diff --git a/.changeset/early-news-attend.md b/.changeset/early-news-attend.md
new file mode 100644
index 0000000000..4af1bc3d3e
--- /dev/null
+++ b/.changeset/early-news-attend.md
@@ -0,0 +1,5 @@
+---
+"@comet/cms-api": major
+---
+
+Remove lastUpdatedAt argument from update mutations
diff --git a/demo/admin/src/news/generated/NewsForm.gql.ts b/demo/admin/src/news/generated/NewsForm.gql.ts
index d01a097fd2..543e76760b 100644
--- a/demo/admin/src/news/generated/NewsForm.gql.ts
+++ b/demo/admin/src/news/generated/NewsForm.gql.ts
@@ -47,8 +47,8 @@ export const createNewsMutation = gql`
 `;
 
 export const updateNewsMutation = gql`
-    mutation UpdateNews($id: ID!, $input: NewsUpdateInput!, $lastUpdatedAt: DateTime) {
-        updateNews(id: $id, input: $input, lastUpdatedAt: $lastUpdatedAt) {
+    mutation UpdateNews($id: ID!, $input: NewsUpdateInput!) {
+        updateNews(id: $id, input: $input) {
             id
             updatedAt
             ...NewsForm
diff --git a/demo/admin/src/news/generated/NewsForm.tsx b/demo/admin/src/news/generated/NewsForm.tsx
index 63116e1d98..d544041fd6 100644
--- a/demo/admin/src/news/generated/NewsForm.tsx
+++ b/demo/admin/src/news/generated/NewsForm.tsx
@@ -118,7 +118,7 @@ export function NewsForm({ id }: FormProps): React.ReactElement {
             }
             await client.mutate<GQLUpdateNewsMutation, GQLUpdateNewsMutationVariables>({
                 mutation: updateNewsMutation,
-                variables: { id, input: output, lastUpdatedAt: data?.news?.updatedAt },
+                variables: { id, input: output },
             });
         } else {
             const { data: mutationResponse } = await client.mutate<GQLCreateNewsMutation, GQLCreateNewsMutationVariables>({
diff --git a/demo/admin/src/products/ProductForm.gql.ts b/demo/admin/src/products/ProductForm.gql.ts
index 9305524507..0948923ac6 100644
--- a/demo/admin/src/products/ProductForm.gql.ts
+++ b/demo/admin/src/products/ProductForm.gql.ts
@@ -43,8 +43,8 @@ export const createProductMutation = gql`
 `;
 
 export const updateProductMutation = gql`
-    mutation UpdateProduct($id: ID!, $input: ProductUpdateInput!, $lastUpdatedAt: DateTime) {
-        updateProduct(id: $id, input: $input, lastUpdatedAt: $lastUpdatedAt) {
+    mutation UpdateProduct($id: ID!, $input: ProductUpdateInput!) {
+        updateProduct(id: $id, input: $input) {
             id
             updatedAt
             ...ProductFormManual
diff --git a/demo/admin/src/products/ProductForm.tsx b/demo/admin/src/products/ProductForm.tsx
index 039a7bc17f..cda66c0f9a 100644
--- a/demo/admin/src/products/ProductForm.tsx
+++ b/demo/admin/src/products/ProductForm.tsx
@@ -113,7 +113,7 @@ function ProductForm({ id }: FormProps): React.ReactElement {
             if (!id) throw new Error();
             await client.mutate<GQLUpdateProductMutation, GQLUpdateProductMutationVariables>({
                 mutation: updateProductMutation,
-                variables: { id, input: output, lastUpdatedAt: data?.product.updatedAt },
+                variables: { id, input: output },
             });
         } else {
             const { data: mutationResponse } = await client.mutate<GQLCreateProductMutation, GQLCreateProductMutationVariables>({
diff --git a/demo/admin/src/products/ProductPriceForm.gql.ts b/demo/admin/src/products/ProductPriceForm.gql.ts
index 65f3c901b6..dbc6cd7345 100644
--- a/demo/admin/src/products/ProductPriceForm.gql.ts
+++ b/demo/admin/src/products/ProductPriceForm.gql.ts
@@ -18,8 +18,8 @@ export const productPriceFormQuery = gql`
 `;
 
 export const updateProductPriceFormMutation = gql`
-    mutation ProductPriceFormUpdateProduct($id: ID!, $input: ProductUpdateInput!, $lastUpdatedAt: DateTime) {
-        updateProduct(id: $id, input: $input, lastUpdatedAt: $lastUpdatedAt) {
+    mutation ProductPriceFormUpdateProduct($id: ID!, $input: ProductUpdateInput!) {
+        updateProduct(id: $id, input: $input) {
             id
             updatedAt
             ...ProductPriceForm
diff --git a/demo/admin/src/products/ProductPriceForm.tsx b/demo/admin/src/products/ProductPriceForm.tsx
index 930d382c77..ff754a5bea 100644
--- a/demo/admin/src/products/ProductPriceForm.tsx
+++ b/demo/admin/src/products/ProductPriceForm.tsx
@@ -59,7 +59,7 @@ function ProductPriceForm({ id }: FormProps): React.ReactElement {
         };
         await client.mutate<GQLProductPriceFormUpdateProductMutation, GQLProductPriceFormUpdateProductMutationVariables>({
             mutation: updateProductPriceFormMutation,
-            variables: { id, input: output, lastUpdatedAt: data?.product.updatedAt },
+            variables: { id, input: output },
         });
     };
 
diff --git a/demo/admin/src/products/categories/ProductCategoryForm.gql.ts b/demo/admin/src/products/categories/ProductCategoryForm.gql.ts
index 6965d1ea62..fb02d4a08c 100644
--- a/demo/admin/src/products/categories/ProductCategoryForm.gql.ts
+++ b/demo/admin/src/products/categories/ProductCategoryForm.gql.ts
@@ -38,8 +38,8 @@ export const createProductCategoryMutation = gql`
 `;
 
 export const updateProductCategoryMutation = gql`
-    mutation ProductCategoryFormUpdateProductCategory($id: ID!, $input: ProductCategoryUpdateInput!, $lastUpdatedAt: DateTime) {
-        updateProductCategory(id: $id, input: $input, lastUpdatedAt: $lastUpdatedAt) {
+    mutation ProductCategoryFormUpdateProductCategory($id: ID!, $input: ProductCategoryUpdateInput!) {
+        updateProductCategory(id: $id, input: $input) {
             id
             updatedAt
             ...ProductCategoryForm
diff --git a/demo/admin/src/products/categories/ProductCategoryForm.tsx b/demo/admin/src/products/categories/ProductCategoryForm.tsx
index 0135657548..7327059c8c 100644
--- a/demo/admin/src/products/categories/ProductCategoryForm.tsx
+++ b/demo/admin/src/products/categories/ProductCategoryForm.tsx
@@ -95,7 +95,7 @@ function ProductCategoryForm({ id }: FormProps): React.ReactElement {
             if (!id) throw new Error();
             await client.mutate<GQLProductCategoryFormUpdateProductCategoryMutation, GQLProductCategoryFormUpdateProductCategoryMutationVariables>({
                 mutation: updateProductCategoryMutation,
-                variables: { id, input: output, lastUpdatedAt: data?.productCategory.updatedAt },
+                variables: { id, input: output },
             });
         } else {
             const { data: mutationResponse } = await client.mutate<
diff --git a/demo/admin/src/products/future/generated/ProductForm.gql.tsx b/demo/admin/src/products/future/generated/ProductForm.gql.tsx
index 3f0e399718..de7c10ffc6 100644
--- a/demo/admin/src/products/future/generated/ProductForm.gql.tsx
+++ b/demo/admin/src/products/future/generated/ProductForm.gql.tsx
@@ -55,8 +55,8 @@ export const createProductMutation = gql`
     ${productFormFragment}
 `;
 export const updateProductMutation = gql`
-    mutation UpdateProduct($id: ID!, $input: ProductUpdateInput!, $lastUpdatedAt: DateTime) {
-        updateProduct(id: $id, input: $input, lastUpdatedAt: $lastUpdatedAt) {
+    mutation UpdateProduct($id: ID!, $input: ProductUpdateInput!) {
+        updateProduct(id: $id, input: $input) {
             id
             updatedAt
             ...ProductFormDetails
diff --git a/demo/admin/src/products/future/generated/ProductForm.tsx b/demo/admin/src/products/future/generated/ProductForm.tsx
index a8389abb40..1732edc85f 100644
--- a/demo/admin/src/products/future/generated/ProductForm.tsx
+++ b/demo/admin/src/products/future/generated/ProductForm.tsx
@@ -112,7 +112,7 @@ export function ProductForm({ id }: FormProps): React.ReactElement {
             if (!id) throw new Error();
             await client.mutate<GQLUpdateProductMutation, GQLUpdateProductMutationVariables>({
                 mutation: updateProductMutation,
-                variables: { id, input: output, lastUpdatedAt: data?.product.updatedAt },
+                variables: { id, input: output },
             });
         } else {
             const { data: mutationResponse } = await client.mutate<GQLCreateProductMutation, GQLCreateProductMutationVariables>({
diff --git a/demo/admin/src/products/generated/ProductForm.gql.ts b/demo/admin/src/products/generated/ProductForm.gql.ts
index 7a02cf280c..3b851ef4af 100644
--- a/demo/admin/src/products/generated/ProductForm.gql.ts
+++ b/demo/admin/src/products/generated/ProductForm.gql.ts
@@ -48,8 +48,8 @@ export const createProductMutation = gql`
 `;
 
 export const updateProductMutation = gql`
-    mutation UpdateProduct($id: ID!, $input: ProductUpdateInput!, $lastUpdatedAt: DateTime) {
-        updateProduct(id: $id, input: $input, lastUpdatedAt: $lastUpdatedAt) {
+    mutation UpdateProduct($id: ID!, $input: ProductUpdateInput!) {
+        updateProduct(id: $id, input: $input) {
             id
             updatedAt
             ...ProductForm
diff --git a/demo/admin/src/products/generated/ProductForm.tsx b/demo/admin/src/products/generated/ProductForm.tsx
index d65f0d4d84..8577d4c636 100644
--- a/demo/admin/src/products/generated/ProductForm.tsx
+++ b/demo/admin/src/products/generated/ProductForm.tsx
@@ -111,7 +111,7 @@ export function ProductForm({ id }: FormProps): React.ReactElement {
             }
             await client.mutate<GQLUpdateProductMutation, GQLUpdateProductMutationVariables>({
                 mutation: updateProductMutation,
-                variables: { id, input: output, lastUpdatedAt: data?.product?.updatedAt },
+                variables: { id, input: output },
             });
         } else {
             const { data: mutationResponse } = await client.mutate<GQLCreateProductMutation, GQLCreateProductMutationVariables>({
diff --git a/demo/admin/src/products/tags/ProductTagForm.gql.ts b/demo/admin/src/products/tags/ProductTagForm.gql.ts
index 4176eb847b..e9fdad6870 100644
--- a/demo/admin/src/products/tags/ProductTagForm.gql.ts
+++ b/demo/admin/src/products/tags/ProductTagForm.gql.ts
@@ -37,8 +37,8 @@ export const createProductTagMutation = gql`
 `;
 
 export const updateProductTagMutation = gql`
-    mutation ProductTagFormUpdateProductTag($id: ID!, $input: ProductTagUpdateInput!, $lastUpdatedAt: DateTime) {
-        updateProductTag(id: $id, input: $input, lastUpdatedAt: $lastUpdatedAt) {
+    mutation ProductTagFormUpdateProductTag($id: ID!, $input: ProductTagUpdateInput!) {
+        updateProductTag(id: $id, input: $input) {
             id
             updatedAt
             ...ProductTagForm
diff --git a/demo/admin/src/products/tags/ProductTagForm.tsx b/demo/admin/src/products/tags/ProductTagForm.tsx
index d0dea723e0..cda49e8e30 100644
--- a/demo/admin/src/products/tags/ProductTagForm.tsx
+++ b/demo/admin/src/products/tags/ProductTagForm.tsx
@@ -92,7 +92,7 @@ function ProductTagForm({ id }: FormProps): React.ReactElement {
             if (!id) throw new Error();
             await client.mutate<GQLProductTagFormUpdateProductTagMutation, GQLProductTagFormUpdateProductTagMutationVariables>({
                 mutation: updateProductTagMutation,
-                variables: { id, input: output, lastUpdatedAt: data?.productTag.updatedAt },
+                variables: { id, input: output },
             });
         } else {
             const { data: mutationResponse } = await client.mutate<
diff --git a/demo/api/schema.gql b/demo/api/schema.gql
index 98ed082fdd..cc581c4d5e 100644
--- a/demo/api/schema.gql
+++ b/demo/api/schema.gql
@@ -1098,29 +1098,29 @@ type Mutation {
   moveDamFolders(folderIds: [ID!]!, targetFolderId: ID, scope: DamScopeInput!): [DamFolder!]!
   deleteDamFolder(id: ID!): Boolean!
   createNews(scope: NewsContentScopeInput!, input: NewsInput!): News!
-  updateNews(id: ID!, input: NewsUpdateInput!, lastUpdatedAt: DateTime): News!
+  updateNews(id: ID!, input: NewsUpdateInput!): News!
   deleteNews(id: ID!): Boolean!
   createNewsComment(newsId: ID!, input: NewsCommentInput!): NewsComment!
-  updateNewsComment(id: ID!, input: NewsCommentInput!, lastUpdatedAt: DateTime): NewsComment!
+  updateNewsComment(id: ID!, input: NewsCommentInput!): NewsComment!
   deleteNewsComment(id: ID!): Boolean!
   updateMainMenuItem(pageTreeNodeId: ID!, input: MainMenuItemInput!, lastUpdatedAt: DateTime): MainMenuItem!
-  saveFooter(scope: FooterContentScopeInput!, input: FooterInput!, lastUpdatedAt: DateTime): Footer!
+  saveFooter(scope: FooterContentScopeInput!, input: FooterInput!): Footer!
   savePredefinedPage(id: ID!, input: PredefinedPageInput!, attachedPageTreeNodeId: ID!, lastUpdatedAt: DateTime): PredefinedPage!
   triggerKubernetesCronJob(name: String!): KubernetesJob!
   createProduct(input: ProductInput!): Product!
-  updateProduct(id: ID!, input: ProductUpdateInput!, lastUpdatedAt: DateTime): Product!
+  updateProduct(id: ID!, input: ProductUpdateInput!): Product!
   deleteProduct(id: ID!): Boolean!
   createProductCategory(input: ProductCategoryInput!): ProductCategory!
-  updateProductCategory(id: ID!, input: ProductCategoryUpdateInput!, lastUpdatedAt: DateTime): ProductCategory!
+  updateProductCategory(id: ID!, input: ProductCategoryUpdateInput!): ProductCategory!
   deleteProductCategory(id: ID!): Boolean!
   createProductTag(input: ProductTagInput!): ProductTag!
-  updateProductTag(id: ID!, input: ProductTagUpdateInput!, lastUpdatedAt: DateTime): ProductTag!
+  updateProductTag(id: ID!, input: ProductTagUpdateInput!): ProductTag!
   deleteProductTag(id: ID!): Boolean!
   createProductVariant(product: ID!, input: ProductVariantInput!): ProductVariant!
-  updateProductVariant(id: ID!, input: ProductVariantUpdateInput!, lastUpdatedAt: DateTime): ProductVariant!
+  updateProductVariant(id: ID!, input: ProductVariantUpdateInput!): ProductVariant!
   deleteProductVariant(id: ID!): Boolean!
   createManufacturer(input: ManufacturerInput!): Manufacturer!
-  updateManufacturer(id: ID!, input: ManufacturerUpdateInput!, lastUpdatedAt: DateTime): Manufacturer!
+  updateManufacturer(id: ID!, input: ManufacturerUpdateInput!): Manufacturer!
   deleteManufacturer(id: ID!): Boolean!
 }
 
diff --git a/demo/api/src/footer/generated/footer.resolver.ts b/demo/api/src/footer/generated/footer.resolver.ts
index 2d0d828c0b..f89bd1e701 100644
--- a/demo/api/src/footer/generated/footer.resolver.ts
+++ b/demo/api/src/footer/generated/footer.resolver.ts
@@ -1,6 +1,6 @@
 // This file has been generated by comet api-generator.
 // You may choose to use this file as scaffold by moving this file out of generated folder and removing this comment.
-import { RequiredPermission, validateNotModified } from "@comet/cms-api";
+import { RequiredPermission } from "@comet/cms-api";
 import { InjectRepository } from "@mikro-orm/nestjs";
 import { EntityManager, EntityRepository } from "@mikro-orm/postgresql";
 import { Args, Mutation, Query, Resolver } from "@nestjs/graphql";
@@ -33,7 +33,6 @@ export class FooterResolver {
     async saveFooter(
         @Args("scope", { type: () => FooterContentScope }) scope: FooterContentScope,
         @Args("input", { type: () => FooterInput }) input: FooterInput,
-        @Args("lastUpdatedAt", { type: () => Date, nullable: true }) lastUpdatedAt?: Date,
     ): Promise<Footer> {
         let footer = await this.repository.findOne({ scope });
 
@@ -42,17 +41,13 @@ export class FooterResolver {
                 ...input,
                 scope,
             });
-        } else if (lastUpdatedAt) {
-            if (lastUpdatedAt) {
-                validateNotModified(footer, lastUpdatedAt);
-            }
-
-            footer.assign({
-                ...input,
-                content: input.content.transformToBlockData(),
-            });
         }
 
+        footer.assign({
+            ...input,
+            content: input.content.transformToBlockData(),
+        });
+
         await this.entityManager.flush();
 
         return footer;
diff --git a/demo/api/src/news/generated/news.resolver.ts b/demo/api/src/news/generated/news.resolver.ts
index 96bd946303..ab2ee23815 100644
--- a/demo/api/src/news/generated/news.resolver.ts
+++ b/demo/api/src/news/generated/news.resolver.ts
@@ -1,6 +1,6 @@
 // This file has been generated by comet api-generator.
 // You may choose to use this file as scaffold by moving this file out of generated folder and removing this comment.
-import { AffectedEntity, extractGraphqlFields, RequiredPermission, validateNotModified } from "@comet/cms-api";
+import { AffectedEntity, extractGraphqlFields, RequiredPermission } from "@comet/cms-api";
 import { FindOptions } from "@mikro-orm/core";
 import { InjectRepository } from "@mikro-orm/nestjs";
 import { EntityManager, EntityRepository } from "@mikro-orm/postgresql";
@@ -92,12 +92,8 @@ export class NewsResolver {
     async updateNews(
         @Args("id", { type: () => ID }) id: string,
         @Args("input", { type: () => NewsUpdateInput }) input: NewsUpdateInput,
-        @Args("lastUpdatedAt", { type: () => Date, nullable: true }) lastUpdatedAt?: Date,
     ): Promise<News> {
         const news = await this.repository.findOneOrFail(id);
-        if (lastUpdatedAt) {
-            validateNotModified(news, lastUpdatedAt);
-        }
 
         const { image: imageInput, content: contentInput, ...assignInput } = input;
         news.assign({
diff --git a/demo/api/src/news/news-comment.resolver.ts b/demo/api/src/news/news-comment.resolver.ts
index cb9f5093db..7e503fa036 100644
--- a/demo/api/src/news/news-comment.resolver.ts
+++ b/demo/api/src/news/news-comment.resolver.ts
@@ -36,13 +36,8 @@ export class NewsCommentResolver {
     async updateNewsComment(
         @Args("id", { type: () => ID }) id: string,
         @Args("input", { type: () => NewsCommentInput }) input: NewsCommentInput,
-        @Args("lastUpdatedAt", { type: () => Date, nullable: true }) lastUpdatedAt?: Date,
     ): Promise<NewsComment> {
         const newsComment = await this.newsCommentRepository.findOneOrFail(id);
-        console.log(lastUpdatedAt);
-        if (lastUpdatedAt) {
-            //validateNotModified(newsComment, lastUpdatedAt);
-        }
         newsComment.assign({
             ...input,
         });
diff --git a/demo/api/src/products/generated/manufacturer.resolver.ts b/demo/api/src/products/generated/manufacturer.resolver.ts
index 63f39e0e64..9d95177c35 100644
--- a/demo/api/src/products/generated/manufacturer.resolver.ts
+++ b/demo/api/src/products/generated/manufacturer.resolver.ts
@@ -1,6 +1,6 @@
 // This file has been generated by comet api-generator.
 // You may choose to use this file as scaffold by moving this file out of generated folder and removing this comment.
-import { AffectedEntity, RequiredPermission, validateNotModified } from "@comet/cms-api";
+import { AffectedEntity, RequiredPermission } from "@comet/cms-api";
 import { FindOptions } from "@mikro-orm/core";
 import { InjectRepository } from "@mikro-orm/nestjs";
 import { EntityManager, EntityRepository } from "@mikro-orm/postgresql";
@@ -62,12 +62,8 @@ export class ManufacturerResolver {
     async updateManufacturer(
         @Args("id", { type: () => ID }) id: string,
         @Args("input", { type: () => ManufacturerUpdateInput }) input: ManufacturerUpdateInput,
-        @Args("lastUpdatedAt", { type: () => Date, nullable: true }) lastUpdatedAt?: Date,
     ): Promise<Manufacturer> {
         const manufacturer = await this.repository.findOneOrFail(id);
-        if (lastUpdatedAt) {
-            validateNotModified(manufacturer, lastUpdatedAt);
-        }
 
         manufacturer.assign({
             ...input,
diff --git a/demo/api/src/products/generated/product-category.resolver.ts b/demo/api/src/products/generated/product-category.resolver.ts
index fa960ea697..cc1a79839c 100644
--- a/demo/api/src/products/generated/product-category.resolver.ts
+++ b/demo/api/src/products/generated/product-category.resolver.ts
@@ -1,6 +1,6 @@
 // This file has been generated by comet api-generator.
 // You may choose to use this file as scaffold by moving this file out of generated folder and removing this comment.
-import { AffectedEntity, extractGraphqlFields, RequiredPermission, validateNotModified } from "@comet/cms-api";
+import { AffectedEntity, extractGraphqlFields, RequiredPermission } from "@comet/cms-api";
 import { FindOptions } from "@mikro-orm/core";
 import { InjectRepository } from "@mikro-orm/nestjs";
 import { EntityManager, EntityRepository } from "@mikro-orm/postgresql";
@@ -81,12 +81,8 @@ export class ProductCategoryResolver {
     async updateProductCategory(
         @Args("id", { type: () => ID }) id: string,
         @Args("input", { type: () => ProductCategoryUpdateInput }) input: ProductCategoryUpdateInput,
-        @Args("lastUpdatedAt", { type: () => Date, nullable: true }) lastUpdatedAt?: Date,
     ): Promise<ProductCategory> {
         const productCategory = await this.repository.findOneOrFail(id);
-        if (lastUpdatedAt) {
-            validateNotModified(productCategory, lastUpdatedAt);
-        }
 
         productCategory.assign({
             ...input,
diff --git a/demo/api/src/products/generated/product-tag.resolver.ts b/demo/api/src/products/generated/product-tag.resolver.ts
index b9bd1fe5ca..9fbe7510e8 100644
--- a/demo/api/src/products/generated/product-tag.resolver.ts
+++ b/demo/api/src/products/generated/product-tag.resolver.ts
@@ -1,6 +1,6 @@
 // This file has been generated by comet api-generator.
 // You may choose to use this file as scaffold by moving this file out of generated folder and removing this comment.
-import { AffectedEntity, extractGraphqlFields, RequiredPermission, validateNotModified } from "@comet/cms-api";
+import { AffectedEntity, extractGraphqlFields, RequiredPermission } from "@comet/cms-api";
 import { FindOptions, Reference } from "@mikro-orm/core";
 import { InjectRepository } from "@mikro-orm/nestjs";
 import { EntityManager, EntityRepository } from "@mikro-orm/postgresql";
@@ -83,12 +83,8 @@ export class ProductTagResolver {
     async updateProductTag(
         @Args("id", { type: () => ID }) id: string,
         @Args("input", { type: () => ProductTagUpdateInput }) input: ProductTagUpdateInput,
-        @Args("lastUpdatedAt", { type: () => Date, nullable: true }) lastUpdatedAt?: Date,
     ): Promise<ProductTag> {
         const productTag = await this.repository.findOneOrFail(id);
-        if (lastUpdatedAt) {
-            validateNotModified(productTag, lastUpdatedAt);
-        }
 
         const { products: productsInput, ...assignInput } = input;
         productTag.assign({
diff --git a/demo/api/src/products/generated/product-variant.resolver.ts b/demo/api/src/products/generated/product-variant.resolver.ts
index 0da9a3c353..b3bfdd9782 100644
--- a/demo/api/src/products/generated/product-variant.resolver.ts
+++ b/demo/api/src/products/generated/product-variant.resolver.ts
@@ -1,6 +1,6 @@
 // This file has been generated by comet api-generator.
 // You may choose to use this file as scaffold by moving this file out of generated folder and removing this comment.
-import { AffectedEntity, extractGraphqlFields, RequiredPermission, validateNotModified } from "@comet/cms-api";
+import { AffectedEntity, extractGraphqlFields, RequiredPermission } from "@comet/cms-api";
 import { FindOptions, Reference } from "@mikro-orm/core";
 import { InjectRepository } from "@mikro-orm/nestjs";
 import { EntityManager, EntityRepository } from "@mikro-orm/postgresql";
@@ -87,12 +87,8 @@ export class ProductVariantResolver {
     async updateProductVariant(
         @Args("id", { type: () => ID }) id: string,
         @Args("input", { type: () => ProductVariantUpdateInput }) input: ProductVariantUpdateInput,
-        @Args("lastUpdatedAt", { type: () => Date, nullable: true }) lastUpdatedAt?: Date,
     ): Promise<ProductVariant> {
         const productVariant = await this.repository.findOneOrFail(id);
-        if (lastUpdatedAt) {
-            validateNotModified(productVariant, lastUpdatedAt);
-        }
 
         const { image: imageInput, ...assignInput } = input;
         productVariant.assign({
diff --git a/demo/api/src/products/generated/product.resolver.ts b/demo/api/src/products/generated/product.resolver.ts
index 2b11669788..5514b0c810 100644
--- a/demo/api/src/products/generated/product.resolver.ts
+++ b/demo/api/src/products/generated/product.resolver.ts
@@ -1,6 +1,6 @@
 // This file has been generated by comet api-generator.
 // You may choose to use this file as scaffold by moving this file out of generated folder and removing this comment.
-import { AffectedEntity, extractGraphqlFields, RequiredPermission, validateNotModified } from "@comet/cms-api";
+import { AffectedEntity, extractGraphqlFields, RequiredPermission } from "@comet/cms-api";
 import { FindOptions, Reference } from "@mikro-orm/core";
 import { InjectRepository } from "@mikro-orm/nestjs";
 import { EntityManager, EntityRepository } from "@mikro-orm/postgresql";
@@ -139,12 +139,8 @@ export class ProductResolver {
     async updateProduct(
         @Args("id", { type: () => ID }) id: string,
         @Args("input", { type: () => ProductUpdateInput }) input: ProductUpdateInput,
-        @Args("lastUpdatedAt", { type: () => Date, nullable: true }) lastUpdatedAt?: Date,
     ): Promise<Product> {
         const product = await this.repository.findOneOrFail(id);
-        if (lastUpdatedAt) {
-            validateNotModified(product, lastUpdatedAt);
-        }
 
         const {
             colors: colorsInput,
diff --git a/packages/admin/cms-admin/src/generator/future/generateForm.ts b/packages/admin/cms-admin/src/generator/future/generateForm.ts
index c210baa3fa..0c6c37b804 100644
--- a/packages/admin/cms-admin/src/generator/future/generateForm.ts
+++ b/packages/admin/cms-admin/src/generator/future/generateForm.ts
@@ -82,8 +82,8 @@ export function generateForm(
     `;
 
     gqlDocuments[`update${gqlType}Mutation`] = `
-        mutation Update${gqlType}($id: ID!, $input: ${gqlType}UpdateInput!, $lastUpdatedAt: DateTime) {
-            update${gqlType}(id: $id, input: $input, lastUpdatedAt: $lastUpdatedAt) {
+        mutation Update${gqlType}($id: ID!, $input: ${gqlType}UpdateInput!) {
+            update${gqlType}(id: $id, input: $input) {
                 id
                 updatedAt
                 ...${fragmentName}
@@ -234,7 +234,7 @@ export function generateForm(
                 if (!id) throw new Error();
                 await client.mutate<GQLUpdate${gqlType}Mutation, GQLUpdate${gqlType}MutationVariables>({
                     mutation: update${gqlType}Mutation,
-                    variables: { id, input: output, lastUpdatedAt: data?.${instanceGqlType}.updatedAt },
+                    variables: { id, input: output },
                 });
             } else {
                 const { data: mutationResponse } = await client.mutate<GQLCreate${gqlType}Mutation, GQLCreate${gqlType}MutationVariables>({
diff --git a/packages/admin/cms-admin/src/generator/generateForm.ts b/packages/admin/cms-admin/src/generator/generateForm.ts
index ea258badc3..91fd0c6772 100644
--- a/packages/admin/cms-admin/src/generator/generateForm.ts
+++ b/packages/admin/cms-admin/src/generator/generateForm.ts
@@ -88,8 +88,8 @@ export async function writeCrudForm(generatorConfig: CrudGeneratorConfig, schema
     \`
     
     export const update${entityName}Mutation = gql\`
-        mutation Update${entityName}($id: ID!, $input: ${entityName}UpdateInput!, $lastUpdatedAt: DateTime) {
-            update${entityName}(id: $id, input: $input, lastUpdatedAt: $lastUpdatedAt) {
+        mutation Update${entityName}($id: ID!, $input: ${entityName}UpdateInput!) {
+            update${entityName}(id: $id, input: $input) {
                 id
                 updatedAt
                 ...${entityName}Form
@@ -243,7 +243,7 @@ export async function writeCrudForm(generatorConfig: CrudGeneratorConfig, schema
                 }
                 await client.mutate<GQLUpdate${entityName}Mutation, GQLUpdate${entityName}MutationVariables>({
                     mutation: update${entityName}Mutation,
-                    variables: { id, input: output, lastUpdatedAt: data?.${instanceEntityName}?.updatedAt },
+                    variables: { id, input: output },
                 });
             } else {
                 const { data: mutationResponse } = await client.mutate<GQLCreate${entityName}Mutation, GQLCreate${entityName}MutationVariables>({
diff --git a/packages/api/cms-api/src/generator/generate-crud-single.ts b/packages/api/cms-api/src/generator/generate-crud-single.ts
index 8efbb181ae..8930a6bc8b 100644
--- a/packages/api/cms-api/src/generator/generate-crud-single.ts
+++ b/packages/api/cms-api/src/generator/generate-crud-single.ts
@@ -20,7 +20,6 @@ export async function generateCrudSingle(generatorOptions: CrudSingleGeneratorOp
 
         const scopeProp = metadata.props.find((prop) => prop.name == "scope");
         if (scopeProp && !scopeProp.targetMeta) throw new Error("Scope prop has no targetMeta");
-        const hasUpdatedAt = metadata.props.some((prop) => prop.name == "updatedAt");
         const blockProps = metadata.props.filter((prop) => {
             return hasFieldFeature(metadata.class, prop.name, "input") && prop.type === "RootBlockType";
         });
@@ -80,8 +79,7 @@ export async function generateCrudSingle(generatorOptions: CrudSingleGeneratorOp
         @Mutation(() => ${metadata.className})
         async save${classNameSingular}(
             ${scopeProp ? `@Args("scope", { type: () => ${scopeProp.type} }) scope: ${scopeProp.type},` : ""}
-            @Args("input", { type: () => ${classNameSingular}Input }) input: ${classNameSingular}Input,
-            ${hasUpdatedAt ? `@Args("lastUpdatedAt", { type: () => Date, nullable: true }) lastUpdatedAt?: Date,` : ""}
+            @Args("input", { type: () => ${classNameSingular}Input }) input: ${classNameSingular}Input
         ): Promise<${metadata.className}> {
             let ${instanceNameSingular} = await this.repository.findOne({${scopeProp ? `scope` : ""}});
 
@@ -90,16 +88,12 @@ export async function generateCrudSingle(generatorOptions: CrudSingleGeneratorOp
                     ...input,
                     ${scopeProp ? `scope,` : ""} 
                 });
-            } else if (lastUpdatedAt) {
-                if (lastUpdatedAt) {
-                    validateNotModified(${instanceNameSingular}, lastUpdatedAt);
-                }
-    
-                ${instanceNameSingular}.assign({
-                    ...input,
-                    ${blockProps.length ? `${blockProps.map((prop) => `${prop.name}: input.${prop.name}.transformToBlockData()`).join(", ")}, ` : ""}
-                });
             }
+
+            ${instanceNameSingular}.assign({
+                ...input,
+                ${blockProps.length ? `${blockProps.map((prop) => `${prop.name}: input.${prop.name}.transformToBlockData()`).join(", ")}, ` : ""}
+            });
     
             await this.entityManager.flush();
     
diff --git a/packages/api/cms-api/src/generator/generate-crud.ts b/packages/api/cms-api/src/generator/generate-crud.ts
index 1fc0b63a11..0fb300b3ff 100644
--- a/packages/api/cms-api/src/generator/generate-crud.ts
+++ b/packages/api/cms-api/src/generator/generate-crud.ts
@@ -119,7 +119,6 @@ export function buildOptions(metadata: EntityMetadata<any>) {
 
     const scopeProp = metadata.props.find((prop) => prop.name == "scope");
     if (scopeProp && !scopeProp.targetMeta) throw new Error("Scope prop has no targetMeta");
-    const hasUpdatedAt = metadata.props.some((prop) => prop.name == "updatedAt");
     const argsClassName = `${classNameSingular != classNamePlural ? classNamePlural : `${classNamePlural}List`}Args`;
     const argsFileName = `${fileNameSingular != fileNamePlural ? fileNamePlural : `${fileNameSingular}-list`}.args`;
 
@@ -139,7 +138,6 @@ export function buildOptions(metadata: EntityMetadata<any>) {
         statusActiveItems,
         hasStatusFilter,
         scopeProp,
-        hasUpdatedAt,
         argsClassName,
         argsFileName,
         blockProps,
@@ -797,7 +795,6 @@ function generateResolver({ generatorOptions, metadata }: { generatorOptions: Cr
         statusProp,
         statusActiveItems,
         hasStatusFilter,
-        hasUpdatedAt,
         rootArgProps,
     } = buildOptions(metadata);
 
@@ -1025,17 +1022,9 @@ function generateResolver({ generatorOptions, metadata }: { generatorOptions: Cr
         @AffectedEntity(${metadata.className})
         async update${classNameSingular}(
             ${generateIdArg("id", metadata)},
-            @Args("input", { type: () => ${classNameSingular}UpdateInput }) input: ${classNameSingular}UpdateInput,
-            ${hasUpdatedAt ? `@Args("lastUpdatedAt", { type: () => Date, nullable: true }) lastUpdatedAt?: Date,` : ""}
+            @Args("input", { type: () => ${classNameSingular}UpdateInput }) input: ${classNameSingular}UpdateInput
         ): Promise<${metadata.className}> {
             const ${instanceNameSingular} = await this.repository.findOneOrFail(id);
-            ${
-                hasUpdatedAt
-                    ? `if (lastUpdatedAt) {
-                validateNotModified(${instanceNameSingular}, lastUpdatedAt);
-            }`
-                    : ""
-            }
             ${generateInputHandling({ mode: "update", inputName: "input", assignEntityCode: `${instanceNameSingular}.assign({` }, metadata)}
 
             await this.entityManager.flush();