diff --git a/src/app/component/modal-message/modal-message.component.ts b/src/app/component/modal-message/modal-message.component.ts
index ac7c35cd..bd5e3ab2 100644
--- a/src/app/component/modal-message/modal-message.component.ts
+++ b/src/app/component/modal-message/modal-message.component.ts
@@ -20,16 +20,7 @@ export class ModalMessageComponent implements OnInit {
 
   DSOMM_host: string = 'https://github.com/devsecopsmaturitymodel';
   DSOMM_url: string = `${this.DSOMM_host}/DevSecOps-MaturityModel-data`;
-  meassageTemplates: Record<string, DialogInfo> = {
-    generated_yaml: new DialogInfo(
-      `{message}\n\n` +
-        `Please download the activity template \`generated.yaml\` ` +
-        `from [DSOMM-data](${this.DSOMM_url}) on GitHub.\n\n` +
-        'The DSOMM activities are maintained and distributed ' +
-        'separately from the software.',
-      'DSOMM startup problems'
-    ),
-  };
+  meassageTemplates: Record<string, DialogInfo> = {};
 
   constructor(
     public dialog: MatDialog,
diff --git a/src/app/service/loader/data-loader.service.ts b/src/app/service/loader/data-loader.service.ts
index 79c49ddc..9dc41801 100644
--- a/src/app/service/loader/data-loader.service.ts
+++ b/src/app/service/loader/data-loader.service.ts
@@ -148,14 +148,12 @@ export class LoaderService {
   private async loadActivities(meta: MetaStore): Promise<ActivityStore> {
     const activityStore = new ActivityStore();
     const errors: string[] = [];
-    let usingLegacyYamlFile = false;
 
     if (meta.activityFiles.length == 0) {
       throw new MissingModelError('No `activityFiles` are specified in `meta.yaml`.');
     }
     for (let filename of meta.activityFiles) {
       if (this.debug) console.log(`${perfNow()}s: Loading activity file: ${filename}`);
-      usingLegacyYamlFile ||= filename.endsWith('generated/generated.yaml');
 
       const response: ActivityFile = await this.loadActivityFile(filename);
 
@@ -173,16 +171,12 @@ export class LoaderService {
       // Handle validation errors
       if (errors.length > 0) {
         errors.forEach(error => console.error(error));
-
-        // Legacy generated.yaml has several data validation problems. Do not report these
-        if (!usingLegacyYamlFile) {
-          throw new DataValidationError(
-            'Data validation error after loading: ' +
-              filename +
-              '\n\n----\n\n' +
-              errors.join('\n\n')
-          );
-        }
+        throw new DataValidationError(
+          'Data validation error after loading: ' +
+            filename +
+            '\n\n----\n\n' +
+            errors.join('\n\n')
+        );
       }
     }
     return activityStore;
diff --git a/src/assets/YAML/meta.yaml b/src/assets/YAML/meta.yaml
index f655a1d9..088862a1 100644
--- a/src/assets/YAML/meta.yaml
+++ b/src/assets/YAML/meta.yaml
@@ -26,8 +26,7 @@ teamGroups:
   $ref: 'default/teams.yaml#/teamGroups'
 
 activityFiles:
-    # - generated/generated.yaml # Old structure -  No longer used
-    - default/model.yaml 
+    - default/model.yaml
     # - custom/custom-activities.yaml  # For customizing your own activities