diff --git a/staging/src/k8s.io/apiextensions-apiserver/pkg/apis/apiextensions/deepcopy.go b/staging/src/k8s.io/apiextensions-apiserver/pkg/apis/apiextensions/deepcopy.go
index 2bd5d529310..52c65ccbe35 100644
--- a/staging/src/k8s.io/apiextensions-apiserver/pkg/apis/apiextensions/deepcopy.go
+++ b/staging/src/k8s.io/apiextensions-apiserver/pkg/apis/apiextensions/deepcopy.go
@@ -291,9 +291,11 @@ func (in *JSONSchemaProps) DeepCopy() *JSONSchemaProps {
 	}
 
 	if in.XValidations != nil {
-		in, out := &in.XValidations, &out.XValidations
-		*out = make([]ValidationRule, len(*in))
-		copy(*out, *in)
+		inValidations, outValidations := &in.XValidations, &out.XValidations
+		*outValidations = make([]ValidationRule, len(*inValidations))
+		for i := range *inValidations {
+			in.XValidations[i].DeepCopyInto(&out.XValidations[i])
+		}
 	}
 
 	return out
diff --git a/staging/src/k8s.io/apiextensions-apiserver/pkg/apis/apiextensions/v1/deepcopy.go b/staging/src/k8s.io/apiextensions-apiserver/pkg/apis/apiextensions/v1/deepcopy.go
index 28dfb99f18e..c548e642d4d 100644
--- a/staging/src/k8s.io/apiextensions-apiserver/pkg/apis/apiextensions/v1/deepcopy.go
+++ b/staging/src/k8s.io/apiextensions-apiserver/pkg/apis/apiextensions/v1/deepcopy.go
@@ -251,9 +251,11 @@ func (in *JSONSchemaProps) DeepCopy() *JSONSchemaProps {
 	}
 
 	if in.XValidations != nil {
-		in, out := &in.XValidations, &out.XValidations
-		*out = make([]ValidationRule, len(*in))
-		copy(*out, *in)
+		inValidations, outValidations := &in.XValidations, &out.XValidations
+		*outValidations = make([]ValidationRule, len(*inValidations))
+		for i := range *inValidations {
+			in.XValidations[i].DeepCopyInto(&out.XValidations[i])
+		}
 	}
 
 	return out
diff --git a/staging/src/k8s.io/apiextensions-apiserver/pkg/apis/apiextensions/v1beta1/deepcopy.go b/staging/src/k8s.io/apiextensions-apiserver/pkg/apis/apiextensions/v1beta1/deepcopy.go
index 9f64585dad2..3a2ee68072e 100644
--- a/staging/src/k8s.io/apiextensions-apiserver/pkg/apis/apiextensions/v1beta1/deepcopy.go
+++ b/staging/src/k8s.io/apiextensions-apiserver/pkg/apis/apiextensions/v1beta1/deepcopy.go
@@ -267,9 +267,11 @@ func (in *JSONSchemaProps) DeepCopy() *JSONSchemaProps {
 	}
 
 	if in.XValidations != nil {
-		in, out := &in.XValidations, &out.XValidations
-		*out = make([]ValidationRule, len(*in))
-		copy(*out, *in)
+		inValidations, outValidations := &in.XValidations, &out.XValidations
+		*outValidations = make([]ValidationRule, len(*inValidations))
+		for i := range *inValidations {
+			in.XValidations[i].DeepCopyInto(&out.XValidations[i])
+		}
 	}
 
 	return out