diff --git a/plugin/src/fieldActions/assistFieldActions.tsx b/plugin/src/fieldActions/assistFieldActions.tsx
index 6b6b665..386017e 100644
--- a/plugin/src/fieldActions/assistFieldActions.tsx
+++ b/plugin/src/fieldActions/assistFieldActions.tsx
@@ -23,6 +23,7 @@ import {PrivateIcon} from './PrivateIcon'
 import {generateCaptionsActions} from './generateCaptionActions'
 import {useDocumentPane} from 'sanity/desk'
 import {useSelectedField, useTypePath} from '../assistInspector/helpers'
+import {isSchemaAssistEnabled} from '../helpers/assistSupported'
 
 function node(node: DocumentFieldActionItem | DocumentFieldActionGroup) {
   return node
@@ -69,7 +70,10 @@ export const assistFieldActions: DocumentFieldAction = {
     })
 
     const isSelectable = !!useSelectedField(documentSchemaType, typePath)
-    const assistSupported = useAssistSupported(props.path, schemaType) && isSelectable
+    const assistSupported =
+      useAssistSupported(props.path, schemaType) &&
+      isSelectable &&
+      isSchemaAssistEnabled(documentSchemaType)
 
     const fieldAssist = useMemo(
       () =>
diff --git a/plugin/src/plugin.tsx b/plugin/src/plugin.tsx
index e3c0911..7c7fd30 100644
--- a/plugin/src/plugin.tsx
+++ b/plugin/src/plugin.tsx
@@ -50,7 +50,10 @@ export const assist = definePlugin<AssistPluginConfig | void>((config) => {
       },
       unstable_languageFilter: (prev, {documentId, schema, schemaType}) => {
         const docSchema = schema.get(schemaType) as ObjectSchemaType
-        return [...prev, createAssistDocumentPresence(documentId, docSchema)]
+        if (isSchemaAssistEnabled(docSchema)) {
+          return [...prev, createAssistDocumentPresence(documentId, docSchema)]
+        }
+        return prev
       },
     },
 
diff --git a/plugin/src/schemas/serialize/serializeSchema.test.ts b/plugin/src/schemas/serialize/serializeSchema.test.ts
index 60f9d54..7449dda 100644
--- a/plugin/src/schemas/serialize/serializeSchema.test.ts
+++ b/plugin/src/schemas/serialize/serializeSchema.test.ts
@@ -23,6 +23,28 @@ const mockStudioTypes = [
 ]
 
 describe('serializeSchema', () => {
+  test('should not serialize excluded document schema', () => {
+    const schema = Schema.compile({
+      name: 'test',
+      types: [
+        defineType({
+          type: 'document',
+          name: 'article',
+          fields: [{type: 'string', name: 'title'}],
+          options: {
+            aiWritingAssistance: {
+              exclude: true,
+            },
+          },
+        }),
+      ],
+    })
+
+    const serializedTypes = serializeSchema(schema, {leanFormat: true})
+
+    expect(serializedTypes).toEqual([])
+  })
+
   test('should serialize simple schema', () => {
     const schema = Schema.compile({
       name: 'test',
diff --git a/plugin/src/schemas/serialize/serializeSchema.ts b/plugin/src/schemas/serialize/serializeSchema.ts
index 9a97cd6..686accd 100644
--- a/plugin/src/schemas/serialize/serializeSchema.ts
+++ b/plugin/src/schemas/serialize/serializeSchema.ts
@@ -29,6 +29,7 @@ export function serializeSchema(schema: Schema, options?: Options): SerializedSc
     .filter((t) => !(hiddenTypes.includes(t) || t.startsWith('sanity.')))
     .map((t) => schema.get(t))
     .filter((t): t is SchemaType => !!t)
+    .filter((t) => isAssistSupported(t))
     .filter((t) => !t.hidden && !t.readOnly)
     .map((t) => getSchemaStub(t, schema, options))
     .filter((t) => {