diff --git a/rest-api-spec/src/main/resources/rest-api-spec/api/create.json b/rest-api-spec/src/main/resources/rest-api-spec/api/create.json
index 6a21620423d6b..c4ce09c7efa55 100644
--- a/rest-api-spec/src/main/resources/rest-api-spec/api/create.json
+++ b/rest-api-spec/src/main/resources/rest-api-spec/api/create.json
@@ -26,10 +26,6 @@
           "type" : "string",
           "description" : "Sets the number of shard copies that must be active before proceeding with the index operation. Defaults to 1, meaning the primary shard only. Set to `all` for all shard copies, otherwise set to any non-negative value less than or equal to the total number of copies for the shard (number of replicas + 1)"
         },
-        "parent": {
-          "type" : "string",
-          "description" : "ID of the parent document"
-        },
         "refresh": {
           "type" : "enum",
           "options": ["true", "false", "wait_for"],
diff --git a/rest-api-spec/src/main/resources/rest-api-spec/api/delete.json b/rest-api-spec/src/main/resources/rest-api-spec/api/delete.json
index 4b698b371a16d..b50f9b0104450 100644
--- a/rest-api-spec/src/main/resources/rest-api-spec/api/delete.json
+++ b/rest-api-spec/src/main/resources/rest-api-spec/api/delete.json
@@ -26,10 +26,6 @@
           "type" : "string",
           "description" : "Sets the number of shard copies that must be active before proceeding with the delete operation. Defaults to 1, meaning the primary shard only. Set to `all` for all shard copies, otherwise set to any non-negative value less than or equal to the total number of copies for the shard (number of replicas + 1)"
         },
-        "parent": {
-          "type" : "string",
-          "description" : "ID of parent document"
-        },
         "refresh": {
           "type" : "enum",
           "options": ["true", "false", "wait_for"],
diff --git a/rest-api-spec/src/main/resources/rest-api-spec/api/exists.json b/rest-api-spec/src/main/resources/rest-api-spec/api/exists.json
index 1d3749a5d8c4f..494d88d4d7292 100644
--- a/rest-api-spec/src/main/resources/rest-api-spec/api/exists.json
+++ b/rest-api-spec/src/main/resources/rest-api-spec/api/exists.json
@@ -26,10 +26,6 @@
           "type": "list",
           "description" : "A comma-separated list of stored fields to return in the response"
         },
-        "parent": {
-          "type" : "string",
-          "description" : "The ID of the parent document"
-        },
         "preference": {
           "type" : "string",
           "description" : "Specify the node or shard the operation should be performed on (default: random)"
diff --git a/rest-api-spec/src/main/resources/rest-api-spec/api/exists_source.json b/rest-api-spec/src/main/resources/rest-api-spec/api/exists_source.json
index a3edff1d111a5..efa33b2f6f8ef 100644
--- a/rest-api-spec/src/main/resources/rest-api-spec/api/exists_source.json
+++ b/rest-api-spec/src/main/resources/rest-api-spec/api/exists_source.json
@@ -23,10 +23,6 @@
         }
       },
       "params": {
-        "parent": {
-          "type" : "string",
-          "description" : "The ID of the parent document"
-        },
         "preference": {
           "type" : "string",
           "description" : "Specify the node or shard the operation should be performed on (default: random)"
diff --git a/rest-api-spec/src/main/resources/rest-api-spec/api/explain.json b/rest-api-spec/src/main/resources/rest-api-spec/api/explain.json
index 005cbadccb0b7..be151cdc11176 100644
--- a/rest-api-spec/src/main/resources/rest-api-spec/api/explain.json
+++ b/rest-api-spec/src/main/resources/rest-api-spec/api/explain.json
@@ -48,10 +48,6 @@
           "type" : "boolean",
           "description" : "Specify whether format-based query failures (such as providing text to a numeric field) should be ignored"
         },
-        "parent": {
-          "type" : "string",
-          "description" : "The ID of the parent document"
-        },
         "preference": {
           "type" : "string",
           "description" : "Specify the node or shard the operation should be performed on (default: random)"
diff --git a/rest-api-spec/src/main/resources/rest-api-spec/api/get.json b/rest-api-spec/src/main/resources/rest-api-spec/api/get.json
index ac3024c9c245d..abaedef8b40b5 100644
--- a/rest-api-spec/src/main/resources/rest-api-spec/api/get.json
+++ b/rest-api-spec/src/main/resources/rest-api-spec/api/get.json
@@ -26,10 +26,6 @@
           "type": "list",
           "description" : "A comma-separated list of stored fields to return in the response"
         },
-        "parent": {
-          "type" : "string",
-          "description" : "The ID of the parent document"
-        },
         "preference": {
           "type" : "string",
           "description" : "Specify the node or shard the operation should be performed on (default: random)"
diff --git a/rest-api-spec/src/main/resources/rest-api-spec/api/get_source.json b/rest-api-spec/src/main/resources/rest-api-spec/api/get_source.json
index cd737e32d6ca8..2a6d1f7bc436f 100644
--- a/rest-api-spec/src/main/resources/rest-api-spec/api/get_source.json
+++ b/rest-api-spec/src/main/resources/rest-api-spec/api/get_source.json
@@ -23,10 +23,6 @@
         }
       },
       "params": {
-        "parent": {
-          "type" : "string",
-          "description" : "The ID of the parent document"
-        },
         "preference": {
           "type" : "string",
           "description" : "Specify the node or shard the operation should be performed on (default: random)"
diff --git a/rest-api-spec/src/main/resources/rest-api-spec/api/index.json b/rest-api-spec/src/main/resources/rest-api-spec/api/index.json
index dcba05f6a3859..4f3b8d836f2fb 100644
--- a/rest-api-spec/src/main/resources/rest-api-spec/api/index.json
+++ b/rest-api-spec/src/main/resources/rest-api-spec/api/index.json
@@ -31,10 +31,6 @@
           "default" : "index",
           "description" : "Explicit operation type"
         },
-        "parent": {
-          "type" : "string",
-          "description" : "ID of the parent document"
-        },
         "refresh": {
           "type" : "enum",
           "options": ["true", "false", "wait_for"],
diff --git a/rest-api-spec/src/main/resources/rest-api-spec/api/mtermvectors.json b/rest-api-spec/src/main/resources/rest-api-spec/api/mtermvectors.json
index 58978b7d190fa..2205775e850a1 100644
--- a/rest-api-spec/src/main/resources/rest-api-spec/api/mtermvectors.json
+++ b/rest-api-spec/src/main/resources/rest-api-spec/api/mtermvectors.json
@@ -66,11 +66,6 @@
           "description" : "Specific routing value. Applies to all returned documents unless otherwise specified in body \"params\" or \"docs\".",
           "required" : false
         },
-        "parent" : {
-          "type" : "string",
-          "description" : "Parent id of documents. Applies to all returned documents unless otherwise specified in body \"params\" or \"docs\".",
-          "required" : false
-        },
         "realtime": {
           "type": "boolean",
           "description": "Specifies if requests are real-time as opposed to near-real-time (default: true).",
diff --git a/rest-api-spec/src/main/resources/rest-api-spec/api/termvectors.json b/rest-api-spec/src/main/resources/rest-api-spec/api/termvectors.json
index 3485c7a6cc103..2450727ad4d46 100644
--- a/rest-api-spec/src/main/resources/rest-api-spec/api/termvectors.json
+++ b/rest-api-spec/src/main/resources/rest-api-spec/api/termvectors.json
@@ -68,11 +68,6 @@
           "description" : "Specific routing value.",
           "required" : false
         },
-        "parent": {
-          "type" : "string",
-          "description" : "Parent id of documents.",
-          "required" : false
-        },
         "realtime": {
           "type": "boolean",
           "description": "Specifies if request is real-time as opposed to near-real-time (default: true).",
diff --git a/rest-api-spec/src/main/resources/rest-api-spec/api/update.json b/rest-api-spec/src/main/resources/rest-api-spec/api/update.json
index 106b29b252ad3..d1ef512a3b224 100644
--- a/rest-api-spec/src/main/resources/rest-api-spec/api/update.json
+++ b/rest-api-spec/src/main/resources/rest-api-spec/api/update.json
@@ -42,10 +42,6 @@
           "type": "string",
           "description": "The script language (default: painless)"
         },
-        "parent": {
-          "type": "string",
-          "description": "ID of the parent document. Is is only used for routing and when for the upsert request"
-        },
         "refresh": {
           "type" : "enum",
           "options": ["true", "false", "wait_for"],