diff --git a/src/main/java/org/springframework/hateoas/mediatype/collectionjson/CollectionJsonAffordanceModel.java b/src/main/java/org/springframework/hateoas/mediatype/collectionjson/CollectionJsonAffordanceModel.java
index cb39c036..bb271798 100644
--- a/src/main/java/org/springframework/hateoas/mediatype/collectionjson/CollectionJsonAffordanceModel.java
+++ b/src/main/java/org/springframework/hateoas/mediatype/collectionjson/CollectionJsonAffordanceModel.java
@@ -16,7 +16,6 @@
 package org.springframework.hateoas.mediatype.collectionjson;
 
 import java.util.Collections;
-import java.util.EnumSet;
 import java.util.List;
 import java.util.Objects;
 import java.util.Set;
@@ -37,7 +36,7 @@ import org.springframework.lang.Nullable;
  */
 class CollectionJsonAffordanceModel extends AffordanceModel {
 
-	private static final Set<HttpMethod> ENTITY_ALTERING_METHODS = EnumSet.of(HttpMethod.POST, HttpMethod.PUT,
+	private static final Set<HttpMethod> ENTITY_ALTERING_METHODS = Set.of(HttpMethod.POST, HttpMethod.PUT,
 			HttpMethod.PATCH);
 
 	private final List<CollectionJsonData> inputProperties;
diff --git a/src/main/java/org/springframework/hateoas/mediatype/hal/forms/HalFormsPropertyFactory.java b/src/main/java/org/springframework/hateoas/mediatype/hal/forms/HalFormsPropertyFactory.java
index 0054f1c1..7095ac63 100644
--- a/src/main/java/org/springframework/hateoas/mediatype/hal/forms/HalFormsPropertyFactory.java
+++ b/src/main/java/org/springframework/hateoas/mediatype/hal/forms/HalFormsPropertyFactory.java
@@ -19,7 +19,6 @@ import static org.springframework.http.HttpMethod.*;
 
 import java.util.ArrayList;
 import java.util.Collections;
-import java.util.EnumSet;
 import java.util.List;
 import java.util.Optional;
 import java.util.Set;
@@ -44,7 +43,7 @@ import org.springframework.util.StringUtils;
  */
 class HalFormsPropertyFactory {
 
-	private static final Set<HttpMethod> ENTITY_ALTERING_METHODS = EnumSet.of(POST, PUT, PATCH);
+	private static final Set<HttpMethod> ENTITY_ALTERING_METHODS = Set.of(POST, PUT, PATCH);
 
 	private final HalFormsConfiguration configuration;
 	private final MessageResolver resolver;
diff --git a/src/main/java/org/springframework/hateoas/mediatype/uber/UberAffordanceModel.java b/src/main/java/org/springframework/hateoas/mediatype/uber/UberAffordanceModel.java
index 2cbf2afd..3b6af268 100644
--- a/src/main/java/org/springframework/hateoas/mediatype/uber/UberAffordanceModel.java
+++ b/src/main/java/org/springframework/hateoas/mediatype/uber/UberAffordanceModel.java
@@ -17,7 +17,6 @@ package org.springframework.hateoas.mediatype.uber;
 
 import java.util.Collection;
 import java.util.Collections;
-import java.util.EnumSet;
 import java.util.List;
 import java.util.Set;
 import java.util.stream.Collectors;
@@ -37,7 +36,7 @@ import org.springframework.lang.Nullable;
  */
 class UberAffordanceModel extends AffordanceModel {
 
-	private static final Set<HttpMethod> ENTITY_ALTERING_METHODS = EnumSet.of(HttpMethod.POST, HttpMethod.PUT,
+	private static final Set<HttpMethod> ENTITY_ALTERING_METHODS = Set.of(HttpMethod.POST, HttpMethod.PUT,
 			HttpMethod.PATCH);
 
 	private final Collection<MediaType> mediaTypes = Collections.singleton(MediaTypes.UBER_JSON);