diff --git a/src/EventsList.php b/src/EventsList.php
index 241eb8c..cb00ec2 100644
--- a/src/EventsList.php
+++ b/src/EventsList.php
@@ -14,8 +14,6 @@ class EventsList extends ArrayObject {
 
 	/**
 	 * Return array of Events
-	 *
-	 * @return array
 	 */
 	public function getArrayCopy(): array {
 		return array_values(parent::getArrayCopy());
@@ -23,8 +21,6 @@ public function getArrayCopy(): array {
 
 	/**
 	 * Return sorted EventList (the newest dates are first)
-	 *
-	 * @return $this
 	 */
 	public function sorted(): EventsList {
 		$this->uasort(static function ($a, $b): int {
@@ -39,8 +35,6 @@ public function sorted(): EventsList {
 
 	/**
 	 * Return reversed sorted EventList (the oldest dates are first)
-	 *
-	 * @return $this
 	 */
 	public function reversed(): EventsList {
 		$this->uasort(static function ($a, $b): int {
diff --git a/src/Freq.php b/src/Freq.php
index 892d8c9..b528a7d 100644
--- a/src/Freq.php
+++ b/src/Freq.php
@@ -35,8 +35,6 @@
  * @license http://creativecommons.org/licenses/by-sa/2.5/dk/deed.en_GB CC-BY-SA-DK
  */
 class Freq {
-
-	/** @var bool */
 	public static bool $debug = false;
 
 	protected array $weekdays = [
@@ -56,7 +54,7 @@ class Freq {
 		'yearday',
 		'hour',
 		'minute',
-	]; //others : 'setpos', 'second'
+	]; // others: 'setpos', 'second'
 
 	protected array $ruleModifiers = ['wkst'];
 	protected bool $simpleMode = true;
@@ -73,8 +71,7 @@ class Freq {
 	/**
 	 * Constructs a new Frequency-rule
 	 *
-	 * @param array|string $rule
-	 * @param int $start Unix-timestamp (important : Need to be the start of Event)
+	 * @param int $start Unix-timestamp (important: Need to be the start of Event)
 	 * @param array $excluded of int (timestamps), see EXDATE documentation
 	 * @param array $added of int (timestamps), see RDATE documentation
 	 * @throws Exception
@@ -188,8 +185,6 @@ private function isPrerule(string $rule, string $freq): bool {
 	 * If no new timestamps were found in the period, we try in the
 	 * next period
 	 *
-	 * @param int $offset
-	 * @return int|bool
 	 * @throws Exception
 	 */
 	public function findNext(int $offset): bool|int {
@@ -295,11 +290,6 @@ public function findNext(int $offset): bool|int {
 	/**
 	 * Finds the starting point for the next rule. It goes $interval
 	 * 'freq' forward in time since the given offset
-	 *
-	 * @param int $offset
-	 * @param int $interval
-	 * @param boolean $truncate
-	 * @return int
 	 */
 	private function findStartingPoint(int $offset, int $interval, bool $truncate = true): int {
 		$_freq = ($this->freq === 'daily') ? 'day__' : $this->freq;
@@ -325,10 +315,6 @@ private function findStartingPoint(int $offset, int $interval, bool $truncate =
 	 * period specified by freq
 	 *
 	 * Yes - the fall-through is on purpose!
-	 *
-	 * @param int $time
-	 * @param string $freq
-	 * @return int
 	 */
 	private function truncateToPeriod(int $time, string $freq): int {
 		$date = getdate($time);
@@ -410,9 +396,6 @@ private function validDate($t): bool {
 
 	/**
 	 * Finds the earliest timestamp possible outside this period.
-	 *
-	 * @param int $offset
-	 * @return int
 	 */
 	public function findEndOfPeriod(int $offset = 0): int {
 		return $this->findStartingPoint($offset, 1, false);
@@ -494,7 +477,6 @@ public function lastOccurrence(): int {
 	/**
 	 * Returns all timestamps array(), build the cache if not made before
 	 *
-	 * @return array
 	 * @throws Exception
 	 */
 	public function getAllOccurrences(): array {
@@ -519,10 +501,6 @@ public function getAllOccurrences(): array {
 
 	/**
 	 * Applies the BYDAY rule to the given timestamp
-	 *
-	 * @param string $rule
-	 * @param int $t
-	 * @return int
 	 */
 	private function ruleByDay(string $rule, int $t): int {
 		$dir = ($rule[0] === '-') ? -1 : 1;
diff --git a/src/IcalParser.php b/src/IcalParser.php
index 282deef..7c43442 100644
--- a/src/IcalParser.php
+++ b/src/IcalParser.php
@@ -17,17 +17,9 @@
  * @author Roman Ožana <roman@ozana.cz>
  */
 class IcalParser {
-
-	/** @var ?DateTimeZone */
 	public ?DateTimeZone $timezone = null;
-
-	/** @var array|null */
 	public ?array $data = null;
-
-	/** @var array */
 	protected array $counters = [];
-
-	/** @var array */
 	private array $windowsTimezones;
 
 	public function __construct() {
@@ -35,12 +27,9 @@ public function __construct() {
 	}
 
 	/**
-	 * @param string $file
-	 * @param callable|null $callback
-	 * @return array|null
 	 * @throws Exception
 	 */
-	public function parseFile(string $file, callable $callback = null): ?array {
+	public function parseFile(string $file, ?callable $callback = null): ?array {
 		if (!$handle = fopen($file, 'rb')) {
 			throw new RuntimeException('Can\'t open file' . $file . ' for reading.');
 		}
@@ -50,13 +39,10 @@ public function parseFile(string $file, callable $callback = null): ?array {
 	}
 
 	/**
-	 * @param string $string
-	 * @param callable|null $callback
 	 * @param boolean $add if true the parsed string is added to existing data
-	 * @return array|null
 	 * @throws Exception
 	 */
-	public function parseString(string $string, callable $callback = null, bool $add = false): ?array {
+	public function parseString(string $string, ?callable $callback = null, bool $add = false): ?array {
 		if ($add === false) {
 			// delete old data
 			$this->data = [];
diff --git a/src/Recurrence.php b/src/Recurrence.php
index 7010257..fdf4c1b 100644
--- a/src/Recurrence.php
+++ b/src/Recurrence.php
@@ -38,8 +38,6 @@ class Recurrence {
 	protected mixed $wkst;
 	/**
 	 * A list of the properties that can have comma-separated lists for values.
-	 *
-	 * @var array
 	 */
 	protected array $listProperties = [
 		'bysecond', 'byminute', 'byhour', 'byday', 'bymonthday',
@@ -59,8 +57,6 @@ public function __construct(array $rrule) {
 	/**
 	 * Parses an 'RRULE' array and sets the member variables of this object.
 	 * Expects a string that looks like this:  'FREQ=WEEKLY;INTERVAL=2;BYDAY=SU,TU,WE'
-	 *
-	 * @param array $rrule
 	 */
 	protected function parseRrule(array $rrule): void {
 		$this->rrule = $rrule;