diff --git a/src/elastic/examples/update_with_source.rs b/src/elastic/examples/update_with_source.rs
index 0226db420d..d2d2cd5223 100644
--- a/src/elastic/examples/update_with_source.rs
+++ b/src/elastic/examples/update_with_source.rs
@@ -57,14 +57,14 @@ fn run() -> Result<(), Box<dyn Error>> {
         .update("1")
         .script("ctx._source.likes++")
         // Request that the updated document be returned with the response
-        .source::<UpdatedNewsArticle>()
+        .source()
         .send()?;
 
     assert!(update.updated());
 
-    // Deserialize the updated document to the type we requested earlier;
-    // this will return `None` if `source()` was not called on the request
-    let updated_doc = update.into_document().unwrap();
+    // Deserialize the updated document,
+    // will return `None` if `source()` was not called on the request
+    let updated_doc = update.into_document::<UpdatedNewsArticle>().unwrap();
 
     assert!(updated_doc.likes > 0);
 
diff --git a/src/elastic/src/client/requests/document_update.rs b/src/elastic/src/client/requests/document_update.rs
index f3b7f85486..27822b5917 100644
--- a/src/elastic/src/client/requests/document_update.rs
+++ b/src/elastic/src/client/requests/document_update.rs
@@ -49,8 +49,6 @@ pub use crate::client::requests::common::{
     ScriptBuilder,
 };
 
-pub(crate) type DefaultUpdatedSource = serde_json::Value;
-
 /**
 An [update document request][docs-update] builder that can be configured before sending.
 
@@ -62,17 +60,15 @@ The `send` method will either send the request [synchronously][send-sync] or [as
 [send-async]: #send-asynchronously
 [Client.document.update]: ../../struct.DocumentClient.html#update-document-request
 */
-pub type UpdateRequestBuilder<TSender, TBody, TSource = DefaultUpdatedSource> =
-    RequestBuilder<TSender, UpdateRequestInner<TBody, TSource>>;
+pub type UpdateRequestBuilder<TSender, TBody> = RequestBuilder<TSender, UpdateRequestInner<TBody>>;
 
 #[doc(hidden)]
-pub struct UpdateRequestInner<TBody, TSource> {
+pub struct UpdateRequestInner<TBody> {
     index: Index<'static>,
     ty: Type<'static>,
     id: Id<'static>,
     body: TBody,
-    _body_marker: PhantomData<TBody>,
-    _update_source_marker: PhantomData<TSource>,
+    _marker: PhantomData<TBody>,
 }
 
 /**
@@ -221,8 +217,7 @@ where
                 ty: ty,
                 id: id.into(),
                 body: Doc::empty(),
-                _body_marker: PhantomData,
-                _update_source_marker: PhantomData,
+                _marker: PhantomData,
             },
         )
     }
@@ -277,14 +272,13 @@ where
                 ty: DEFAULT_DOC_TYPE.into(),
                 id: id.into(),
                 body: Doc::empty(),
-                _body_marker: PhantomData,
-                _update_source_marker: PhantomData,
+                _marker: PhantomData,
             },
         )
     }
 }
 
-impl<TBody, TSource> UpdateRequestInner<TBody, TSource>
+impl<TBody> UpdateRequestInner<TBody>
 where
     TBody: Serialize,
 {
@@ -388,8 +382,7 @@ where
                 index: self.inner.index,
                 ty: self.inner.ty,
                 id: self.inner.id,
-                _body_marker: PhantomData,
-                _update_source_marker: PhantomData,
+                _marker: PhantomData,
             },
         )
     }
@@ -468,8 +461,7 @@ where
                 index: self.inner.index,
                 ty: self.inner.ty,
                 id: self.inner.id,
-                _body_marker: PhantomData,
-                _update_source_marker: PhantomData,
+                _marker: PhantomData,
             },
         )
     }
@@ -560,7 +552,7 @@ where
     }
 }
 
-impl<TSender, TBody, TSource> UpdateRequestBuilder<TSender, TBody, TSource>
+impl<TSender, TBody> UpdateRequestBuilder<TSender, TBody>
 where
     TSender: Sender,
 {
@@ -583,17 +575,17 @@ where
     # fn main() { run().unwrap() }
     # fn run() -> Result<(), Box<dyn ::std::error::Error>> {
     # #[derive(Serialize, Deserialize, ElasticType)]
-    # struct NewsArticle { likes: i64 }
+    # struct NewsArticle { id: i64, likes: i64 }
     # #[derive(Serialize, Deserialize, ElasticType)]
-    # struct UpdatedNewsArticle { likes: i64 }
+    # struct UpdatedNewsArticle { id: i64, likes: i64 }
     # let client = SyncClientBuilder::new().build()?;
     let response = client.document::<NewsArticle>()
                          .update(1)
                          .script("ctx._source.likes++")
-                         .source::<UpdatedNewsArticle>()
+                         .source()
                          .send()?;
 
-    assert!(response.into_document().unwrap().likes >= 1);
+    assert!(response.into_document::<UpdatedNewsArticle>().unwrap().likes >= 1);
     # Ok(())
     # }
     ```
@@ -602,12 +594,11 @@ where
     [`UpdateResponse`]: ../../responses/struct.UpdateResponse.html
     [`into_document`]: ../../responses/struct.UpdateResponse.html#method.into_document
     */
-    pub fn source<T>(self) -> UpdateRequestBuilder<TSender, TBody, T>
-    where
-        T: DeserializeOwned,
-    {
+    pub fn source(self) -> UpdateRequestBuilder<TSender, TBody> {
         RequestBuilder::new(
             self.client,
+            // TODO: allow passing in `source` parameter add `_source` to body
+            // instead because it supports more options
             self.params_builder
                 .fluent(|params| params.url_param("_source", true))
                 .shared(),
@@ -616,8 +607,7 @@ where
                 index: self.inner.index,
                 ty: self.inner.ty,
                 id: self.inner.id,
-                _body_marker: PhantomData,
-                _update_source_marker: PhantomData,
+                _marker: PhantomData,
             },
         )
     }
@@ -626,7 +616,7 @@ where
 /**
 # Send synchronously
 */
-impl<TBody, TSource> UpdateRequestBuilder<SyncSender, TBody, TSource>
+impl<TBody> UpdateRequestBuilder<SyncSender, TBody>
 where
     TBody: Serialize,
 {
@@ -666,7 +656,7 @@ where
     [SyncClient]: ../../type.SyncClient.html
     [documents-mod]: ../../types/document/index.html
     */
-    pub fn send(self) -> Result<UpdateResponse<TSource>, Error> {
+    pub fn send(self) -> Result<UpdateResponse, Error> {
         let req = self.inner.into_request()?;
 
         RequestBuilder::new(self.client, self.params_builder, RawRequestInner::new(req))
@@ -678,10 +668,9 @@ where
 /**
 # Send asynchronously
 */
-impl<TBody, TSource> UpdateRequestBuilder<AsyncSender, TBody, TSource>
+impl<TBody> UpdateRequestBuilder<AsyncSender, TBody>
 where
     TBody: Serialize + Send + 'static,
-    TSource: Send + 'static,
 {
     /**
     Send an `UpdateRequestBuilder` asynchronously using an [`AsyncClient`][AsyncClient].
@@ -726,7 +715,7 @@ where
     [AsyncClient]: ../../type.AsyncClient.html
     [documents-mod]: ../../types/document/index.html
     */
-    pub fn send(self) -> Pending<TSource> {
+    pub fn send(self) -> Pending {
         let (client, params_builder, inner) = (self.client, self.params_builder, self.inner);
 
         let req_future = client.sender.maybe_async(move || inner.into_request());
@@ -758,7 +747,7 @@ mod tests {
 
     #[test]
     fn is_send() {
-        assert_send::<super::Pending<serde_json::Value>>();
+        assert_send::<super::Pending>();
     }
 
     #[derive(Serialize, ElasticType)]
diff --git a/src/elastic/src/client/responses/document_update.rs b/src/elastic/src/client/responses/document_update.rs
index 13ba9a5ed6..434bf2b7d0 100644
--- a/src/elastic/src/client/responses/document_update.rs
+++ b/src/elastic/src/client/responses/document_update.rs
@@ -2,15 +2,12 @@
 Response types for a [update document request](https://www.elastic.co/guide/en/elasticsearch/reference/current/docs-update.html).
 */
 
-use std::marker::PhantomData;
-
 use serde::de::DeserializeOwned;
 use serde_json::Value;
 
 use super::common::DocumentResult;
 
 use crate::{
-    client::requests::document_update::DefaultUpdatedSource,
     http::receiver::IsOkOnSuccess,
     types::document::{
         Id,
@@ -21,7 +18,7 @@ use crate::{
 
 /** Response for an [update document request](https://www.elastic.co/guide/en/elasticsearch/reference/current/docs-update.html). */
 #[derive(Deserialize, Debug)]
-pub struct UpdateResponse<TSource = DefaultUpdatedSource> {
+pub struct UpdateResponse {
     #[serde(rename = "_index")]
     index: String,
     #[serde(rename = "_type")]
@@ -38,14 +35,9 @@ pub struct UpdateResponse<TSource = DefaultUpdatedSource> {
     routing: Option<String>,
     result: DocumentResult,
     get: Option<Value>,
-    #[serde(skip)]
-    _marker: PhantomData<TSource>,
 }
 
-impl<TSource> UpdateResponse<TSource>
-where
-    TSource: DeserializeOwned,
-{
+impl UpdateResponse {
     /**
     Convert the source in the response into the updated document.
 
@@ -61,17 +53,17 @@ where
     # fn main() { run().unwrap() }
     # fn run() -> Result<(), Box<dyn ::std::error::Error>> {
     # #[derive(Serialize, Deserialize, ElasticType)]
-    # struct NewsArticle { likes: i64 }
+    # struct NewsArticle { id: i64, likes: i64 }
     # #[derive(Serialize, Deserialize, ElasticType)]
-    # struct UpdatedNewsArticle { likes: i64 }
+    # struct UpdatedNewsArticle { id: i64, likes: i64 }
     # let client = SyncClientBuilder::new().build()?;
     let response = client.document::<NewsArticle>()
                          .update(1)
                          .script("ctx._source.likes++")
-                         .source::<UpdatedNewsArticle>()
+                         .source()
                          .send()?;
 
-    assert!(response.into_document().unwrap().likes >= 1);
+    assert!(response.into_document::<UpdatedNewsArticle>().unwrap().likes >= 1);
     # Ok(())
     # }
     ```
@@ -79,13 +71,16 @@ where
     [`source`]: ../requests/document_update/type.UpdateRequestBuilder.html#method.source
     [`UpdateRequestBuilder`]: ../requests/document_update/type.UpdateRequestBuilder.html
     */
-    pub fn into_document(&self) -> Option<TSource> {
+    pub fn into_document<T>(&self) -> Option<T>
+    where
+        T: DeserializeOwned,
+    {
         self.get.as_ref().map_or_else(
             || None,
             |obj| {
                 obj.get("_source")
                     .cloned()
-                    .map_or_else(|| None, |doc| serde_json::from_value::<TSource>(doc).ok())
+                    .map_or_else(|| None, |doc| serde_json::from_value::<T>(doc).ok())
             },
         )
     }
@@ -137,4 +132,4 @@ where
     }
 }
 
-impl<TSource> IsOkOnSuccess for UpdateResponse<TSource> {}
+impl IsOkOnSuccess for UpdateResponse {}
diff --git a/tests/integration/src/tests/document/update_with_source.rs b/tests/integration/src/tests/document/update_with_source.rs
index 3b1e406214..6392b830eb 100644
--- a/tests/integration/src/tests/document/update_with_source.rs
+++ b/tests/integration/src/tests/document/update_with_source.rs
@@ -33,7 +33,7 @@ fn doc() -> Doc {
 test! {
     const description: &'static str = "update and return source";
 
-    type Response = UpdateResponse<UpdatedDoc>;
+    type Response = UpdateResponse;
 
     // Ensure the index doesn't exist
     fn prepare(&self, client: AsyncClient) -> Box<dyn Future<Item = (), Error = Error>> {
@@ -64,7 +64,7 @@ test! {
             .doc(json!({
                 "title": EXPECTED_TITLE.to_owned(),
             }))
-            .source::<UpdatedDoc>()
+            .source()
             .send();
 
         Box::new(
@@ -78,7 +78,7 @@ test! {
     fn assert_ok(&self, res: &Self::Response) -> bool {
         let updated = res.updated();
         let correct_version = res.version() == Some(2);
-        let correct_title = res.into_document().unwrap().title == EXPECTED_TITLE;
+        let correct_title = res.into_document::<UpdatedDoc>().unwrap().title == EXPECTED_TITLE;
 
         updated && correct_version && correct_title
     }