diff --git a/staging/src/k8s.io/apiextensions-apiserver/pkg/apiserver/conversion/webhook_converter_test.go b/staging/src/k8s.io/apiextensions-apiserver/pkg/apiserver/conversion/webhook_converter_test.go
index a1ca6a2a60a..5c6766c09c1 100644
--- a/staging/src/k8s.io/apiextensions-apiserver/pkg/apiserver/conversion/webhook_converter_test.go
+++ b/staging/src/k8s.io/apiextensions-apiserver/pkg/apiserver/conversion/webhook_converter_test.go
@@ -23,13 +23,13 @@ import (
 
 	"github.com/google/go-cmp/cmp"
 
-	v1 "k8s.io/apiextensions-apiserver/pkg/apis/apiextensions/v1"
-	"k8s.io/apiextensions-apiserver/pkg/apis/apiextensions/v1beta1"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
 	"k8s.io/apimachinery/pkg/runtime"
-	"k8s.io/apimachinery/pkg/util/diff"
 	"k8s.io/apimachinery/pkg/util/validation"
+
+	v1 "k8s.io/apiextensions-apiserver/pkg/apis/apiextensions/v1"
+	"k8s.io/apiextensions-apiserver/pkg/apis/apiextensions/v1beta1"
 )
 
 func TestRestoreObjectMeta(t *testing.T) {
@@ -200,7 +200,7 @@ func TestRestoreObjectMeta(t *testing.T) {
 			}
 
 			if !reflect.DeepEqual(tt.converted, tt.expected) {
-				t.Errorf("unexpected result: %s", diff.ObjectDiff(tt.expected, tt.converted))
+				t.Errorf("unexpected result: %s", cmp.Diff(tt.expected, tt.converted))
 			}
 		})
 	}
diff --git a/staging/src/k8s.io/apiextensions-apiserver/pkg/apiserver/schema/convert_test.go b/staging/src/k8s.io/apiextensions-apiserver/pkg/apiserver/schema/convert_test.go
index 2910a28c2ad..66b89b01142 100644
--- a/staging/src/k8s.io/apiextensions-apiserver/pkg/apiserver/schema/convert_test.go
+++ b/staging/src/k8s.io/apiextensions-apiserver/pkg/apiserver/schema/convert_test.go
@@ -22,11 +22,11 @@ import (
 	"testing"
 	"time"
 
+	"github.com/google/go-cmp/cmp"
 	fuzz "github.com/google/gofuzz"
 
 	"k8s.io/apiextensions-apiserver/pkg/apis/apiextensions"
 	apiextensionsv1beta1 "k8s.io/apiextensions-apiserver/pkg/apis/apiextensions/v1beta1"
-	"k8s.io/apimachinery/pkg/util/diff"
 	"k8s.io/apimachinery/pkg/util/json"
 )
 
@@ -100,7 +100,7 @@ func TestStructuralRoundtripOrError(t *testing.T) {
 		}
 
 		if !reflect.DeepEqual(origSchema, internalSchema) {
-			t.Fatalf("original and result differ: %v", diff.ObjectDiff(origSchema, internalSchema))
+			t.Fatalf("original and result differ: %v", cmp.Diff(origSchema, internalSchema))
 		}
 	}
 }
diff --git a/staging/src/k8s.io/apiextensions-apiserver/pkg/apiserver/schema/objectmeta/algorithm_test.go b/staging/src/k8s.io/apiextensions-apiserver/pkg/apiserver/schema/objectmeta/algorithm_test.go
index 01b516c42e7..cd36ef85a87 100644
--- a/staging/src/k8s.io/apiextensions-apiserver/pkg/apiserver/schema/objectmeta/algorithm_test.go
+++ b/staging/src/k8s.io/apiextensions-apiserver/pkg/apiserver/schema/objectmeta/algorithm_test.go
@@ -22,9 +22,11 @@ import (
 	"strings"
 	"testing"
 
-	structuralschema "k8s.io/apiextensions-apiserver/pkg/apiserver/schema"
-	"k8s.io/apimachinery/pkg/util/diff"
+	"github.com/google/go-cmp/cmp"
+
 	"k8s.io/apimachinery/pkg/util/json"
+
+	structuralschema "k8s.io/apiextensions-apiserver/pkg/apiserver/schema"
 )
 
 func TestCoerce(t *testing.T) {
@@ -523,7 +525,7 @@ func TestCoerce(t *testing.T) {
 				if err != nil {
 					t.Fatalf("unexpected result mashalling error: %v", err)
 				}
-				t.Errorf("expected: %s\ngot: %s\ndiff: %s", tt.expected, buf.String(), diff.ObjectDiff(expected, in))
+				t.Errorf("expected: %s\ngot: %s\ndiff: %s", tt.expected, buf.String(), cmp.Diff(expected, in))
 			}
 			if !reflect.DeepEqual(unknownFields, tt.expectedUnknownFields) {
 				t.Errorf("expected unknown fields:\n\t%v\ngot:\n\t%v\n", strings.Join(tt.expectedUnknownFields, "\n\t"), strings.Join(unknownFields, "\n\t"))
diff --git a/staging/src/k8s.io/apiextensions-apiserver/pkg/apiserver/schema/pruning/algorithm_test.go b/staging/src/k8s.io/apiextensions-apiserver/pkg/apiserver/schema/pruning/algorithm_test.go
index 176b3a2c92d..6d06f9434de 100644
--- a/staging/src/k8s.io/apiextensions-apiserver/pkg/apiserver/schema/pruning/algorithm_test.go
+++ b/staging/src/k8s.io/apiextensions-apiserver/pkg/apiserver/schema/pruning/algorithm_test.go
@@ -22,10 +22,12 @@ import (
 	"strings"
 	"testing"
 
-	structuralschema "k8s.io/apiextensions-apiserver/pkg/apiserver/schema"
+	"github.com/google/go-cmp/cmp"
+
 	"k8s.io/apimachinery/pkg/runtime"
-	"k8s.io/apimachinery/pkg/util/diff"
 	"k8s.io/apimachinery/pkg/util/json"
+
+	structuralschema "k8s.io/apiextensions-apiserver/pkg/apiserver/schema"
 )
 
 func TestPrune(t *testing.T) {
@@ -586,7 +588,7 @@ func TestPrune(t *testing.T) {
 				if err != nil {
 					t.Fatalf("unexpected result mashalling error: %v", err)
 				}
-				t.Errorf("expected object: %s\ngot: %s\ndiff: %s", tt.expectedObject, buf.String(), diff.ObjectDiff(expectedObject, in))
+				t.Errorf("expected object: %s\ngot: %s\ndiff: %s", tt.expectedObject, buf.String(), cmp.Diff(expectedObject, in))
 			}
 			if !reflect.DeepEqual(pruned, tt.expectedPruned) {
 				t.Errorf("expected pruned:\n\t%v\ngot:\n\t%v\n", strings.Join(tt.expectedPruned, "\n\t"), strings.Join(pruned, "\n\t"))
@@ -602,7 +604,7 @@ func TestPrune(t *testing.T) {
 				if err != nil {
 					t.Fatalf("unexpected result mashalling error: %v", err)
 				}
-				t.Errorf("expected object: %s\ngot: %s\ndiff: %s", tt.expectedObject, buf.String(), diff.ObjectDiff(expectedObject, in))
+				t.Errorf("expected object: %s\ngot: %s\ndiff: %s", tt.expectedObject, buf.String(), cmp.Diff(expectedObject, in))
 			}
 			if len(emptyPruned) > 0 {
 				t.Errorf("unexpectedly returned pruned fields: %v", emptyPruned)
diff --git a/staging/src/k8s.io/apiextensions-apiserver/pkg/registry/customresource/etcd_test.go b/staging/src/k8s.io/apiextensions-apiserver/pkg/registry/customresource/etcd_test.go
index 87d50e623ff..151f5e6c545 100644
--- a/staging/src/k8s.io/apiextensions-apiserver/pkg/registry/customresource/etcd_test.go
+++ b/staging/src/k8s.io/apiextensions-apiserver/pkg/registry/customresource/etcd_test.go
@@ -24,6 +24,8 @@ import (
 	"testing"
 	"time"
 
+	"github.com/google/go-cmp/cmp"
+
 	autoscalingv1 "k8s.io/api/autoscaling/v1"
 	apiequality "k8s.io/apimachinery/pkg/api/equality"
 	"k8s.io/apimachinery/pkg/api/errors"
@@ -32,7 +34,6 @@ import (
 	"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
 	"k8s.io/apimachinery/pkg/runtime"
 	"k8s.io/apimachinery/pkg/runtime/schema"
-	"k8s.io/apimachinery/pkg/util/diff"
 	"k8s.io/apiserver/pkg/endpoints/handlers/fieldmanager"
 	genericapirequest "k8s.io/apiserver/pkg/endpoints/request"
 	"k8s.io/apiserver/pkg/registry/generic"
@@ -408,7 +409,7 @@ func TestScaleGet(t *testing.T) {
 
 	got := obj.(*autoscalingv1.Scale)
 	if !apiequality.Semantic.DeepEqual(got, want) {
-		t.Errorf("unexpected scale: %s", diff.ObjectDiff(got, want))
+		t.Errorf("unexpected scale: %s", cmp.Diff(got, want))
 	}
 }
 
diff --git a/staging/src/k8s.io/apiextensions-apiserver/test/integration/objectmeta_test.go b/staging/src/k8s.io/apiextensions-apiserver/test/integration/objectmeta_test.go
index b588c8c2df3..fe6f0607cb2 100644
--- a/staging/src/k8s.io/apiextensions-apiserver/test/integration/objectmeta_test.go
+++ b/staging/src/k8s.io/apiextensions-apiserver/test/integration/objectmeta_test.go
@@ -24,24 +24,25 @@ import (
 	"testing"
 	"time"
 
+	"github.com/google/go-cmp/cmp"
 	"go.etcd.io/etcd/client/pkg/v3/transport"
 	clientv3 "go.etcd.io/etcd/client/v3"
 	"google.golang.org/grpc"
 	"sigs.k8s.io/yaml"
 
-	apiextensionsv1 "k8s.io/apiextensions-apiserver/pkg/apis/apiextensions/v1"
-	"k8s.io/apiextensions-apiserver/pkg/client/clientset/clientset"
-	serveroptions "k8s.io/apiextensions-apiserver/pkg/cmd/server/options"
-	"k8s.io/apiextensions-apiserver/test/integration/fixtures"
 	"k8s.io/apimachinery/pkg/api/errors"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
 	"k8s.io/apimachinery/pkg/runtime/schema"
-	"k8s.io/apimachinery/pkg/util/diff"
 	"k8s.io/apimachinery/pkg/util/json"
 	genericapirequest "k8s.io/apiserver/pkg/endpoints/request"
 	"k8s.io/client-go/dynamic"
 	"k8s.io/utils/pointer"
+
+	apiextensionsv1 "k8s.io/apiextensions-apiserver/pkg/apis/apiextensions/v1"
+	"k8s.io/apiextensions-apiserver/pkg/client/clientset/clientset"
+	serveroptions "k8s.io/apiextensions-apiserver/pkg/cmd/server/options"
+	"k8s.io/apiextensions-apiserver/test/integration/fixtures"
 )
 
 func TestPostInvalidObjectMeta(t *testing.T) {
@@ -465,7 +466,7 @@ func TestEmbeddedResources(t *testing.T) {
 		t.Fatal(err)
 	}
 	if !reflect.DeepEqual(expected, foo.Object) {
-		t.Errorf("unexpected diff: %s", diff.ObjectDiff(expected, foo.Object))
+		t.Errorf("unexpected diff: %s", cmp.Diff(expected, foo.Object))
 	}
 
 	t.Logf("Trying to create wrongly typed CR")
diff --git a/staging/src/k8s.io/apiextensions-apiserver/test/integration/pruning_test.go b/staging/src/k8s.io/apiextensions-apiserver/test/integration/pruning_test.go
index eb8f38925a9..4db9d1ec652 100644
--- a/staging/src/k8s.io/apiextensions-apiserver/test/integration/pruning_test.go
+++ b/staging/src/k8s.io/apiextensions-apiserver/test/integration/pruning_test.go
@@ -24,6 +24,8 @@ import (
 	"testing"
 	"time"
 
+	"github.com/google/go-cmp/cmp"
+
 	apiextensionsv1 "k8s.io/apiextensions-apiserver/pkg/apis/apiextensions/v1"
 
 	"go.etcd.io/etcd/client/pkg/v3/transport"
@@ -37,7 +39,6 @@ import (
 	"k8s.io/apimachinery/pkg/runtime"
 	"k8s.io/apimachinery/pkg/runtime/schema"
 	types "k8s.io/apimachinery/pkg/types"
-	"k8s.io/apimachinery/pkg/util/diff"
 	"k8s.io/apimachinery/pkg/util/json"
 	genericapirequest "k8s.io/apiserver/pkg/endpoints/request"
 	"k8s.io/client-go/dynamic"
@@ -598,6 +599,6 @@ embeddedNested:
 		t.Fatal(err)
 	}
 	if !reflect.DeepEqual(expected, x) {
-		t.Errorf("unexpected diff: %s", diff.ObjectDiff(expected, x))
+		t.Errorf("unexpected diff: %s", cmp.Diff(expected, x))
 	}
 }