diff --git a/modules/ec2/windows/locals.tf b/modules/ec2/windows/locals.tf
index f552a2c..286af3b 100644
--- a/modules/ec2/windows/locals.tf
+++ b/modules/ec2/windows/locals.tf
@@ -18,7 +18,6 @@ locals {
   # Add networking parameters if available
   network_parameters = local.vpc_id != null ? {
     VpcId    = local.vpc_id
-    SubnetId = local.selected_subnet_id
     AZName   = local.az_name
   } : {}