diff --git a/api-v3/src/asset-master/inventory-function.service.ts b/api-v3/src/asset-master/inventory-function.service.ts
index 7cdd581..8b5c644 100644
--- a/api-v3/src/asset-master/inventory-function.service.ts
+++ b/api-v3/src/asset-master/inventory-function.service.ts
@@ -8,8 +8,7 @@ import { DataSource, EntityManager } from 'typeorm';
 import { administrationAuditContext } from '../administration/common/administration-audit';
 import { AuditService } from '../audit/audit.service';
 import type { AuthPrincipal, RequestWithContext } from '../common/http/request-context';
-import { AuditAction, AssetVersionChangeType } from '../database/entities';
-import { AssetHistoryService } from './asset-history.service';
+import { AuditAction } from '../database/entities';
 import type {
   ChangeInventoryFunctionDto,
   CreateInventoryFunctionDto,
@@ -65,7 +64,6 @@ export class InventoryFunctionService {
   constructor(
     private readonly dataSource: DataSource,
     private readonly audit: AuditService,
-    private readonly history: AssetHistoryService,
   ) {}
 
   async list(includeInactive = false): Promise<{ data: InventoryFunctionRow[] }> {
@@ -207,13 +205,6 @@ export class InventoryFunctionService {
       await manager.query(`
         UPDATE assets SET updated_by=$2,updated_at=CURRENT_TIMESTAMP WHERE id=$1
       `, [assetId, principal.userId]);
-      const versionNumber = await this.history.capture(
-        manager,
-        assetId,
-        AssetVersionChangeType.FUNCTION_CHANGED,
-        principal,
-        request,
-      );
       const after = await this.getForAssetWithManager(manager, assetId);
       await this.audit.record({
         ...administrationAuditContext(principal, request),
@@ -236,8 +227,8 @@ export class InventoryFunctionService {
         metadata: {
           inventoryCode: asset.code,
           inventoryName: asset.name,
-          versionNumber,
           temporal: true,
+          historySource: 'inventory_function_assignments',
         },
       }, manager);
       return after;