diff --git a/Exception/MaxWaitDurationExceededException.php b/Exception/MaxWaitDurationExceededException.php
index 53029ac..4c18f6e 100644
--- a/Exception/MaxWaitDurationExceededException.php
+++ b/Exception/MaxWaitDurationExceededException.php
@@ -18,7 +18,7 @@
  */
 class MaxWaitDurationExceededException extends \RuntimeException
 {
-    private RateLimit $rateLimit;
+    private $rateLimit;
 
     public function __construct(string $message, RateLimit $rateLimit, int $code = 0, \Throwable $previous = null)
     {
diff --git a/Exception/RateLimitExceededException.php b/Exception/RateLimitExceededException.php
index adbe576..7bf39be 100644
--- a/Exception/RateLimitExceededException.php
+++ b/Exception/RateLimitExceededException.php
@@ -18,7 +18,7 @@
  */
 class RateLimitExceededException extends \RuntimeException
 {
-    private RateLimit $rateLimit;
+    private $rateLimit;
 
     public function __construct(RateLimit $rateLimit, int $code = 0, \Throwable $previous = null)
     {
diff --git a/Policy/ResetLimiterTrait.php b/Policy/ResetLimiterTrait.php
index e060d73..0f236e9 100644
--- a/Policy/ResetLimiterTrait.php
+++ b/Policy/ResetLimiterTrait.php
@@ -11,13 +11,11 @@
 
 namespace Symfony\Component\RateLimiter\Policy;
 
-use Symfony\Component\Lock\LockInterface;
-use Symfony\Component\RateLimiter\Storage\StorageInterface;
 
 trait ResetLimiterTrait
 {
-    private LockInterface $lock;
-    private StorageInterface $storage;
+    private $lock;
+    private $storage;
     private string $id;
 
     /**
diff --git a/Policy/TokenBucket.php b/Policy/TokenBucket.php
index 21fe401..678cd76 100644
--- a/Policy/TokenBucket.php
+++ b/Policy/TokenBucket.php
@@ -22,7 +22,7 @@ final class TokenBucket implements LimiterStateInterface
 {
     private string $stringRate;
     private string $id;
-    private Rate $rate;
+    private $rate;
     private int $tokens;
     private int $burstSize;
     private float $timer;
diff --git a/Policy/TokenBucketLimiter.php b/Policy/TokenBucketLimiter.php
index b5fbb22..60f929c 100644
--- a/Policy/TokenBucketLimiter.php
+++ b/Policy/TokenBucketLimiter.php
@@ -27,7 +27,7 @@ final class TokenBucketLimiter implements LimiterInterface
     use ResetLimiterTrait;
 
     private int $maxBurst;
-    private Rate $rate;
+    private $rate;
 
     public function __construct(string $id, int $maxBurst, Rate $rate, StorageInterface $storage, LockInterface $lock = null)
     {
diff --git a/RateLimiterFactory.php b/RateLimiterFactory.php
index 4fcb25e..ec6d9fd 100644
--- a/RateLimiterFactory.php
+++ b/RateLimiterFactory.php
@@ -28,8 +28,8 @@
 final class RateLimiterFactory
 {
     private array $config;
-    private StorageInterface $storage;
-    private ?LockFactory $lockFactory;
+    private $storage;
+    private $lockFactory;
 
     public function __construct(array $config, StorageInterface $storage, LockFactory $lockFactory = null)
     {
diff --git a/Reservation.php b/Reservation.php
index 9e6029a..d3336ee 100644
--- a/Reservation.php
+++ b/Reservation.php
@@ -17,7 +17,7 @@
 final class Reservation
 {
     private float $timeToAct;
-    private RateLimit $rateLimit;
+    private $rateLimit;
 
     /**
      * @param float $timeToAct Unix timestamp in seconds when this reservation should act
diff --git a/Storage/CacheStorage.php b/Storage/CacheStorage.php
index 60396c8..e822878 100644
--- a/Storage/CacheStorage.php
+++ b/Storage/CacheStorage.php
@@ -19,7 +19,7 @@
  */
 class CacheStorage implements StorageInterface
 {
-    private CacheItemPoolInterface $pool;
+    private $pool;
 
     public function __construct(CacheItemPoolInterface $pool)
     {