string $endDate = NULL): string
@@ -158,50 +158,6 @@ final class Kitsu {
 		return $output;
 	}
 
-	/**
-	 * Reorganize streaming links
-	 *
-	 * @param array $included
-	 * @return array
-	 */
-	public static function oldParseStreamingLinks(array $included): array
-	{
-		if (
-			( ! array_key_exists('streamingLinks', $included)) ||
-			count($included['streamingLinks']) === 0
-		)
-		{
-			return [];
-		}
-
-		$links = [];
-
-		foreach ($included['streamingLinks'] as $streamingLink)
-		{
-			$url = $streamingLink['url'];
-
-			// 'Fix' links that start with the hostname,
-			// rather than a protocol
-			if (strpos($url, '//') === FALSE)
-			{
-				$url = '//' . $url;
-			}
-
-			$host = parse_url($url, \PHP_URL_HOST);
-
-			$links[] = [
-				'meta' => static::getServiceMetaData($host),
-				'link' => $streamingLink['url'],
-				'subs' => $streamingLink['subs'],
-				'dubs' => $streamingLink['dubs']
-			];
-		}
-
-		usort($links, fn ($a, $b) => $a['meta']['name'] <=> $b['meta']['name']);
-
-		return $links;
-	}
-
 	/**
 	 * Reorganize streaming links
 	 *
@@ -243,49 +199,6 @@ final class Kitsu {
 		return $links;
 	}
 
-	/**
-	 * Reorganize streaming links for the current list item
-	 *
-	 * @param array $included
-	 * @param string $animeId
-	 * @return array
-	 */
-	public static function parseListItemStreamingLinks(array $included, string $animeId): array
-	{
-		// Anime lists have a different structure to search through
-		if (array_key_exists('anime', $included) && ! array_key_exists('streamingLinks', $included))
-		{
-			$links = [];
-			$anime = $included['anime'][$animeId];
-
-			if (count($anime['relationships']['streamingLinks']) > 0)
-			{
-				return static::oldParseStreamingLinks($anime['relationships']);
-			}
-
-			return $links;
-		}
-
-		return [];
-	}
-
-	/**
-	 * Get the list of titles
-	 *
-	 * @param array $data
-	 * @return array
-	 */
-	public static function oldGetTitles(array $data): array
-	{
-		$raw = array_unique([
-			$data['canonicalTitle'],
-			...array_values($data['titles']),
-			...array_values($data['abbreviatedTitles'] ?? []),
-		]);
-
-		return array_diff($raw,[$data['canonicalTitle']]);
-	}
-
 	/**
 	 * Get the list of titles
 	 *
@@ -297,37 +210,11 @@ final class Kitsu {
 		$raw = array_unique([
 			$titles['canonical'],
 			...array_values($titles['localized']),
-			// ...array_values($data['abbreviatedTitles'] ?? []),
 		]);
 
 		return array_diff($raw,[$titles['canonical']]);
 	}
 
-	/**
-	 * Filter out duplicate and very similar names from
-	 *
-	 * @param array $data The 'attributes' section of the api data response
-	 * @return array List of alternate titles
-	 */
-	public static function filterTitles(array $data): array
-	{
-		// The 'canonical' title is always returned
-		$valid = [$data['canonicalTitle']];
-
-		if (array_key_exists('titles', $data) && is_array($data['titles']))
-		{
-			foreach($data['titles'] as $alternateTitle)
-			{
-				if (self::titleIsUnique($alternateTitle, $valid))
-				{
-					$valid[] = $alternateTitle;
-				}
-			}
-		}
-
-		return $valid;
-	}
-
 	/**
 	 * Filter out duplicate and very similar titles from a GraphQL response
 	 *
diff --git a/src/AnimeClient/Model/Anime.php b/src/AnimeClient/Model/Anime.php
index 143f8314..fbae9f3f 100644
--- a/src/AnimeClient/Model/Anime.php
+++ b/src/AnimeClient/Model/Anime.php
@@ -42,7 +42,7 @@ class Anime extends API {
 	 * @param string $status
 	 * @return array
 	 */
-	public function getList($status): array
+	public function getList(string $status): array
 	{
 		$data = $this->kitsuModel->getAnimeList($status);
 		$this->sortByName($data, 'anime');
diff --git a/src/AnimeClient/Model/Manga.php b/src/AnimeClient/Model/Manga.php
index d7e81d1d..1784305b 100644
--- a/src/AnimeClient/Model/Manga.php
+++ b/src/AnimeClient/Model/Manga.php
@@ -38,7 +38,7 @@ class Manga extends API {
 	 * @param string $status
 	 * @return array
 	 */
-	public function getList($status): array
+	public function getList(string $status): array
 	{
 		if ($status === 'All')
 		{
@@ -63,7 +63,7 @@ class Manga extends API {
 	 * @param string $manga_id
 	 * @return MangaPage
 	 */
-	public function getManga($manga_id): MangaPage
+	public function getManga(string $manga_id): MangaPage
 	{
 		return $this->kitsuModel->getManga($manga_id);
 	}
@@ -105,7 +105,7 @@ class Manga extends API {
 			Title::COMPLETED => [],
 		];
 
-		foreach ($data as &$entry) {
+		foreach ($data as $entry) {
 			$statusMap = MangaReadingStatus::KITSU_TO_TITLE;
 			$key = $statusMap[$entry['reading_status']];
 			$output[$key][] = $entry;