diff --git a/definitions/3.0.0/messageObject.json b/definitions/3.0.0/messageObject.json
index b7719d01..87c066f3 100644
--- a/definitions/3.0.0/messageObject.json
+++ b/definitions/3.0.0/messageObject.json
@@ -13,9 +13,6 @@
     "headers": {
       "$ref": "http://asyncapi.com/definitions/3.0.0/anySchema.json"
     },
-    "messageId": {
-      "type": "string"
-    },
     "payload": {
       "$ref": "http://asyncapi.com/definitions/3.0.0/anySchema.json"
     },
diff --git a/definitions/3.0.0/messageTrait.json b/definitions/3.0.0/messageTrait.json
index fd0f0475..86717cf0 100644
--- a/definitions/3.0.0/messageTrait.json
+++ b/definitions/3.0.0/messageTrait.json
@@ -13,9 +13,6 @@
     "headers": {
       "$ref": "http://asyncapi.com/definitions/3.0.0/anySchema.json"
     },
-    "messageId": {
-      "type": "string"
-    },
     "correlationId": {
       "oneOf": [
         {
diff --git a/schemas/3.0.0-without-$id.json b/schemas/3.0.0-without-$id.json
index 48afe849..d604e3b5 100644
--- a/schemas/3.0.0-without-$id.json
+++ b/schemas/3.0.0-without-$id.json
@@ -1994,9 +1994,6 @@
                 "headers": {
                     "$ref": "#/definitions/anySchema"
                 },
-                "messageId": {
-                    "type": "string"
-                },
                 "payload": {
                     "$ref": "#/definitions/anySchema"
                 },
@@ -3768,9 +3765,6 @@
                 "headers": {
                     "$ref": "#/definitions/anySchema"
                 },
-                "messageId": {
-                    "type": "string"
-                },
                 "correlationId": {
                     "oneOf": [
                         {
diff --git a/schemas/3.0.0.json b/schemas/3.0.0.json
index 9f51664e..eb8dc85a 100644
--- a/schemas/3.0.0.json
+++ b/schemas/3.0.0.json
@@ -2041,9 +2041,6 @@
                 "headers": {
                     "$ref": "http://asyncapi.com/definitions/3.0.0/anySchema.json"
                 },
-                "messageId": {
-                    "type": "string"
-                },
                 "payload": {
                     "$ref": "http://asyncapi.com/definitions/3.0.0/anySchema.json"
                 },
@@ -3831,9 +3828,6 @@
                 "headers": {
                     "$ref": "http://asyncapi.com/definitions/3.0.0/anySchema.json"
                 },
-                "messageId": {
-                    "type": "string"
-                },
                 "correlationId": {
                     "oneOf": [
                         {