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 f21d2606364d1..65fcf02807ba1 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
@@ -33,10 +33,6 @@
           "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 792f9d89609bf..0152374028832 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
@@ -33,10 +33,6 @@
           "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 3debd3edce585..2a451344521e4 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
@@ -33,10 +33,6 @@
           "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 89f9c33e5fb44..30e56141ec001 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
@@ -30,10 +30,6 @@
         }
       },
       "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 12aa7a8dca942..203ef23c9cc10 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
@@ -55,10 +55,6 @@
           "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 5b2203c94deb9..f4e0fdd5f90ef 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
@@ -33,10 +33,6 @@
           "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 a26691edc41fc..d6f6964aa7c36 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
@@ -30,10 +30,6 @@
         }
       },
       "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 2a2053d2250a0..438032980a3c5 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
@@ -43,10 +43,6 @@
           "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 ac73f84e30d6d..aaff8e73259cf 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
@@ -62,11 +62,6 @@
           "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 0570433507055..bbbdc7c87ad0b 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
@@ -62,11 +62,6 @@
           "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 b85c70be57d9e..02435190674cf 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
@@ -49,10 +49,6 @@
           "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"],