diff --git a/src/Builder/BuilderCollection.php b/src/Builder/BuilderCollection.php
index b3e5f1d..0997971 100644
--- a/src/Builder/BuilderCollection.php
+++ b/src/Builder/BuilderCollection.php
@@ -15,7 +15,6 @@ declare(strict_types=1);
 namespace Ramsey\Uuid\Builder;
 
 use Ramsey\Collection\AbstractCollection;
-use Ramsey\Collection\CollectionInterface;
 use Ramsey\Uuid\Converter\Number\GenericNumberConverter;
 use Ramsey\Uuid\Converter\Time\GenericTimeConverter;
 use Ramsey\Uuid\Converter\Time\PhpTimeConverter;
@@ -28,7 +27,7 @@ use Traversable;
 /**
  * A collection of UuidBuilderInterface objects
  */
-class BuilderCollection extends AbstractCollection implements CollectionInterface
+class BuilderCollection extends AbstractCollection
 {
     public function getType(): string
     {
diff --git a/src/Builder/DefaultUuidBuilder.php b/src/Builder/DefaultUuidBuilder.php
index 2af4e86..7c4a6f8 100644
--- a/src/Builder/DefaultUuidBuilder.php
+++ b/src/Builder/DefaultUuidBuilder.php
@@ -21,6 +21,6 @@ use Ramsey\Uuid\Rfc4122\UuidBuilder as Rfc4122UuidBuilder;
  *
  * @psalm-immutable
  */
-class DefaultUuidBuilder extends Rfc4122UuidBuilder implements UuidBuilderInterface
+class DefaultUuidBuilder extends Rfc4122UuidBuilder
 {
 }
diff --git a/src/Guid/Guid.php b/src/Guid/Guid.php
index 08a0069..b3ed096 100644
--- a/src/Guid/Guid.php
+++ b/src/Guid/Guid.php
@@ -18,7 +18,6 @@ use Ramsey\Uuid\Codec\CodecInterface;
 use Ramsey\Uuid\Converter\NumberConverterInterface;
 use Ramsey\Uuid\Converter\TimeConverterInterface;
 use Ramsey\Uuid\Uuid;
-use Ramsey\Uuid\UuidInterface;
 
 /**
  * Guid represents a UUID with "native" (little-endian) byte order
@@ -49,7 +48,7 @@ use Ramsey\Uuid\UuidInterface;
  *
  * @psalm-immutable
  */
-final class Guid extends Uuid implements UuidInterface
+final class Guid extends Uuid
 {
     public function __construct(
         Fields $fields,
diff --git a/src/Nonstandard/Uuid.php b/src/Nonstandard/Uuid.php
index 5a7a333..715f825 100644
--- a/src/Nonstandard/Uuid.php
+++ b/src/Nonstandard/Uuid.php
@@ -18,14 +18,13 @@ use Ramsey\Uuid\Codec\CodecInterface;
 use Ramsey\Uuid\Converter\NumberConverterInterface;
 use Ramsey\Uuid\Converter\TimeConverterInterface;
 use Ramsey\Uuid\Uuid as BaseUuid;
-use Ramsey\Uuid\UuidInterface;
 
 /**
  * Nonstandard\Uuid is a UUID that doesn't conform to RFC 4122
  *
  * @psalm-immutable
  */
-final class Uuid extends BaseUuid implements UuidInterface
+final class Uuid extends BaseUuid
 {
     public function __construct(
         Fields $fields,
diff --git a/src/Provider/Node/NodeProviderCollection.php b/src/Provider/Node/NodeProviderCollection.php
index 89d0917..c49398e 100644
--- a/src/Provider/Node/NodeProviderCollection.php
+++ b/src/Provider/Node/NodeProviderCollection.php
@@ -15,14 +15,13 @@ declare(strict_types=1);
 namespace Ramsey\Uuid\Provider\Node;
 
 use Ramsey\Collection\AbstractCollection;
-use Ramsey\Collection\CollectionInterface;
 use Ramsey\Uuid\Provider\NodeProviderInterface;
 use Ramsey\Uuid\Type\Hexadecimal;
 
 /**
  * A collection of NodeProviderInterface objects
  */
-class NodeProviderCollection extends AbstractCollection implements CollectionInterface
+class NodeProviderCollection extends AbstractCollection
 {
     public function getType(): string
     {