Before you can delete a peering connection, you must delete the route entries of its initiator and acceptor.

Step 1: Delete route entries

To delete the custom route entries, follow these steps:
  1. Log on to the Express Connect console.
  2. In the left-side navigation pane, choose VPC Peering Connections > VPC-to-VPC.
  3. Select a region and find your target peering connection.
  4. Click the VPC ID of the initiator. On the VPC Details page, click the VPC ID again.
  5. In the Network Resources section, click the route table link. On the displayed Route Tables page, click the route table ID.
  6. Find the custom route entry destined for the on-premises data center and then click Delete.
  7. In the displayed dialog box, click OK.
  8. Repeat the preceding steps to delete the route entries of the acceptor.

Step 2: Delete the peering connection

To delete the peering connection, follow these steps:
  1. Log on to the Express Connect console.
  2. In the left-side navigation pane, choose VPC Peering Connections > VPC-to-VPC.
  3. Select a region and find your target peering connection.
  4. Choose > Suspend Initiator. In the displayed dialog box, click Confirm.
  5. Choose > Suspend Acceptor. In the displayed dialog box, click Confirm.
  6. Click > Delete. In the displayed dialog box, click Confirm.