diff --git a/oauth2/oauth2-client/src/main/java/org/springframework/security/oauth2/client/endpoint/DefaultAuthorizationCodeTokenResponseClient.java b/oauth2/oauth2-client/src/main/java/org/springframework/security/oauth2/client/endpoint/DefaultAuthorizationCodeTokenResponseClient.java
index 179e564599..7467487528 100644
--- a/oauth2/oauth2-client/src/main/java/org/springframework/security/oauth2/client/endpoint/DefaultAuthorizationCodeTokenResponseClient.java
+++ b/oauth2/oauth2-client/src/main/java/org/springframework/security/oauth2/client/endpoint/DefaultAuthorizationCodeTokenResponseClient.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2023 the original author or authors.
+ * Copyright 2002-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -52,7 +52,9 @@ import org.springframework.web.client.RestTemplate;
  * @see <a target="_blank" href=
  * "https://tools.ietf.org/html/rfc6749#section-4.1.4">Section 4.1.4 Access Token Response
  * (Authorization Code Grant)</a>
+ * @deprecated Use {@link RestClientAuthorizationCodeTokenResponseClient} instead
  */
+@Deprecated(since = "6.4")
 public final class DefaultAuthorizationCodeTokenResponseClient
 		implements OAuth2AccessTokenResponseClient<OAuth2AuthorizationCodeGrantRequest> {
 
diff --git a/oauth2/oauth2-client/src/main/java/org/springframework/security/oauth2/client/endpoint/DefaultClientCredentialsTokenResponseClient.java b/oauth2/oauth2-client/src/main/java/org/springframework/security/oauth2/client/endpoint/DefaultClientCredentialsTokenResponseClient.java
index 71f80977f5..99a8bbb0c8 100644
--- a/oauth2/oauth2-client/src/main/java/org/springframework/security/oauth2/client/endpoint/DefaultClientCredentialsTokenResponseClient.java
+++ b/oauth2/oauth2-client/src/main/java/org/springframework/security/oauth2/client/endpoint/DefaultClientCredentialsTokenResponseClient.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2023 the original author or authors.
+ * Copyright 2002-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -52,7 +52,9 @@ import org.springframework.web.client.RestTemplate;
  * @see <a target="_blank" href=
  * "https://tools.ietf.org/html/rfc6749#section-4.4.3">Section 4.4.3 Access Token Response
  * (Client Credentials Grant)</a>
+ * @deprecated Use {@link RestClientClientCredentialsTokenResponseClient} instead
  */
+@Deprecated(since = "6.4")
 public final class DefaultClientCredentialsTokenResponseClient
 		implements OAuth2AccessTokenResponseClient<OAuth2ClientCredentialsGrantRequest> {
 
diff --git a/oauth2/oauth2-client/src/main/java/org/springframework/security/oauth2/client/endpoint/DefaultJwtBearerTokenResponseClient.java b/oauth2/oauth2-client/src/main/java/org/springframework/security/oauth2/client/endpoint/DefaultJwtBearerTokenResponseClient.java
index fa145da534..48a4523c04 100644
--- a/oauth2/oauth2-client/src/main/java/org/springframework/security/oauth2/client/endpoint/DefaultJwtBearerTokenResponseClient.java
+++ b/oauth2/oauth2-client/src/main/java/org/springframework/security/oauth2/client/endpoint/DefaultJwtBearerTokenResponseClient.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2023 the original author or authors.
+ * Copyright 2002-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -50,7 +50,9 @@ import org.springframework.web.client.RestTemplate;
  * 2.1 Using JWTs as Authorization Grants</a>
  * @see <a target="_blank" href="https://tools.ietf.org/html/rfc7521#section-4.1">Section
  * 4.1 Using Assertions as Authorization Grants</a>
+ * @deprecated Use {@link RestClientJwtBearerTokenResponseClient} instead
  */
+@Deprecated(since = "6.4")
 public final class DefaultJwtBearerTokenResponseClient
 		implements OAuth2AccessTokenResponseClient<JwtBearerGrantRequest> {
 
diff --git a/oauth2/oauth2-client/src/main/java/org/springframework/security/oauth2/client/endpoint/DefaultRefreshTokenTokenResponseClient.java b/oauth2/oauth2-client/src/main/java/org/springframework/security/oauth2/client/endpoint/DefaultRefreshTokenTokenResponseClient.java
index f42641bad2..35e2e37071 100644
--- a/oauth2/oauth2-client/src/main/java/org/springframework/security/oauth2/client/endpoint/DefaultRefreshTokenTokenResponseClient.java
+++ b/oauth2/oauth2-client/src/main/java/org/springframework/security/oauth2/client/endpoint/DefaultRefreshTokenTokenResponseClient.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2023 the original author or authors.
+ * Copyright 2002-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -49,7 +49,9 @@ import org.springframework.web.client.RestTemplate;
  * @see OAuth2AccessTokenResponse
  * @see <a target="_blank" href="https://tools.ietf.org/html/rfc6749#section-6">Section 6
  * Refreshing an Access Token</a>
+ * @deprecated Use {@link RestClientRefreshTokenTokenResponseClient} instead
  */
+@Deprecated(since = "6.4")
 public final class DefaultRefreshTokenTokenResponseClient
 		implements OAuth2AccessTokenResponseClient<OAuth2RefreshTokenGrantRequest> {
 
diff --git a/oauth2/oauth2-client/src/main/java/org/springframework/security/oauth2/client/endpoint/DefaultTokenExchangeTokenResponseClient.java b/oauth2/oauth2-client/src/main/java/org/springframework/security/oauth2/client/endpoint/DefaultTokenExchangeTokenResponseClient.java
index 787e72ad87..3ba3d889f3 100644
--- a/oauth2/oauth2-client/src/main/java/org/springframework/security/oauth2/client/endpoint/DefaultTokenExchangeTokenResponseClient.java
+++ b/oauth2/oauth2-client/src/main/java/org/springframework/security/oauth2/client/endpoint/DefaultTokenExchangeTokenResponseClient.java
@@ -50,7 +50,9 @@ import org.springframework.web.client.RestTemplate;
  * 2.1 Request</a>
  * @see <a target="_blank" href="https://tools.ietf.org/html/rfc8693#section-2.2">Section
  * 2.2 Response</a>
+ * @deprecated Use {@link RestClientRefreshTokenTokenResponseClient} instead
  */
+@Deprecated(since = "6.4")
 public final class DefaultTokenExchangeTokenResponseClient
 		implements OAuth2AccessTokenResponseClient<TokenExchangeGrantRequest> {