diff --git a/spring-web/src/main/java/org/springframework/http/client/OkHttpAsyncClientHttpRequest.java b/spring-web/src/main/java/org/springframework/http/client/OkHttpAsyncClientHttpRequest.java
index 6b0424226272f5cee1e2f50478e3c2c4e3035b19..644709423a7fa5801ab2494b121e55136b3c55b1 100644
--- a/spring-web/src/main/java/org/springframework/http/client/OkHttpAsyncClientHttpRequest.java
+++ b/spring-web/src/main/java/org/springframework/http/client/OkHttpAsyncClientHttpRequest.java
@@ -39,7 +39,9 @@ import org.springframework.util.concurrent.SettableListenableFuture;
  * @author Arjen Poutsma
  * @since 4.3
  * @see org.springframework.http.client.OkHttp3AsyncClientHttpRequest
+ * @deprecated as of Spring 5.0, in favor of OkHttp 3.x
  */
+@Deprecated
 class OkHttpAsyncClientHttpRequest extends AbstractBufferingAsyncClientHttpRequest {
 
 	private final OkHttpClient client;
@@ -75,6 +77,7 @@ class OkHttpAsyncClientHttpRequest extends AbstractBufferingAsyncClientHttpReque
 	}
 
 
+	@Deprecated
 	private static class OkHttpListenableFuture extends SettableListenableFuture<ClientHttpResponse> {
 
 		private final Call call;
diff --git a/spring-web/src/main/java/org/springframework/http/client/OkHttpClientHttpRequest.java b/spring-web/src/main/java/org/springframework/http/client/OkHttpClientHttpRequest.java
index a2f75be435a1302c5d61a7786d10ef01e99b1483..70821c345ece5bb9f90e555a2701b5c77c3a9940 100644
--- a/spring-web/src/main/java/org/springframework/http/client/OkHttpClientHttpRequest.java
+++ b/spring-web/src/main/java/org/springframework/http/client/OkHttpClientHttpRequest.java
@@ -34,7 +34,9 @@ import org.springframework.http.HttpMethod;
  * @author Arjen Poutsma
  * @since 4.2
  * @see org.springframework.http.client.OkHttp3ClientHttpRequest
+ * @deprecated as of Spring 5.0, in favor of OkHttp 3.x
  */
+@Deprecated
 class OkHttpClientHttpRequest extends AbstractBufferingClientHttpRequest {
 
 	private final OkHttpClient client;
diff --git a/spring-web/src/main/java/org/springframework/http/client/OkHttpClientHttpRequestFactory.java b/spring-web/src/main/java/org/springframework/http/client/OkHttpClientHttpRequestFactory.java
index d5ae9e97eee75195e168afa72810214da2a6b256..c0cf802a98f425d2d80e5f536f6779c05e0a3977 100644
--- a/spring-web/src/main/java/org/springframework/http/client/OkHttpClientHttpRequestFactory.java
+++ b/spring-web/src/main/java/org/springframework/http/client/OkHttpClientHttpRequestFactory.java
@@ -42,7 +42,9 @@ import org.springframework.util.StringUtils;
  * @author Arjen Poutsma
  * @since 4.2
  * @see org.springframework.http.client.OkHttp3ClientHttpRequestFactory
+ * @deprecated as of Spring 5.0, in favor of OkHttp 3.x
  */
+@Deprecated
 public class OkHttpClientHttpRequestFactory
 		implements ClientHttpRequestFactory, AsyncClientHttpRequestFactory, DisposableBean {
 
diff --git a/spring-web/src/main/java/org/springframework/http/client/OkHttpClientHttpResponse.java b/spring-web/src/main/java/org/springframework/http/client/OkHttpClientHttpResponse.java
index 6a0639f536b67c24c9f66e9175be34e260767a96..9d5e2a0e98907a8ac6a12aa910c8e5605cd7436d 100644
--- a/spring-web/src/main/java/org/springframework/http/client/OkHttpClientHttpResponse.java
+++ b/spring-web/src/main/java/org/springframework/http/client/OkHttpClientHttpResponse.java
@@ -31,7 +31,9 @@ import org.springframework.util.Assert;
  * @author Arjen Poutsma
  * @since 4.2
  * @see org.springframework.http.client.OkHttp3ClientHttpResponse
+ * @deprecated as of Spring 5.0, in favor of OkHttp 3.x
  */
+@Deprecated
 class OkHttpClientHttpResponse extends AbstractClientHttpResponse {
 
 	private final Response response;