diff --git a/src/main/java/sk/tomsik68/mclauncher/impl/login/legacy/LegacyLoginEncryptionProcessor.java b/src/main/java/sk/tomsik68/mclauncher/impl/login/legacy/LegacyLoginEncryptionProcessor.java
index d25930b..0b0f2c9 100644
--- a/src/main/java/sk/tomsik68/mclauncher/impl/login/legacy/LegacyLoginEncryptionProcessor.java
+++ b/src/main/java/sk/tomsik68/mclauncher/impl/login/legacy/LegacyLoginEncryptionProcessor.java
@@ -7,6 +7,7 @@
 import java.io.OutputStream;
 import java.util.Random;
 
+@Deprecated
 final class LegacyLoginEncryptionProcessor {
     private static final int MODE_ENCRYPT = 1;
     private static final int MODE_DECRYPT = 2;
diff --git a/src/main/java/sk/tomsik68/mclauncher/impl/login/legacy/LegacyLoginService.java b/src/main/java/sk/tomsik68/mclauncher/impl/login/legacy/LegacyLoginService.java
index 73d8e75..b61b2a5 100644
--- a/src/main/java/sk/tomsik68/mclauncher/impl/login/legacy/LegacyLoginService.java
+++ b/src/main/java/sk/tomsik68/mclauncher/impl/login/legacy/LegacyLoginService.java
@@ -10,6 +10,7 @@
 import java.io.UnsupportedEncodingException;
 import java.net.URLEncoder;
 
+@Deprecated
 public final class LegacyLoginService implements ILoginService {
     private static final LegacySessionFactory factory = new LegacySessionFactory();
     private static final String LOGIN_URL = "https://login.minecraft.net/";
diff --git a/src/main/java/sk/tomsik68/mclauncher/impl/login/legacy/LegacyProfile.java b/src/main/java/sk/tomsik68/mclauncher/impl/login/legacy/LegacyProfile.java
index eb7d544..3f592f9 100644
--- a/src/main/java/sk/tomsik68/mclauncher/impl/login/legacy/LegacyProfile.java
+++ b/src/main/java/sk/tomsik68/mclauncher/impl/login/legacy/LegacyProfile.java
@@ -3,6 +3,7 @@
 import sk.tomsik68.mclauncher.api.login.IProfile;
 import sk.tomsik68.mclauncher.api.login.ISession;
 
+@Deprecated
 public final class LegacyProfile implements IProfile {
 
     private String pass;
diff --git a/src/main/java/sk/tomsik68/mclauncher/impl/login/legacy/LegacyProfileIO.java b/src/main/java/sk/tomsik68/mclauncher/impl/login/legacy/LegacyProfileIO.java
index 0e5fbe0..3b71c5e 100644
--- a/src/main/java/sk/tomsik68/mclauncher/impl/login/legacy/LegacyProfileIO.java
+++ b/src/main/java/sk/tomsik68/mclauncher/impl/login/legacy/LegacyProfileIO.java
@@ -7,6 +7,7 @@
 
 import java.io.*;
 
+@Deprecated
 public final class LegacyProfileIO implements IProfileIO {
     private final LegacyLoginEncryptionProcessor proc;
     private final File dest;
diff --git a/src/main/java/sk/tomsik68/mclauncher/impl/login/legacy/LegacySession.java b/src/main/java/sk/tomsik68/mclauncher/impl/login/legacy/LegacySession.java
index c69b527..505b991 100644
--- a/src/main/java/sk/tomsik68/mclauncher/impl/login/legacy/LegacySession.java
+++ b/src/main/java/sk/tomsik68/mclauncher/impl/login/legacy/LegacySession.java
@@ -6,6 +6,7 @@
 
 import java.util.List;
 
+@Deprecated
 final class LegacySession implements ISession {
     private final String userName, sessionID, uuid, downloadTicket, lastVersion;
 
diff --git a/src/main/java/sk/tomsik68/mclauncher/impl/login/legacy/LegacySessionFactory.java b/src/main/java/sk/tomsik68/mclauncher/impl/login/legacy/LegacySessionFactory.java
index 782393c..e86590f 100644
--- a/src/main/java/sk/tomsik68/mclauncher/impl/login/legacy/LegacySessionFactory.java
+++ b/src/main/java/sk/tomsik68/mclauncher/impl/login/legacy/LegacySessionFactory.java
@@ -7,6 +7,7 @@
 /**
  * Creates LegacySession object using parameters array from login.minecraft.net
  */
+@Deprecated
 final class LegacySessionFactory {
 
     ISession createSession(String[] params) throws Exception {