diff --git a/core/src/main/java/org/elasticsearch/action/bulk/BulkRequest.java b/core/src/main/java/org/elasticsearch/action/bulk/BulkRequest.java
index 85c3eac3069a4..77181f232a92b 100644
--- a/core/src/main/java/org/elasticsearch/action/bulk/BulkRequest.java
+++ b/core/src/main/java/org/elasticsearch/action/bulk/BulkRequest.java
@@ -340,8 +340,10 @@ public BulkRequest add(BytesReference data, @Nullable String defaultIndex, @Null
                             } else if ("_parent".equals(currentFieldName) || "parent".equals(currentFieldName)) {
                                 parent = parser.text();
                             } else if ("_timestamp".equals(currentFieldName) || "timestamp".equals(currentFieldName)) {
+                                DEPRECATION_LOGGER.deprecated("The [timestamp] parameter of index requests is deprecated");
                                 timestamp = parser.text();
                             } else if ("_ttl".equals(currentFieldName) || "ttl".equals(currentFieldName)) {
+                                DEPRECATION_LOGGER.deprecated("The [ttl] parameter of index requests is deprecated");
                                 if (parser.currentToken() == XContentParser.Token.VALUE_STRING) {
                                     ttl = TimeValue.parseTimeValue(parser.text(), null, currentFieldName);
                                 } else {
diff --git a/core/src/main/java/org/elasticsearch/action/index/IndexRequest.java b/core/src/main/java/org/elasticsearch/action/index/IndexRequest.java
index 3462ef7f1761c..fdba810eaa81f 100644
--- a/core/src/main/java/org/elasticsearch/action/index/IndexRequest.java
+++ b/core/src/main/java/org/elasticsearch/action/index/IndexRequest.java
@@ -331,11 +331,13 @@ public String parent() {
     /**
      * Sets the timestamp either as millis since the epoch, or, in the configured date format.
      */
+    @Deprecated
     public IndexRequest timestamp(String timestamp) {
         this.timestamp = timestamp;
         return this;
     }
 
+    @Deprecated
     public String timestamp() {
         return this.timestamp;
     }
@@ -343,6 +345,7 @@ public String timestamp() {
     /**
      * Sets the ttl value as a time value expression.
      */
+    @Deprecated
     public IndexRequest ttl(String ttl) {
         this.ttl = TimeValue.parseTimeValue(ttl, null, "ttl");
         return this;
@@ -351,6 +354,7 @@ public IndexRequest ttl(String ttl) {
     /**
      * Sets the ttl as a {@link TimeValue} instance.
      */
+    @Deprecated
     public IndexRequest ttl(TimeValue ttl) {
         this.ttl = ttl;
         return this;
@@ -359,6 +363,7 @@ public IndexRequest ttl(TimeValue ttl) {
     /**
      * Sets the relative ttl value in milliseconds. It musts be greater than 0 as it makes little sense otherwise.
      */
+    @Deprecated
     public IndexRequest ttl(long ttl) {
         this.ttl = new TimeValue(ttl);
         return this;
@@ -367,6 +372,7 @@ public IndexRequest ttl(long ttl) {
     /**
      * Returns the ttl as a {@link TimeValue}
      */
+    @Deprecated
     public TimeValue ttl() {
         return this.ttl;
     }
diff --git a/core/src/main/java/org/elasticsearch/action/index/IndexRequestBuilder.java b/core/src/main/java/org/elasticsearch/action/index/IndexRequestBuilder.java
index c4609e03aa5ed..1899df0d087ee 100644
--- a/core/src/main/java/org/elasticsearch/action/index/IndexRequestBuilder.java
+++ b/core/src/main/java/org/elasticsearch/action/index/IndexRequestBuilder.java
@@ -233,6 +233,7 @@ public IndexRequestBuilder setVersionType(VersionType versionType) {
     /**
      * Sets the timestamp either as millis since the epoch, or, in the configured date format.
      */
+    @Deprecated
     public IndexRequestBuilder setTimestamp(String timestamp) {
         request.timestamp(timestamp);
         return this;
@@ -241,6 +242,7 @@ public IndexRequestBuilder setTimestamp(String timestamp) {
     /**
      * Sets the ttl value as a time value expression.
      */
+    @Deprecated
     public IndexRequestBuilder setTTL(String ttl) {
         request.ttl(ttl);
         return this;
@@ -249,6 +251,7 @@ public IndexRequestBuilder setTTL(String ttl) {
     /**
      * Sets the relative ttl value in milliseconds. It musts be greater than 0 as it makes little sense otherwise.
      */
+    @Deprecated
     public IndexRequestBuilder setTTL(long ttl) {
         request.ttl(ttl);
         return this;
@@ -257,6 +260,7 @@ public IndexRequestBuilder setTTL(long ttl) {
     /**
      * Sets the ttl as a {@link TimeValue} instance.
      */
+    @Deprecated
     public IndexRequestBuilder setTTL(TimeValue ttl) {
         request.ttl(ttl);
         return this;
diff --git a/core/src/main/java/org/elasticsearch/action/update/UpdateRequestBuilder.java b/core/src/main/java/org/elasticsearch/action/update/UpdateRequestBuilder.java
index bbbc9bafd8f20..a01af304dcc50 100644
--- a/core/src/main/java/org/elasticsearch/action/update/UpdateRequestBuilder.java
+++ b/core/src/main/java/org/elasticsearch/action/update/UpdateRequestBuilder.java
@@ -360,6 +360,7 @@ public UpdateRequestBuilder setScriptedUpsert(boolean scriptedUpsert) {
      * and the source of the document isn't changed then the ttl update won't take
      * effect.
      */
+    @Deprecated
     public UpdateRequestBuilder setTtl(Long ttl) {
         request.doc().ttl(ttl);
         return this;
@@ -370,6 +371,7 @@ public UpdateRequestBuilder setTtl(Long ttl) {
      * and the source of the document isn't changed then the ttl update won't take
      * effect.
      */
+    @Deprecated
     public UpdateRequestBuilder setTtl(String ttl) {
         request.doc().ttl(ttl);
         return this;
@@ -380,6 +382,7 @@ public UpdateRequestBuilder setTtl(String ttl) {
      * and the source of the document isn't changed then the ttl update won't take
      * effect.
      */
+    @Deprecated
     public UpdateRequestBuilder setTtl(TimeValue ttl) {
         request.doc().ttl(ttl);
         return this;
diff --git a/core/src/main/java/org/elasticsearch/rest/action/document/RestIndexAction.java b/core/src/main/java/org/elasticsearch/rest/action/document/RestIndexAction.java
index a3f211ced35d0..d2dee4c5a7b8d 100644
--- a/core/src/main/java/org/elasticsearch/rest/action/document/RestIndexAction.java
+++ b/core/src/main/java/org/elasticsearch/rest/action/document/RestIndexAction.java
@@ -66,8 +66,12 @@ public RestChannelConsumer prepareRequest(final RestRequest request, final NodeC
         IndexRequest indexRequest = new IndexRequest(request.param("index"), request.param("type"), request.param("id"));
         indexRequest.routing(request.param("routing"));
         indexRequest.parent(request.param("parent")); // order is important, set it after routing, so it will set the routing
+        if (request.hasParam("timestamp")) {
+            deprecationLogger.deprecated("The [timestamp] parameter of index requests is deprecated");
+        }
         indexRequest.timestamp(request.param("timestamp"));
         if (request.hasParam("ttl")) {
+            deprecationLogger.deprecated("The [ttl] parameter of index requests is deprecated");
             indexRequest.ttl(request.param("ttl"));
         }
         indexRequest.setPipeline(request.param("pipeline"));
diff --git a/core/src/main/java/org/elasticsearch/rest/action/document/RestUpdateAction.java b/core/src/main/java/org/elasticsearch/rest/action/document/RestUpdateAction.java
index 5cd7336a0f39e..7d8aca610597b 100644
--- a/core/src/main/java/org/elasticsearch/rest/action/document/RestUpdateAction.java
+++ b/core/src/main/java/org/elasticsearch/rest/action/document/RestUpdateAction.java
@@ -81,6 +81,12 @@ public RestChannelConsumer prepareRequest(final RestRequest request, final NodeC
         updateRequest.version(RestActions.parseVersion(request));
         updateRequest.versionType(VersionType.fromString(request.param("version_type"), updateRequest.versionType()));
 
+        if (request.hasParam("timestamp")) {
+            deprecationLogger.deprecated("The [timestamp] parameter of index requests is deprecated");
+        }
+        if (request.hasParam("ttl")) {
+            deprecationLogger.deprecated("The [ttl] parameter of index requests is deprecated");
+        }
 
         // see if we have it in the body
         if (request.hasContent()) {