Rejecting a VPC Peering Connection
You can reject any VPC peering connection request that you've received that's
pending-acceptance state. You should only accept VPC peering
connections from AWS accounts that you know and trust; you can reject any unwanted
To reject a VPC peering connection
Open the Amazon VPC console at https://console.aws.amazon.com/vpc/.
In the navigation pane, choose Peering Connections.
Select the VPC peering connection, and choose Actions, Reject Request.
In the confirmation dialog box, choose Yes, Reject.