diff --git a/test/e2e/autoscaling/cluster_size_autoscaling.go b/test/e2e/autoscaling/cluster_size_autoscaling.go
index 6790f895603..6cfbc46cfe6 100644
--- a/test/e2e/autoscaling/cluster_size_autoscaling.go
+++ b/test/e2e/autoscaling/cluster_size_autoscaling.go
@@ -1008,7 +1008,7 @@ var _ = SIGDescribe("Cluster size autoscaling", framework.WithSlow(), func() {
 		replicaCount := 2 * nodeCount
 		reservedMemory := int(float64(replicaCount) * float64(0.7) * float64(memAllocatableMb))
 		cleanupFunc := ReserveMemoryWithSchedulerName(ctx, f, "memory-reservation", replicaCount, reservedMemory, false, 1, nonExistingBypassedSchedulerName)
-		defer cleanupFunc()
+		defer framework.ExpectNoError(cleanupFunc())
 		// Verify that cluster size is increased
 		ginkgo.By("Waiting for cluster scale-up")
 		sizeFunc := func(size int) bool {
@@ -1022,7 +1022,7 @@ var _ = SIGDescribe("Cluster size autoscaling", framework.WithSlow(), func() {
 		replicaCount := 1
 		reservedMemory := int(float64(0.5) * float64(memAllocatableMb))
 		cleanupFunc := ReserveMemoryWithSchedulerName(ctx, f, "memory-reservation", replicaCount, reservedMemory, false, 1, nonExistingBypassedSchedulerName)
-		defer cleanupFunc()
+		defer framework.ExpectNoError(cleanupFunc())
 		// Verify that cluster size is the same
 		ginkgo.By(fmt.Sprintf("Waiting for scale up hoping it won't happen, polling cluster size for %s", scaleUpTimeout.String()))
 		sizeFunc := func(size int) bool {
@@ -1038,7 +1038,7 @@ var _ = SIGDescribe("Cluster size autoscaling", framework.WithSlow(), func() {
 		reservedMemory := int(float64(replicaCount) * float64(0.7) * float64(memAllocatableMb))
 		schedulerName := "non-existent-scheduler-" + f.UniqueName
 		cleanupFunc := ReserveMemoryWithSchedulerName(ctx, f, "memory-reservation", replicaCount, reservedMemory, false, 1, schedulerName)
-		defer cleanupFunc()
+		defer framework.ExpectNoError(cleanupFunc())
 		// Verify that cluster size is the same
 		ginkgo.By(fmt.Sprintf("Waiting for scale up hoping it won't happen, polling cluster size for %s", scaleUpTimeout.String()))
 		sizeFunc := func(size int) bool {