diff --git a/acme4j-client/src/main/java/org/shredzone/acme4j/Authorization.java b/acme4j-client/src/main/java/org/shredzone/acme4j/Authorization.java
index 09492e95..ca15d2ab 100644
--- a/acme4j-client/src/main/java/org/shredzone/acme4j/Authorization.java
+++ b/acme4j-client/src/main/java/org/shredzone/acme4j/Authorization.java
@@ -46,20 +46,6 @@ public class Authorization extends AcmeJsonResource {
         super(login, location);
     }
 
-    /**
-     * Gets the domain name to be authorized.
-     * <p>
-     * For wildcard domain orders, the domain itself (without wildcard prefix) is returned
-     * here. To find out if this {@link Authorization} is related to a wildcard domain
-     * order, check the {@link #isWildcard()} method.
-     *
-     * @deprecated Use {@link #getIdentifier()}.
-     */
-    @Deprecated
-    public String getDomain() {
-        return getIdentifier().getDomain();
-    }
-
     /**
      * Gets the {@link Identifier} to be authorized.
      * <p>
diff --git a/acme4j-client/src/main/java/org/shredzone/acme4j/Order.java b/acme4j-client/src/main/java/org/shredzone/acme4j/Order.java
index a242b6db..d75d99e5 100644
--- a/acme4j-client/src/main/java/org/shredzone/acme4j/Order.java
+++ b/acme4j-client/src/main/java/org/shredzone/acme4j/Order.java
@@ -70,20 +70,6 @@ public class Order extends AcmeJsonResource {
         return getJSON().get("expires").map(Value::asInstant).orElse(null);
     }
 
-    /**
-     * Gets the list of domain names to be ordered.
-     *
-     * @deprecated Use {@link #getIdentifiers()}. This method only returns DNS type
-     *             identifiers for compatibility reasons.
-     */
-    @Deprecated
-    public List<String> getDomains() {
-        return getIdentifiers().stream()
-                    .filter(i -> Identifier.TYPE_DNS.equals(i.getType()))
-                    .map(Identifier::getDomain)
-                    .collect(toList());
-    }
-
     /**
      * Gets the list of {@link Identifier} to be ordered.
      *
diff --git a/acme4j-client/src/main/java/org/shredzone/acme4j/Problem.java b/acme4j-client/src/main/java/org/shredzone/acme4j/Problem.java
index 4744b20d..8daa5e74 100644
--- a/acme4j-client/src/main/java/org/shredzone/acme4j/Problem.java
+++ b/acme4j-client/src/main/java/org/shredzone/acme4j/Problem.java
@@ -112,18 +112,6 @@ public class Problem implements Serializable {
                         .orElse(null);
     }
 
-    /**
-     * Returns the domain this problem relates to. May be {@code null}.
-     *
-     * @deprecated Use {@link #getIdentifier()}.
-     */
-    @Deprecated
-    @CheckForNull
-    public String getDomain() {
-        Identifier identifier = getIdentifier();
-        return identifier != null ? identifier.getDomain() : null;
-    }
-
     /**
      * Returns the {@link Identifier} this problem relates to. May be {@code null}.
      *
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 0eb6bdf7..14a290a4 100644
--- a/acme4j-client/src/test/java/org/shredzone/acme4j/AccountTest.java
+++ b/acme4j-client/src/test/java/org/shredzone/acme4j/AccountTest.java
@@ -169,7 +169,6 @@ public class AccountTest {
      * Test that a domain can be pre-authorized.
      */
     @Test
-    @SuppressWarnings("deprecation")
     public void testPreAuthorizeDomain() throws Exception {
         TestableConnectionProvider provider = new TestableConnectionProvider() {
             @Override
@@ -202,7 +201,6 @@ public class AccountTest {
         Account account = new Account(login);
         Authorization auth = account.preAuthorizeDomain(domainName);
 
-        assertThat(auth.getDomain(), is(domainName));
         assertThat(auth.getIdentifier().getDomain(), is(domainName));
         assertThat(auth.getStatus(), is(Status.PENDING));
         assertThat(auth.getExpires(), is(nullValue()));
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 871c8123..051261c1 100644
--- a/acme4j-client/src/test/java/org/shredzone/acme4j/AuthorizationTest.java
+++ b/acme4j-client/src/test/java/org/shredzone/acme4j/AuthorizationTest.java
@@ -88,7 +88,6 @@ public class AuthorizationTest {
      * Test that authorization is properly updated.
      */
     @Test
-    @SuppressWarnings("deprecation")
     public void testUpdate() throws Exception {
         TestableConnectionProvider provider = new TestableConnectionProvider() {
             @Override
@@ -117,7 +116,6 @@ public class AuthorizationTest {
         Authorization auth = new Authorization(login, locationUrl);
         auth.update();
 
-        assertThat(auth.getDomain(), is("example.org"));
         assertThat(auth.getIdentifier().getDomain(), is("example.org"));
         assertThat(auth.getStatus(), is(Status.VALID));
         assertThat(auth.isWildcard(), is(false));
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 e05bb2dd..06163955 100644
--- a/acme4j-client/src/test/java/org/shredzone/acme4j/OrderBuilderTest.java
+++ b/acme4j-client/src/test/java/org/shredzone/acme4j/OrderBuilderTest.java
@@ -46,7 +46,6 @@ public class OrderBuilderTest {
      * Test that a new {@link Order} can be created.
      */
     @Test
-    @SuppressWarnings("deprecation")
     public void testOrderCertificate() throws Exception {
         Instant notBefore = parseTimestamp("2016-01-01T00:00:00Z");
         Instant notAfter = parseTimestamp("2016-01-08T00:00:00Z");
@@ -88,12 +87,6 @@ public class OrderBuilderTest {
                         .notAfter(notAfter)
                         .create();
 
-        assertThat(order.getDomains(), containsInAnyOrder(
-                        "example.com", "www.example.com",
-                        "example.org",
-                        "m.example.com", "m.example.org",
-                        "d.example.com",
-                        "d2.example.com"));
         assertThat(order.getIdentifiers(), containsInAnyOrder(
                         Identifier.dns("example.com"),
                         Identifier.dns("www.example.com"),
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 9003ba4e..e601331b 100644
--- a/acme4j-client/src/test/java/org/shredzone/acme4j/OrderTest.java
+++ b/acme4j-client/src/test/java/org/shredzone/acme4j/OrderTest.java
@@ -44,7 +44,6 @@ public class OrderTest {
      * Test that order is properly updated.
      */
     @Test
-    @SuppressWarnings("deprecation")
     public void testUpdate() throws Exception {
         TestableConnectionProvider provider = new TestableConnectionProvider() {
             @Override
@@ -73,7 +72,6 @@ public class OrderTest {
         assertThat(order.getExpires(), is(parseTimestamp("2015-03-01T14:09:00Z")));
         assertThat(order.getLocation(), is(locationUrl));
 
-        assertThat(order.getDomains(), containsInAnyOrder("example.com", "www.example.com"));
         assertThat(order.getIdentifiers(), containsInAnyOrder(
                     Identifier.dns("example.com"),
                     Identifier.dns("www.example.com")));
@@ -150,7 +148,6 @@ public class OrderTest {
      * Test that order is properly finalized.
      */
     @Test
-    @SuppressWarnings("deprecation")
     public void testFinalize() throws Exception {
         byte[] csr = TestUtils.getResourceAsByteArray("/csr.der");
 
@@ -192,7 +189,6 @@ public class OrderTest {
         assertThat(order.getExpires(), is(parseTimestamp("2015-03-01T14:09:00Z")));
         assertThat(order.getLocation(), is(locationUrl));
 
-        assertThat(order.getDomains(), containsInAnyOrder("example.com", "www.example.com"));
         assertThat(order.getIdentifiers(), containsInAnyOrder(
                         Identifier.dns("example.com"),
                         Identifier.dns("www.example.com")));