diff --git a/src/Component/Checker/ClaimCheckerManager.php b/src/Component/Checker/ClaimCheckerManager.php
index adadd174..c457542f 100644
--- a/src/Component/Checker/ClaimCheckerManager.php
+++ b/src/Component/Checker/ClaimCheckerManager.php
@@ -28,7 +28,7 @@ class ClaimCheckerManager
      *
      * @param ClaimChecker[] $checkers
      */
-    private function __construct(array $checkers)
+    public function __construct(array $checkers)
     {
         foreach ($checkers as $checker) {
             $this->add($checker);
@@ -39,6 +39,8 @@ private function __construct(array $checkers)
      * This method creates the ClaimCheckerManager.
      * The argument is a list of claim checkers objects.
      *
+     * @deprecated Will be removed in v2.0. Please use constructor instead
+     *
      * @param ClaimChecker[] $checkers
      *
      * @return ClaimCheckerManager
diff --git a/src/Component/Checker/HeaderCheckerManager.php b/src/Component/Checker/HeaderCheckerManager.php
index 36f875b9..11f8fa76 100644
--- a/src/Component/Checker/HeaderCheckerManager.php
+++ b/src/Component/Checker/HeaderCheckerManager.php
@@ -33,7 +33,7 @@ class HeaderCheckerManager
      * @param HeaderChecker[]    $checkers
      * @param TokenTypeSupport[] $tokenTypes
      */
-    private function __construct(array $checkers, array $tokenTypes)
+    public function __construct(array $checkers, array $tokenTypes)
     {
         foreach ($checkers as $checker) {
             $this->add($checker);
@@ -49,6 +49,8 @@ private function __construct(array $checkers, array $tokenTypes)
      * The second argument is a list of token type support objects.
      * It is recommended to support only one token type per manager.
      *
+     * @deprecated Will be removed in v2.0. Please use constructor instead
+     *
      * @param HeaderChecker[]    $checkers
      * @param TokenTypeSupport[] $tokenTypes
      *
diff --git a/src/Component/Core/AlgorithmManager.php b/src/Component/Core/AlgorithmManager.php
index 1dac61d9..88beee41 100644
--- a/src/Component/Core/AlgorithmManager.php
+++ b/src/Component/Core/AlgorithmManager.php
@@ -25,7 +25,7 @@ class AlgorithmManager
      *
      * @param Algorithm[] $algorithms
      */
-    private function __construct(array $algorithms)
+    public function __construct(array $algorithms)
     {
         foreach ($algorithms as $algorithm) {
             $this->add($algorithm);
@@ -35,6 +35,8 @@ private function __construct(array $algorithms)
     /**
      * This method creates an alogithm manager using the given algorithms.
      *
+     * @deprecated Will be removed in v2.0. Please use constructor instead
+     *
      * @param Algorithm[] $algorithms
      *
      * @return AlgorithmManager
diff --git a/src/Component/Encryption/Serializer/JWESerializerManager.php b/src/Component/Encryption/Serializer/JWESerializerManager.php
index 8068a69f..0717344d 100644
--- a/src/Component/Encryption/Serializer/JWESerializerManager.php
+++ b/src/Component/Encryption/Serializer/JWESerializerManager.php
@@ -27,7 +27,7 @@ class JWESerializerManager
      *
      * @param JWESerializer[] $serializers
      */
-    private function __construct(array $serializers)
+    public function __construct(array $serializers)
     {
         foreach ($serializers as $serializer) {
             $this->add($serializer);
@@ -37,6 +37,8 @@ private function __construct(array $serializers)
     /**
      * Creates a serializer manager using the given serializers.
      *
+     * @deprecated Will be removed in v2.0. Please use constructor instead
+     *
      * @param JWESerializer[] $serializers
      *
      * @return JWESerializerManager
diff --git a/src/Component/Signature/Serializer/JWSSerializerManager.php b/src/Component/Signature/Serializer/JWSSerializerManager.php
index bfe0f683..198dfd1c 100644
--- a/src/Component/Signature/Serializer/JWSSerializerManager.php
+++ b/src/Component/Signature/Serializer/JWSSerializerManager.php
@@ -27,7 +27,7 @@ class JWSSerializerManager
      *
      * @param JWSSerializer[] $serializers
      */
-    private function __construct(array $serializers)
+    public function __construct(array $serializers)
     {
         foreach ($serializers as $serializer) {
             $this->add($serializer);
@@ -35,6 +35,8 @@ private function __construct(array $serializers)
     }
 
     /**
+     * @deprecated Will be removed in v2.0. Please use constructor instead
+     *
      * @param JWSSerializer[] $serializers
      *
      * @return JWSSerializerManager