diff --git a/libraries/joomla/crypt/cipher/3des.php b/libraries/joomla/crypt/cipher/3des.php
index 2d08b2d5a5207..c5364b967ec3a 100644
--- a/libraries/joomla/crypt/cipher/3des.php
+++ b/libraries/joomla/crypt/cipher/3des.php
@@ -12,7 +12,8 @@
 /**
  * JCrypt cipher for Triple DES encryption, decryption and key generation.
  *
- * @since  12.1
+ * @since       12.1
+ * @deprecated  4.0   Without replacment use JCryptCipherCrypto
  */
 class JCryptCipher3Des extends JCryptCipherMcrypt
 {
diff --git a/libraries/joomla/crypt/cipher/blowfish.php b/libraries/joomla/crypt/cipher/blowfish.php
index d990c233a430a..356b65b6e3e67 100644
--- a/libraries/joomla/crypt/cipher/blowfish.php
+++ b/libraries/joomla/crypt/cipher/blowfish.php
@@ -12,7 +12,8 @@
 /**
  * JCrypt cipher for Blowfish encryption, decryption and key generation.
  *
- * @since  12.1
+ * @since       12.1
+ * @deprecated  4.0   Without replacment use JCryptCipherCrypto
  */
 class JCryptCipherBlowfish extends JCryptCipherMcrypt
 {
diff --git a/libraries/joomla/crypt/cipher/mcrypt.php b/libraries/joomla/crypt/cipher/mcrypt.php
index 159b43acfb4da..c5f6e4ae2b8a3 100644
--- a/libraries/joomla/crypt/cipher/mcrypt.php
+++ b/libraries/joomla/crypt/cipher/mcrypt.php
@@ -12,7 +12,8 @@
 /**
  * JCrypt cipher for mcrypt algorithm encryption, decryption and key generation.
  *
- * @since  12.1
+ * @since       12.1
+ * @deprecated  4.0   Without replacment use JCryptCipherCrypto
  */
 abstract class JCryptCipherMcrypt implements JCryptCipher
 {
diff --git a/libraries/joomla/crypt/cipher/rijndael256.php b/libraries/joomla/crypt/cipher/rijndael256.php
index 9e5f4ebc0dd45..678fadcf4ddc7 100644
--- a/libraries/joomla/crypt/cipher/rijndael256.php
+++ b/libraries/joomla/crypt/cipher/rijndael256.php
@@ -12,7 +12,8 @@
 /**
  * JCrypt cipher for Rijndael 256 encryption, decryption and key generation.
  *
- * @since  12.1
+ * @since       12.1
+ * @deprecated  4.0   Without replacment use JCryptCipherCrypto
  */
 class JCryptCipherRijndael256 extends JCryptCipherMcrypt
 {