1 files changed, 1 insertions, 2 deletions

diff --git a/src/burn/engine/msiengine.h b/src/burn/engine/msiengine.h
index 8b5bcdd0..e4155a62 100644
--- a/src/burn/engine/msiengine.h
+++ b/src/burn/engine/msiengine.h
@@ -49,8 +49,7 @@ HRESULT MsiEnginePlanAddPackage(
     __in BURN_PACKAGE* pPackage,
     __in BURN_PLAN* pPlan,
     __in BURN_LOGGING* pLog,
-    __in BURN_VARIABLES* pVariables,
-    __in_opt HANDLE hCacheEvent
+    __in BURN_VARIABLES* pVariables
     );
 HRESULT MsiEngineBeginTransaction(
     __in BURN_ROLLBACK_BOUNDARY* pRollbackBoundary