diff --git a/api-v3/src/asset-master/merged-inventory-dossier.service.ts b/api-v3/src/asset-master/merged-inventory-dossier.service.ts
index 619cdc5..7a09038 100644
--- a/api-v3/src/asset-master/merged-inventory-dossier.service.ts
+++ b/api-v3/src/asset-master/merged-inventory-dossier.service.ts
@@ -75,22 +75,21 @@ export class MergedInventoryDossierService {
     const media = sortDesc(collect('media'), ['capturedAt', 'createdAt']);
     const versions = sortDesc(collect('versions'), ['occurredAt']);
 
-    const timeline = dedupeById(
-      dossiers.flatMap(({ identity, dossier }) =>
-        ((dossier.timeline ?? []) as LooseRecord[]).map((event) => ({
-          ...event,
-          meta: {
-            ...(event.meta ?? {}),
-            historicalInventory: {
-              id: identity.id,
-              code: identity.code,
-              name: identity.name,
-              isCanonical: identity.id === canonical.id,
-            },
+    const timelineSource: LooseRecord[] = dossiers.flatMap(({ identity, dossier }) =>
+      ((dossier.timeline ?? []) as LooseRecord[]).map((event): LooseRecord => ({
+        ...event,
+        meta: {
+          ...(event.meta ?? {}),
+          historicalInventory: {
+            id: identity.id,
+            code: identity.code,
+            name: identity.name,
+            isCanonical: identity.id === canonical.id,
           },
-        })),
-      ),
+        },
+      })),
     );
+    const timeline: LooseRecord[] = dedupeById<LooseRecord>(timelineSource);
 
     for (const alias of aliases) {
       timeline.push({
@@ -121,7 +120,7 @@ export class MergedInventoryDossierService {
         id: canonical.id,
         code: canonical.code,
         name: canonical.name,
-        commonName: (dossiers.find((item) => item.assetId === canonical.id)?.identity?.commonName ?? null),
+        commonName: dossiers.find((item) => item.assetId === canonical.id)?.identity?.commonName ?? null,
       },
       requestedAsset: {
         id: requested.id,