diff --git a/util/conditions/setter.go b/util/conditions/setter.go
index fcea28476a73..376c2c0890bb 100644
--- a/util/conditions/setter.go
+++ b/util/conditions/setter.go
@@ -116,7 +116,9 @@ func Delete(to Setter, conditionType string) {
 	}
 
 	conditions := to.GetConditions()
-	newConditions := make([]metav1.Condition, 0, len(conditions)-1)
+	// allocate same length array because the conditions length might be 0
+	// or the condition to be deleted might not be part of the list.
+	newConditions := make([]metav1.Condition, 0, len(conditions))
 	for _, condition := range conditions {
 		if condition.Type != conditionType {
 			newConditions = append(newConditions, condition)
diff --git a/util/deprecated/v1beta1/conditions/v1beta2/setter.go b/util/deprecated/v1beta1/conditions/v1beta2/setter.go
index 75b1042b94e7..cbc1136642d1 100644
--- a/util/deprecated/v1beta1/conditions/v1beta2/setter.go
+++ b/util/deprecated/v1beta1/conditions/v1beta2/setter.go
@@ -117,7 +117,9 @@ func Delete(to Setter, conditionType string) {
 	}
 
 	conditions := to.GetV1Beta2Conditions()
-	newConditions := make([]metav1.Condition, 0, len(conditions)-1)
+	// allocate same length array because the conditions length might be 0
+	// or the condition to be deleted might not be part of the list.
+	newConditions := make([]metav1.Condition, 0, len(conditions))
 	for _, condition := range conditions {
 		if condition.Type != conditionType {
 			newConditions = append(newConditions, condition)