diff --git a/core/src/main/java/org/springframework/security/authentication/rcp/RemoteAuthenticationException.java b/core/src/main/java/org/springframework/security/authentication/rcp/RemoteAuthenticationException.java
index fdfece6ba7..001192aec1 100644
--- a/core/src/main/java/org/springframework/security/authentication/rcp/RemoteAuthenticationException.java
+++ b/core/src/main/java/org/springframework/security/authentication/rcp/RemoteAuthenticationException.java
@@ -28,7 +28,9 @@ import org.springframework.security.core.SpringSecurityCoreVersion;
  * issues for the remoting protocol.
  *
  * @author Ben Alex
+ * @deprecated as of 5.6.0 with no replacement
  */
+@Deprecated
 public class RemoteAuthenticationException extends NestedRuntimeException {
 
 	private static final long serialVersionUID = SpringSecurityCoreVersion.SERIAL_VERSION_UID;
diff --git a/core/src/main/java/org/springframework/security/authentication/rcp/RemoteAuthenticationManager.java b/core/src/main/java/org/springframework/security/authentication/rcp/RemoteAuthenticationManager.java
index f2bec46c89..a1db8acc51 100644
--- a/core/src/main/java/org/springframework/security/authentication/rcp/RemoteAuthenticationManager.java
+++ b/core/src/main/java/org/springframework/security/authentication/rcp/RemoteAuthenticationManager.java
@@ -24,7 +24,9 @@ import org.springframework.security.core.GrantedAuthority;
  * Allows remote clients to attempt authentication.
  *
  * @author Ben Alex
+ * @deprecated as of 5.6.0 with no replacement
  */
+@Deprecated
 public interface RemoteAuthenticationManager {
 
 	/**
diff --git a/core/src/main/java/org/springframework/security/authentication/rcp/RemoteAuthenticationManagerImpl.java b/core/src/main/java/org/springframework/security/authentication/rcp/RemoteAuthenticationManagerImpl.java
index 2f3063cdd3..1d32b90ee5 100644
--- a/core/src/main/java/org/springframework/security/authentication/rcp/RemoteAuthenticationManagerImpl.java
+++ b/core/src/main/java/org/springframework/security/authentication/rcp/RemoteAuthenticationManagerImpl.java
@@ -32,7 +32,9 @@ import org.springframework.util.Assert;
  * configured <code>AuthenticationManager</code> to resolve an authentication request.
  *
  * @author Ben Alex
+ * @deprecated as of 5.6.0 with no replacement
  */
+@Deprecated
 public class RemoteAuthenticationManagerImpl implements RemoteAuthenticationManager, InitializingBean {
 
 	private AuthenticationManager authenticationManager;
diff --git a/core/src/main/java/org/springframework/security/authentication/rcp/RemoteAuthenticationProvider.java b/core/src/main/java/org/springframework/security/authentication/rcp/RemoteAuthenticationProvider.java
index 3ed938a248..c7164a0b97 100644
--- a/core/src/main/java/org/springframework/security/authentication/rcp/RemoteAuthenticationProvider.java
+++ b/core/src/main/java/org/springframework/security/authentication/rcp/RemoteAuthenticationProvider.java
@@ -49,7 +49,9 @@ import org.springframework.util.Assert;
  * </p>
  *
  * @author Ben Alex
+ * @deprecated as of 5.6.0 with no replacement
  */
+@Deprecated
 public class RemoteAuthenticationProvider implements AuthenticationProvider, InitializingBean {
 
 	private RemoteAuthenticationManager remoteAuthenticationManager;
diff --git a/core/src/main/java/org/springframework/security/authentication/rcp/package-info.java b/core/src/main/java/org/springframework/security/authentication/rcp/package-info.java
index b4010d186b..731e7ecd7b 100644
--- a/core/src/main/java/org/springframework/security/authentication/rcp/package-info.java
+++ b/core/src/main/java/org/springframework/security/authentication/rcp/package-info.java
@@ -17,5 +17,6 @@
 /**
  * Allows remote clients to authenticate and obtain a populated
  * <code>Authentication</code> object.
+ * @deprecated as of 5.6.0 with no replacement
  */
 package org.springframework.security.authentication.rcp;