diff --git a/go.mod b/go.mod
index d3495dbb..c44d81c0 100644
--- a/go.mod
+++ b/go.mod
@@ -43,7 +43,7 @@ require (
 	gotest.tools/v3 v3.5.2
 	mvdan.cc/sh/v3 v3.13.0
 	sigs.k8s.io/yaml v1.6.0
-	unikraft.com/cloud/sdk v0.0.0-20260408135319-27c8a525f615
+	unikraft.com/cloud/sdk v0.0.0-20260410093415-4a305de2be28
 	unikraft.com/x/colors v0.0.0-20260313145522-d793c36d706e
 	unikraft.com/x/fingerprint v0.0.0-20260126094137-ab6e717e5679
 	unikraft.com/x/guesstermwidth v0.0.0-20260304162956-523940cab1de
diff --git a/go.sum b/go.sum
index e0588d18..f95cb254 100644
--- a/go.sum
+++ b/go.sum
@@ -454,8 +454,8 @@ sigs.k8s.io/yaml v1.6.0 h1:G8fkbMSAFqgEFgh4b1wmtzDnioxFCUgTZhlbj5P9QYs=
 sigs.k8s.io/yaml v1.6.0/go.mod h1:796bPqUfzR/0jLAl6XjHl3Ck7MiyVv8dbTdyT3/pMf4=
 tailscale.com v1.94.1 h1:0dAst/ozTuFkgmxZULc3oNwR9+qPIt5ucvzH7kaM0Jw=
 tailscale.com v1.94.1/go.mod h1:gLnVrEOP32GWvroaAHHGhjSGMPJ1i4DvqNwEg+Yuov4=
-unikraft.com/cloud/sdk v0.0.0-20260408135319-27c8a525f615 h1:G8Y+c4bcm3bN5alfX66WhV3wrJfcIf5s6WStjIyEvlo=
-unikraft.com/cloud/sdk v0.0.0-20260408135319-27c8a525f615/go.mod h1:k4SxfgQFvFmUrBPVIMlU1eYPId9lCkO9/6J9o1sL08s=
+unikraft.com/cloud/sdk v0.0.0-20260410093415-4a305de2be28 h1:33typZqfrAK86//f/gdJBd5FDIV2U0a2edxFfkfQP9k=
+unikraft.com/cloud/sdk v0.0.0-20260410093415-4a305de2be28/go.mod h1:k4SxfgQFvFmUrBPVIMlU1eYPId9lCkO9/6J9o1sL08s=
 unikraft.com/x/colors v0.0.0-20260313145522-d793c36d706e h1:C/V6l4ut5XpcVTN5CvnskRv6NHDbyIeLdgFVLEJ9BIE=
 unikraft.com/x/colors v0.0.0-20260313145522-d793c36d706e/go.mod h1:SVlAGfyQ7MwJom7m9M2w83+TrO+nJoiLxeduJAxagEo=
 unikraft.com/x/fingerprint v0.0.0-20260126094137-ab6e717e5679 h1:zdvJjNkjsriS8RM46FcdgcRoCh4EYM66PGjqVgi/ups=
diff --git a/internal/cmd/instances.go b/internal/cmd/instances.go
index 04bbb8e0..67edbfc8 100644
--- a/internal/cmd/instances.go
+++ b/internal/cmd/instances.go
@@ -594,7 +594,15 @@ func (Instance) Delete(ctx context.Context, targets []resource.Resource) error {
 	}
 	return group.DoRefs(ctx, g, keys.Refs(), func(ctx context.Context, c multimetro.MetroClient, refs group.Refs) (group.Refs, error) {
 		log.G(ctx).Trace().Msg("deleting instances")
-		instances, err := c.DeleteInstances(ctx, refs.NameOrUUIDs(), platform.DeleteInstancesOpts{})
+		reqs := make([]platform.DeleteInstanceRequestItem, 0, len(refs))
+		for _, ref := range refs.NameOrUUIDs() {
+			reqs = append(reqs, platform.DeleteInstanceRequestItem{
+				Name:     ref.Name,
+				Uuid:     ref.Uuid,
+				TimeoutS: new(int64(-1)),
+			})
+		}
+		instances, err := c.DeleteInstances(ctx, reqs)
 		if err != nil && !platform.ErrorContainsOnly(err, platform.APIHTTPErrorNotFound) {
 			return nil, err
 		}
diff --git a/internal/resource/sandbox.go b/internal/resource/sandbox.go
index 4dfe1733..5e35481e 100644
--- a/internal/resource/sandbox.go
+++ b/internal/resource/sandbox.go
@@ -12,7 +12,6 @@ import (
 	"fmt"
 	"os"
 	"slices"
-	"time"
 
 	"unikraft.com/cloud/sdk/platform/group"
 	"unikraft.com/x/log"
@@ -133,10 +132,6 @@ func (s *Sandbox) Teardown(ctx context.Context) (rerr error) {
 			continue
 		}
 
-		// HACK: this is awful, but the platform can take a moment for things to
-		// get ready :(
-		time.Sleep(500 * time.Millisecond)
-
 		resources, err := r.Get(ctx, targets)
 		if err != nil {
 			var notFoundErr group.ErrRefNotFound