diff --git a/src/managers/HeaderManager.ts b/src/managers/HeaderManager.ts
index 8ac9204..854cb23 100644
--- a/src/managers/HeaderManager.ts
+++ b/src/managers/HeaderManager.ts
@@ -132,7 +132,6 @@ export class HeaderManager {
     // Listen for workweek header updates after grid rebuild
     eventBus.on('workweek:header-update', (event) => {
       const { currentDate } = (event as CustomEvent).detail;
-      this.clearCache(); // Clear cache since DOM was cleared
       this.updateHeader(currentDate, null);
     });