diff --git a/acme4j-client/src/main/java/org/shredzone/acme4j/Account.java b/acme4j-client/src/main/java/org/shredzone/acme4j/Account.java
index 43ba00f2..85b14e2f 100644
--- a/acme4j-client/src/main/java/org/shredzone/acme4j/Account.java
+++ b/acme4j-client/src/main/java/org/shredzone/acme4j/Account.java
@@ -16,7 +16,6 @@ package org.shredzone.acme4j;
 import static java.util.stream.Collectors.toList;
 import static org.shredzone.acme4j.toolbox.AcmeUtils.*;
 
-import java.net.HttpURLConnection;
 import java.net.URI;
 import java.net.URL;
 import java.security.KeyPair;
@@ -168,7 +167,7 @@ public class Account extends AcmeJsonResource {
                     .put("type", "dns")
                     .put("value", toAce(domain));
 
-            conn.sendSignedRequest(newAuthzUrl, claims, getSession(), HttpURLConnection.HTTP_CREATED);
+            conn.sendSignedRequest(newAuthzUrl, claims, getSession());
 
             Authorization auth = new Authorization(getSession(), conn.getLocation());
             auth.setJSON(conn.readJsonResponse());
diff --git a/acme4j-client/src/main/java/org/shredzone/acme4j/AccountBuilder.java b/acme4j-client/src/main/java/org/shredzone/acme4j/AccountBuilder.java
index 8ce195a3..ffdeae48 100644
--- a/acme4j-client/src/main/java/org/shredzone/acme4j/AccountBuilder.java
+++ b/acme4j-client/src/main/java/org/shredzone/acme4j/AccountBuilder.java
@@ -16,7 +16,6 @@ package org.shredzone.acme4j;
 import static java.util.Objects.requireNonNull;
 import static org.shredzone.acme4j.toolbox.AcmeUtils.macKeyAlgorithm;
 
-import java.net.HttpURLConnection;
 import java.net.URI;
 import java.net.URL;
 import java.security.PublicKey;
@@ -177,15 +176,12 @@ public class AccountBuilder {
                 claims.put("onlyReturnExisting", onlyExisting);
             }
 
-            int resp = conn.sendSignedRequest(resourceUrl, claims, session, true, HttpURLConnection.HTTP_OK, HttpURLConnection.HTTP_CREATED);
+            conn.sendSignedRequest(resourceUrl, claims, session, true);
 
             URL location = conn.getLocation();
 
             Account account = new Account(session, location);
-
-            if (resp == HttpURLConnection.HTTP_CREATED) {
-                account.setJSON(conn.readJsonResponse());
-            }
+            account.setJSON(conn.readJsonResponse());
             return account;
         }
     }
diff --git a/acme4j-client/src/main/java/org/shredzone/acme4j/OrderBuilder.java b/acme4j-client/src/main/java/org/shredzone/acme4j/OrderBuilder.java
index 9fa84e66..6255dc7b 100644
--- a/acme4j-client/src/main/java/org/shredzone/acme4j/OrderBuilder.java
+++ b/acme4j-client/src/main/java/org/shredzone/acme4j/OrderBuilder.java
@@ -16,7 +16,6 @@ package org.shredzone.acme4j;
 import static java.util.Objects.requireNonNull;
 import static org.shredzone.acme4j.toolbox.AcmeUtils.toAce;
 
-import java.net.HttpURLConnection;
 import java.time.Instant;
 import java.util.Collection;
 import java.util.Iterator;
@@ -147,7 +146,7 @@ public class OrderBuilder {
                 claims.put("notAfter", notAfter);
             }
 
-            conn.sendSignedRequest(session.resourceUrl(Resource.NEW_ORDER), claims, session, HttpURLConnection.HTTP_CREATED);
+            conn.sendSignedRequest(session.resourceUrl(Resource.NEW_ORDER), claims, session);
 
             Order order = new Order(session, conn.getLocation());
             order.setJSON(conn.readJsonResponse());
diff --git a/acme4j-client/src/main/java/org/shredzone/acme4j/connector/Connection.java b/acme4j-client/src/main/java/org/shredzone/acme4j/connector/Connection.java
index 15139d54..125e2062 100644
--- a/acme4j-client/src/main/java/org/shredzone/acme4j/connector/Connection.java
+++ b/acme4j-client/src/main/java/org/shredzone/acme4j/connector/Connection.java
@@ -61,11 +61,9 @@ public interface Connection extends AutoCloseable {
      *            {@link JSONBuilder} containing claims. Must not be {@code null}.
      * @param session
      *            {@link Session} instance to be used for signing and tracking
-     * @param httpStatus
-     *            Acceptable HTTP states. 200 OK if empty.
      * @return HTTP 200 class status that was returned
      */
-    int sendSignedRequest(URL url, JSONBuilder claims, Session session, int... httpStatus)
+    int sendSignedRequest(URL url, JSONBuilder claims, Session session)
                 throws AcmeException;
 
     /**
@@ -85,11 +83,9 @@ public interface Connection extends AutoCloseable {
      *            {@code true} to enforce a "jwk" header field even if a KeyIdentifier is
      *            set, {@code false} to choose between "kid" and "jwk" header field
      *            automatically
-     * @param httpStatus
-     *            Acceptable HTTP states. 200 OK if empty.
      * @return HTTP 200 class status that was returned
      */
-    int sendSignedRequest(URL url, JSONBuilder claims, Session session, boolean enforceJwk, int... httpStatus)
+    int sendSignedRequest(URL url, JSONBuilder claims, Session session, boolean enforceJwk)
                 throws AcmeException;
 
     /**
diff --git a/acme4j-client/src/main/java/org/shredzone/acme4j/connector/DefaultConnection.java b/acme4j-client/src/main/java/org/shredzone/acme4j/connector/DefaultConnection.java
index e165c857..1578ffe9 100644
--- a/acme4j-client/src/main/java/org/shredzone/acme4j/connector/DefaultConnection.java
+++ b/acme4j-client/src/main/java/org/shredzone/acme4j/connector/DefaultConnection.java
@@ -30,7 +30,6 @@ import java.security.cert.CertificateFactory;
 import java.security.cert.X509Certificate;
 import java.time.Instant;
 import java.util.ArrayList;
-import java.util.Arrays;
 import java.util.Collection;
 import java.util.List;
 import java.util.Objects;
@@ -154,12 +153,12 @@ public class DefaultConnection implements Connection {
     }
 
     @Override
-    public int sendSignedRequest(URL url, JSONBuilder claims, Session session, int... httpStatus) throws AcmeException {
-        return sendSignedRequest(url, claims, session, false, httpStatus);
+    public int sendSignedRequest(URL url, JSONBuilder claims, Session session) throws AcmeException {
+        return sendSignedRequest(url, claims, session, false);
     }
 
     @Override
-    public int sendSignedRequest(URL url, JSONBuilder claims, Session session, boolean enforceJwk, int... httpStatus)
+    public int sendSignedRequest(URL url, JSONBuilder claims, Session session, boolean enforceJwk)
                 throws AcmeException {
         Objects.requireNonNull(url, "url");
         Objects.requireNonNull(claims, "claims");
@@ -170,7 +169,7 @@ public class DefaultConnection implements Connection {
 
         for (int attempt = 1; attempt <= MAX_ATTEMPTS; attempt++) {
             try {
-                return performRequest(url, claims, session, enforceJwk, httpStatus);
+                return performRequest(url, claims, session, enforceJwk);
             } catch (AcmeServerException ex) {
                 if (!BAD_NONCE_ERROR.equals(ex.getType())) {
                     throw ex;
@@ -296,11 +295,9 @@ public class DefaultConnection implements Connection {
      *            {@code true} to enforce a "jwk" header field even if a KeyIdentifier is
      *            set, {@code false} to choose between "kid" and "jwk" header field
      *            automatically
-     * @param httpStatus
-     *            Acceptable HTTP states. 200 OK if empty.
      * @return HTTP 200 class status that was returned
      */
-    private int performRequest(URL url, JSONBuilder claims, Session session, boolean enforceJwk, int... httpStatus)
+    private int performRequest(URL url, JSONBuilder claims, Session session, boolean enforceJwk)
                 throws AcmeException {
         try {
             KeyPair keypair = session.getKeyPair();
@@ -356,8 +353,7 @@ public class DefaultConnection implements Connection {
             session.setNonce(getNonce());
 
             int rc = conn.getResponseCode();
-            if ((httpStatus.length == 0 && rc != HttpURLConnection.HTTP_OK)
-                || (httpStatus.length > 0 && !Arrays.stream(httpStatus).filter(s -> s == rc).findFirst().isPresent())) {
+            if (rc != HttpURLConnection.HTTP_OK && rc != HttpURLConnection.HTTP_CREATED) {
                 throwAcmeException();
             }
             return rc;
diff --git a/acme4j-client/src/test/java/org/shredzone/acme4j/AccountBuilderTest.java b/acme4j-client/src/test/java/org/shredzone/acme4j/AccountBuilderTest.java
index 84a04bf4..e70335ad 100644
--- a/acme4j-client/src/test/java/org/shredzone/acme4j/AccountBuilderTest.java
+++ b/acme4j-client/src/test/java/org/shredzone/acme4j/AccountBuilderTest.java
@@ -51,23 +51,21 @@ public class AccountBuilderTest {
             private boolean isUpdate;
 
             @Override
-            public int sendSignedRequest(URL url, JSONBuilder claims, Session session, int... httpStatus) {
+            public int sendSignedRequest(URL url, JSONBuilder claims, Session session) {
                 assertThat(session, is(notNullValue()));
                 assertThat(url, is(locationUrl));
                 assertThat(isUpdate, is(false));
                 isUpdate = true;
-                assertThat(httpStatus, isIntArrayContainingInAnyOrder());
                 return HttpURLConnection.HTTP_OK;
             }
 
             @Override
-            public int sendSignedRequest(URL url, JSONBuilder claims, Session session, boolean enforceJwk, int... httpStatus) {
+            public int sendSignedRequest(URL url, JSONBuilder claims, Session session, boolean enforceJwk) {
                 assertThat(session, is(notNullValue()));
                 assertThat(url, is(resourceUrl));
                 assertThat(claims.toString(), sameJSONAs(getJSON("newAccount").toString()));
                 assertThat(enforceJwk, is(true));
                 isUpdate = false;
-                assertThat(httpStatus, isIntArrayContainingInAnyOrder(HttpURLConnection.HTTP_OK, HttpURLConnection.HTTP_CREATED));
                 return HttpURLConnection.HTTP_CREATED;
             }
 
@@ -117,7 +115,7 @@ public class AccountBuilderTest {
 
         TestableConnectionProvider provider = new TestableConnectionProvider() {
             @Override
-            public int sendSignedRequest(URL url, JSONBuilder claims, Session session, boolean enforceJwk, int... httpStatus) {
+            public int sendSignedRequest(URL url, JSONBuilder claims, Session session, boolean enforceJwk) {
                 try {
                     assertThat(session, is(notNullValue()));
                     assertThat(url, is(resourceUrl));
@@ -155,7 +153,6 @@ public class AccountBuilderTest {
                     fail("decoding inner payload failed");
                 }
 
-                assertThat(httpStatus, isIntArrayContainingInAnyOrder(HttpURLConnection.HTTP_OK, HttpURLConnection.HTTP_CREATED));
                 return HttpURLConnection.HTTP_CREATED;
             }
 
@@ -190,12 +187,11 @@ public class AccountBuilderTest {
     public void testOnlyExistingRegistration() throws Exception {
         TestableConnectionProvider provider = new TestableConnectionProvider() {
             @Override
-            public int sendSignedRequest(URL url, JSONBuilder claims, Session session, boolean enforceJwk, int... httpStatus) {
+            public int sendSignedRequest(URL url, JSONBuilder claims, Session session, boolean enforceJwk) {
                 assertThat(session, is(notNullValue()));
                 assertThat(url, is(resourceUrl));
                 assertThat(claims.toString(), sameJSONAs(getJSON("newAccountOnlyExisting").toString()));
                 assertThat(enforceJwk, is(true));
-                assertThat(httpStatus, isIntArrayContainingInAnyOrder(HttpURLConnection.HTTP_OK, HttpURLConnection.HTTP_CREATED));
                 return HttpURLConnection.HTTP_OK;
             }
 
diff --git a/acme4j-client/src/test/java/org/shredzone/acme4j/AccountTest.java b/acme4j-client/src/test/java/org/shredzone/acme4j/AccountTest.java
index 32d0dc58..d47cf0de 100644
--- a/acme4j-client/src/test/java/org/shredzone/acme4j/AccountTest.java
+++ b/acme4j-client/src/test/java/org/shredzone/acme4j/AccountTest.java
@@ -64,7 +64,7 @@ public class AccountTest {
             private JSON jsonResponse;
 
             @Override
-            public int sendSignedRequest(URL url, JSONBuilder claims, Session session, int... httpStatus) {
+            public int sendSignedRequest(URL url, JSONBuilder claims, Session session) {
                 assertThat(url, is(locationUrl));
                 assertThat(claims.toString(), sameJSONAs(getJSON("updateAccount").toString()));
                 assertThat(session, is(notNullValue()));
@@ -125,10 +125,9 @@ public class AccountTest {
 
         TestableConnectionProvider provider = new TestableConnectionProvider() {
             @Override
-            public int sendSignedRequest(URL url, JSONBuilder claims, Session session, int... httpStatus) {
+            public int sendSignedRequest(URL url, JSONBuilder claims, Session session) {
                 requestWasSent.set(true);
                 assertThat(url, is(locationUrl));
-                assertThat(httpStatus, isIntArrayContainingInAnyOrder());
                 return HttpURLConnection.HTTP_OK;
             }
 
@@ -174,11 +173,10 @@ public class AccountTest {
     public void testPreAuthorizeDomain() throws Exception {
         TestableConnectionProvider provider = new TestableConnectionProvider() {
             @Override
-            public int sendSignedRequest(URL url, JSONBuilder claims, Session session, int... httpStatus) {
+            public int sendSignedRequest(URL url, JSONBuilder claims, Session session) {
                 assertThat(url, is(resourceUrl));
                 assertThat(claims.toString(), sameJSONAs(getJSON("newAuthorizationRequest").toString()));
                 assertThat(session, is(notNullValue()));
-                assertThat(httpStatus, isIntArrayContainingInAnyOrder(HttpURLConnection.HTTP_CREATED));
                 return HttpURLConnection.HTTP_CREATED;
             }
 
@@ -226,7 +224,7 @@ public class AccountTest {
 
         TestableConnectionProvider provider = new TestableConnectionProvider() {
             @Override
-            public int sendSignedRequest(URL url, JSONBuilder claims, Session session, int... httpStatus) throws AcmeException {
+            public int sendSignedRequest(URL url, JSONBuilder claims, Session session) throws AcmeException {
                 assertThat(url, is(resourceUrl));
                 assertThat(claims.toString(), sameJSONAs(getJSON("newAuthorizationRequest").toString()));
                 assertThat(session, is(notNullValue()));
@@ -300,7 +298,7 @@ public class AccountTest {
 
         final TestableConnectionProvider provider = new TestableConnectionProvider() {
             @Override
-            public int sendSignedRequest(URL url, JSONBuilder payload, Session session, int... httpStatus) {
+            public int sendSignedRequest(URL url, JSONBuilder payload, Session session) {
                 try {
                     assertThat(url, is(locationUrl));
                     assertThat(session, is(notNullValue()));
@@ -332,7 +330,6 @@ public class AccountTest {
                     fail("decoding inner payload failed");
                 }
 
-                assertThat(httpStatus, isIntArrayContainingInAnyOrder());
                 return HttpURLConnection.HTTP_OK;
             }
 
@@ -380,12 +377,11 @@ public class AccountTest {
     public void testDeactivate() throws Exception {
         TestableConnectionProvider provider = new TestableConnectionProvider() {
             @Override
-            public int sendSignedRequest(URL url, JSONBuilder claims, Session session, int... httpStatus) {
+            public int sendSignedRequest(URL url, JSONBuilder claims, Session session) {
                 JSON json = claims.toJSON();
                 assertThat(json.get("status").asString(), is("deactivated"));
                 assertThat(url, is(locationUrl));
                 assertThat(session, is(notNullValue()));
-                assertThat(httpStatus, isIntArrayContainingInAnyOrder());
                 return HttpURLConnection.HTTP_OK;
             }
 
@@ -410,11 +406,10 @@ public class AccountTest {
     public void testModify() throws Exception {
         TestableConnectionProvider provider = new TestableConnectionProvider() {
             @Override
-            public int sendSignedRequest(URL url, JSONBuilder claims, Session session, int... httpStatus) {
+            public int sendSignedRequest(URL url, JSONBuilder claims, Session session) {
                 assertThat(url, is(locationUrl));
                 assertThat(claims.toString(), sameJSONAs(getJSON("modifyAccount").toString()));
                 assertThat(session, is(notNullValue()));
-                assertThat(httpStatus, isIntArrayContainingInAnyOrder());
                 return HttpURLConnection.HTTP_OK;
             }
 
diff --git a/acme4j-client/src/test/java/org/shredzone/acme4j/AuthorizationTest.java b/acme4j-client/src/test/java/org/shredzone/acme4j/AuthorizationTest.java
index 017e5f6a..1d68e02c 100644
--- a/acme4j-client/src/test/java/org/shredzone/acme4j/AuthorizationTest.java
+++ b/acme4j-client/src/test/java/org/shredzone/acme4j/AuthorizationTest.java
@@ -224,12 +224,11 @@ public class AuthorizationTest {
     public void testDeactivate() throws Exception {
         TestableConnectionProvider provider = new TestableConnectionProvider() {
             @Override
-            public int sendSignedRequest(URL url, JSONBuilder claims, Session session, int... httpStatus) {
+            public int sendSignedRequest(URL url, JSONBuilder claims, Session session) {
                 JSON json = claims.toJSON();
                 assertThat(json.get("status").asString(), is("deactivated"));
                 assertThat(url, is(locationUrl));
                 assertThat(session, is(notNullValue()));
-                assertThat(httpStatus, isIntArrayContainingInAnyOrder());
                 return HttpURLConnection.HTTP_OK;
             }
 
diff --git a/acme4j-client/src/test/java/org/shredzone/acme4j/CertificateTest.java b/acme4j-client/src/test/java/org/shredzone/acme4j/CertificateTest.java
index 9bf99777..3000c827 100644
--- a/acme4j-client/src/test/java/org/shredzone/acme4j/CertificateTest.java
+++ b/acme4j-client/src/test/java/org/shredzone/acme4j/CertificateTest.java
@@ -132,14 +132,13 @@ public class CertificateTest {
             }
 
             @Override
-            public int sendSignedRequest(URL url, JSONBuilder claims, Session session, boolean enforceJwk, int... httpStatus) {
+            public int sendSignedRequest(URL url, JSONBuilder claims, Session session, boolean enforceJwk) {
                 assertThat(url, is(resourceUrl));
                 assertThat(claims.toString(), sameJSONAs(getJSON("revokeCertificateRequest").toString()));
                 assertThat(session, is(notNullValue()));
                 assertThat(session.getAccountLocation(), is(nullValue()));
                 assertThat(enforceJwk, is(true));
                 certRequested = false;
-                assertThat(httpStatus, isIntArrayContainingInAnyOrder());
                 return HttpURLConnection.HTTP_OK;
             }
 
@@ -182,13 +181,12 @@ public class CertificateTest {
             }
 
             @Override
-            public int sendSignedRequest(URL url, JSONBuilder claims, Session session, boolean enforceJwk, int... httpStatus) {
+            public int sendSignedRequest(URL url, JSONBuilder claims, Session session, boolean enforceJwk) {
                 assertThat(url, is(resourceUrl));
                 assertThat(claims.toString(), sameJSONAs(getJSON("revokeCertificateWithReasonRequest").toString()));
                 assertThat(session, is(notNullValue()));
                 assertThat(enforceJwk, is(true));
                 certRequested = false;
-                assertThat(httpStatus, isIntArrayContainingInAnyOrder());
                 return HttpURLConnection.HTTP_OK;
             }
 
@@ -232,14 +230,13 @@ public class CertificateTest {
 
         TestableConnectionProvider provider = new TestableConnectionProvider() {
             @Override
-            public int sendSignedRequest(URL url, JSONBuilder claims, Session session, boolean enforceJwk, int... httpStatus)
+            public int sendSignedRequest(URL url, JSONBuilder claims, Session session, boolean enforceJwk)
                     throws AcmeException {
                 assertThat(url, is(resourceUrl));
                 assertThat(claims.toString(), sameJSONAs(getJSON("revokeCertificateWithReasonRequest").toString()));
                 assertThat(session, is(notNullValue()));
                 assertThat(session.getKeyPair(), is(certKeyPair));
                 assertThat(enforceJwk, is(true));
-                assertThat(httpStatus, isIntArrayContainingInAnyOrder());
                 return HttpURLConnection.HTTP_OK;
             }
         };
diff --git a/acme4j-client/src/test/java/org/shredzone/acme4j/OrderBuilderTest.java b/acme4j-client/src/test/java/org/shredzone/acme4j/OrderBuilderTest.java
index 3503e1cb..b5349fa6 100644
--- a/acme4j-client/src/test/java/org/shredzone/acme4j/OrderBuilderTest.java
+++ b/acme4j-client/src/test/java/org/shredzone/acme4j/OrderBuilderTest.java
@@ -48,11 +48,10 @@ public class OrderBuilderTest {
 
         TestableConnectionProvider provider = new TestableConnectionProvider() {
             @Override
-            public int sendSignedRequest(URL url, JSONBuilder claims, Session session, int... httpStatus) {
+            public int sendSignedRequest(URL url, JSONBuilder claims, Session session) {
                 assertThat(url, is(resourceUrl));
                 assertThat(claims.toString(), sameJSONAs(getJSON("requestOrderRequest").toString()));
                 assertThat(session, is(notNullValue()));
-                assertThat(httpStatus, isIntArrayContainingInAnyOrder(HttpURLConnection.HTTP_CREATED));
                 return HttpURLConnection.HTTP_CREATED;
             }
 
diff --git a/acme4j-client/src/test/java/org/shredzone/acme4j/OrderTest.java b/acme4j-client/src/test/java/org/shredzone/acme4j/OrderTest.java
index 61b23d40..a649aaef 100644
--- a/acme4j-client/src/test/java/org/shredzone/acme4j/OrderTest.java
+++ b/acme4j-client/src/test/java/org/shredzone/acme4j/OrderTest.java
@@ -151,12 +151,11 @@ public class OrderTest {
             }
 
             @Override
-            public int sendSignedRequest(URL url, JSONBuilder claims, Session session, int... httpStatus) {
+            public int sendSignedRequest(URL url, JSONBuilder claims, Session session) {
                 assertThat(url, is(finalizeUrl));
                 assertThat(claims.toString(), sameJSONAs(getJSON("finalizeRequest").toString()));
                 assertThat(session, is(notNullValue()));
                 isFinalized = true;
-                assertThat(httpStatus, isIntArrayContainingInAnyOrder());
                 return HttpURLConnection.HTTP_OK;
             }
 
diff --git a/acme4j-client/src/test/java/org/shredzone/acme4j/challenge/ChallengeTest.java b/acme4j-client/src/test/java/org/shredzone/acme4j/challenge/ChallengeTest.java
index 5911844d..8e2c3a75 100644
--- a/acme4j-client/src/test/java/org/shredzone/acme4j/challenge/ChallengeTest.java
+++ b/acme4j-client/src/test/java/org/shredzone/acme4j/challenge/ChallengeTest.java
@@ -136,11 +136,10 @@ public class ChallengeTest {
     public void testTrigger() throws Exception {
         TestableConnectionProvider provider = new TestableConnectionProvider() {
             @Override
-            public int sendSignedRequest(URL url, JSONBuilder claims, Session session, int... httpStatus) {
+            public int sendSignedRequest(URL url, JSONBuilder claims, Session session) {
                 assertThat(url, is(locationUrl));
                 assertThat(claims.toString(), sameJSONAs(getJSON("triggerHttpChallengeRequest").toString()));
                 assertThat(session, is(notNullValue()));
-                assertThat(httpStatus, isIntArrayContainingInAnyOrder());
                 return HttpURLConnection.HTTP_OK;
             }
 
diff --git a/acme4j-client/src/test/java/org/shredzone/acme4j/connector/DummyConnection.java b/acme4j-client/src/test/java/org/shredzone/acme4j/connector/DummyConnection.java
index 426b07e1..24393a30 100644
--- a/acme4j-client/src/test/java/org/shredzone/acme4j/connector/DummyConnection.java
+++ b/acme4j-client/src/test/java/org/shredzone/acme4j/connector/DummyConnection.java
@@ -40,13 +40,13 @@ public class DummyConnection implements Connection {
     }
 
     @Override
-    public int sendSignedRequest(URL url, JSONBuilder claims, Session session, int... httpStatus)
+    public int sendSignedRequest(URL url, JSONBuilder claims, Session session)
                 throws AcmeException {
         throw new UnsupportedOperationException();
     }
 
     @Override
-    public int sendSignedRequest(URL url, JSONBuilder claims, Session session, boolean enforceJwk, int... httpStatus)
+    public int sendSignedRequest(URL url, JSONBuilder claims, Session session, boolean enforceJwk)
                 throws AcmeException {
         throw new UnsupportedOperationException();
     }
diff --git a/acme4j-client/src/test/java/org/shredzone/acme4j/toolbox/TestUtils.java b/acme4j-client/src/test/java/org/shredzone/acme4j/toolbox/TestUtils.java
index 4fa20890..4279a126 100644
--- a/acme4j-client/src/test/java/org/shredzone/acme4j/toolbox/TestUtils.java
+++ b/acme4j-client/src/test/java/org/shredzone/acme4j/toolbox/TestUtils.java
@@ -40,16 +40,12 @@ import java.security.spec.ECGenParameterSpec;
 import java.security.spec.InvalidKeySpecException;
 import java.security.spec.PKCS8EncodedKeySpec;
 import java.security.spec.X509EncodedKeySpec;
-import java.util.Arrays;
 import java.util.List;
 import java.util.Map;
 import java.util.TreeMap;
 
 import javax.crypto.SecretKey;
 
-import org.hamcrest.BaseMatcher;
-import org.hamcrest.Description;
-import org.hamcrest.Matcher;
 import org.jose4j.base64url.Base64Url;
 import org.jose4j.json.JsonUtil;
 import org.jose4j.jwk.JsonWebKey;
@@ -262,36 +258,6 @@ public final class TestUtils {
         }
     }
 
-    /**
-     * Creates a matcher that matches an array of int primitives. The array must contain
-     * exactly all of the given values, in any order.
-     *
-     * @param values
-     *            Values to test against
-     * @return {@link Matcher}
-     */
-    public static Matcher<int[]> isIntArrayContainingInAnyOrder(int... values) {
-        final int[] reference = values;
-        Arrays.sort(reference);
-
-        return new BaseMatcher<int[]>() {
-            @Override
-            public boolean matches(Object item) {
-                if (!(item instanceof int[])) {
-                    return false;
-                }
-                int[] items = (int[]) item;
-                Arrays.sort(items);
-                return Arrays.equals(items, reference);
-            }
-
-            @Override
-            public void describeTo(Description description) {
-                description.appendValue(Arrays.toString(reference));
-            }
-        };
-    }
-
     /**
      * Creates a {@link Problem} with the given type and details.
      *