diff --git a/pkg/cmd/oauth-apiserver/testing/integration.go b/pkg/cmd/oauth-apiserver/testing/integration.go
index c530e1de6..db3cc05cf 100644
--- a/pkg/cmd/oauth-apiserver/testing/integration.go
+++ b/pkg/cmd/oauth-apiserver/testing/integration.go
@@ -1,7 +1,6 @@
 package testing
 
 import (
-	"io/ioutil"
 	"os"
 	"strings"
 
@@ -14,7 +13,7 @@ import (
 // StartDefaultTestServer starts a test server with default test flags.
 func StartDefaultTestServer(t Logger, storageConfig *storagebackend.Config, flags ...string) (func(), *rest.Config, error) {
 	// create kubeconfig which will not actually be used. But authz/authn needs it to startup.
-	fakeKubeConfig, err := ioutil.TempFile("", "kubeconfig")
+	fakeKubeConfig, err := os.CreateTemp("", "kubeconfig")
 	if err != nil {
 		return nil, nil, err
 	}
diff --git a/pkg/cmd/oauth-apiserver/testing/testserver.go b/pkg/cmd/oauth-apiserver/testing/testserver.go
index 3800569fb..05ffc9bd3 100644
--- a/pkg/cmd/oauth-apiserver/testing/testserver.go
+++ b/pkg/cmd/oauth-apiserver/testing/testserver.go
@@ -3,7 +3,6 @@ package testing
 import (
 	"context"
 	"fmt"
-	"io/ioutil"
 	"net"
 	"os"
 	"path"
@@ -60,7 +59,7 @@ func StartTestServer(t Logger, customFlags []string, storageConfig *storagebacke
 		}
 	}()
 
-	result.TmpDir, err = ioutil.TempDir("", "openshift-apiserver")
+	result.TmpDir, err = os.MkdirTemp("", "openshift-apiserver")
 	if err != nil {
 		return result, fmt.Errorf("failed to create temp dir: %v", err)
 	}
diff --git a/test/e2e/tokenreviews.go b/test/e2e/tokenreviews.go
index 18dfa3540..92baa3485 100644
--- a/test/e2e/tokenreviews.go
+++ b/test/e2e/tokenreviews.go
@@ -5,7 +5,7 @@ import (
 	"context"
 	"crypto/tls"
 	"encoding/json"
-	"io/ioutil"
+	"io"
 	"net/http"
 	"testing"
 
@@ -54,7 +54,7 @@ func TestTokenReviews(t *testing.T) {
 	require.NoError(t, err)
 	defer resp.Body.Close()
 
-	respBodyBytes, err := ioutil.ReadAll(resp.Body)
+	respBodyBytes, err := io.ReadAll(resp.Body)
 	require.NoError(t, err)
 
 	tokenReviewResp := &kauthenticationv1.TokenReview{}
@@ -69,7 +69,7 @@ func TestTokenReviews(t *testing.T) {
 	require.NoError(t, err)
 	defer resp.Body.Close()
 
-	respBodyBytes, err = ioutil.ReadAll(resp.Body)
+	respBodyBytes, err = io.ReadAll(resp.Body)
 	require.NoError(t, err)
 
 	tokenReviewResp = &kauthenticationv1.TokenReview{}