diff --git a/admissionregistration/v1/types.go b/admissionregistration/v1/types.go
index 0510712b24..b9ce1f0335 100644
--- a/admissionregistration/v1/types.go
+++ b/admissionregistration/v1/types.go
@@ -203,7 +203,7 @@ type ValidatingAdmissionPolicyList struct {
 	// +optional
 	metav1.ListMeta `json:"metadata,omitempty" protobuf:"bytes,1,opt,name=metadata"`
 	// List of ValidatingAdmissionPolicy.
-	Items []ValidatingAdmissionPolicy `json:"items,omitempty" protobuf:"bytes,2,rep,name=items"`
+	Items []ValidatingAdmissionPolicy `json:"items" protobuf:"bytes,2,rep,name=items"`
 }
 
 // ValidatingAdmissionPolicySpec is the specification of the desired behavior of the AdmissionPolicy.
@@ -464,7 +464,7 @@ type ValidatingAdmissionPolicyBindingList struct {
 	// +optional
 	metav1.ListMeta `json:"metadata,omitempty" protobuf:"bytes,1,opt,name=metadata"`
 	// List of PolicyBinding.
-	Items []ValidatingAdmissionPolicyBinding `json:"items,omitempty" protobuf:"bytes,2,rep,name=items"`
+	Items []ValidatingAdmissionPolicyBinding `json:"items" protobuf:"bytes,2,rep,name=items"`
 }
 
 // ValidatingAdmissionPolicyBindingSpec is the specification of the ValidatingAdmissionPolicyBinding.
diff --git a/admissionregistration/v1alpha1/types.go b/admissionregistration/v1alpha1/types.go
index bd6b17e158..78d918bc72 100644
--- a/admissionregistration/v1alpha1/types.go
+++ b/admissionregistration/v1alpha1/types.go
@@ -142,7 +142,7 @@ type ValidatingAdmissionPolicyList struct {
 	// +optional
 	metav1.ListMeta `json:"metadata,omitempty" protobuf:"bytes,1,opt,name=metadata"`
 	// List of ValidatingAdmissionPolicy.
-	Items []ValidatingAdmissionPolicy `json:"items,omitempty" protobuf:"bytes,2,rep,name=items"`
+	Items []ValidatingAdmissionPolicy `json:"items" protobuf:"bytes,2,rep,name=items"`
 }
 
 // ValidatingAdmissionPolicySpec is the specification of the desired behavior of the AdmissionPolicy.
@@ -404,7 +404,7 @@ type ValidatingAdmissionPolicyBindingList struct {
 	// +optional
 	metav1.ListMeta `json:"metadata,omitempty" protobuf:"bytes,1,opt,name=metadata"`
 	// List of PolicyBinding.
-	Items []ValidatingAdmissionPolicyBinding `json:"items,omitempty" protobuf:"bytes,2,rep,name=items"`
+	Items []ValidatingAdmissionPolicyBinding `json:"items" protobuf:"bytes,2,rep,name=items"`
 }
 
 // ValidatingAdmissionPolicyBindingSpec is the specification of the ValidatingAdmissionPolicyBinding.
diff --git a/admissionregistration/v1beta1/types.go b/admissionregistration/v1beta1/types.go
index cf1e29a6ca..0f59031239 100644
--- a/admissionregistration/v1beta1/types.go
+++ b/admissionregistration/v1beta1/types.go
@@ -158,7 +158,7 @@ type ValidatingAdmissionPolicyList struct {
 	// +optional
 	metav1.ListMeta `json:"metadata,omitempty" protobuf:"bytes,1,opt,name=metadata"`
 	// List of ValidatingAdmissionPolicy.
-	Items []ValidatingAdmissionPolicy `json:"items,omitempty" protobuf:"bytes,2,rep,name=items"`
+	Items []ValidatingAdmissionPolicy `json:"items" protobuf:"bytes,2,rep,name=items"`
 }
 
 // ValidatingAdmissionPolicySpec is the specification of the desired behavior of the AdmissionPolicy.
@@ -419,7 +419,7 @@ type ValidatingAdmissionPolicyBindingList struct {
 	// +optional
 	metav1.ListMeta `json:"metadata,omitempty" protobuf:"bytes,1,opt,name=metadata"`
 	// List of PolicyBinding.
-	Items []ValidatingAdmissionPolicyBinding `json:"items,omitempty" protobuf:"bytes,2,rep,name=items"`
+	Items []ValidatingAdmissionPolicyBinding `json:"items" protobuf:"bytes,2,rep,name=items"`
 }
 
 // ValidatingAdmissionPolicyBindingSpec is the specification of the ValidatingAdmissionPolicyBinding.