diff --git a/CHANGELOG.md b/CHANGELOG.md
index ec956e2e24b..9fa9416a468 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -17,6 +17,9 @@ Fix #5145: [java-generator] handle `additionalProperties: true` emitting a field
 * Fix #4911: Config/RequestConfig.scaleTimeout has been deprecated along with Scalable.scale(count, wait) and DeployableScalableResource.deployLatest(wait). withTimeout may be called before the operation to control the timeout.
 * Fix #4911: Config/RequestConfig.websocketTimeout has been removed. Config/RequestConfig.requestTimeout will be used for websocket connection timeouts.
 * Fix #4911: HttpClient api/building changes - writeTimeout has been removed, readTimeout has moved to the HttpRequest
+* Fix #4662: removed deprecated classes/methods:  ReflectUtils, ReplaceValueStream, ParameterNamespaceListVisitFromServerGetDeleteRecreateWaitApplicable, ResourceCompare, and Serialization methods taking parameters
+* Fix #4662: deprecated serialization static logic:  several IOHelpers methods, Serialization methods, such as access to the static jsonMapper.  Please use KubernetesSerialization methods instead.
+* Fix #4662: deprecated Helper.getAnnotationValue, use HasMetadata methods instead.
 
 ### 6.6.2 (2023-05-15)
 
diff --git a/kubernetes-client-api/src/main/java/io/fabric8/kubernetes/client/informers/cache/Cache.java b/kubernetes-client-api/src/main/java/io/fabric8/kubernetes/client/informers/cache/Cache.java
index 401ab702e09..8b091142947 100644
--- a/kubernetes-client-api/src/main/java/io/fabric8/kubernetes/client/informers/cache/Cache.java
+++ b/kubernetes-client-api/src/main/java/io/fabric8/kubernetes/client/informers/cache/Cache.java
@@ -17,11 +17,11 @@
 
 import io.fabric8.kubernetes.api.model.HasMetadata;
 import io.fabric8.kubernetes.api.model.ObjectMeta;
-import io.fabric8.kubernetes.client.utils.ReflectUtils;
 import io.fabric8.kubernetes.client.utils.Utils;
 
 import java.util.Collections;
 import java.util.List;
+import java.util.Optional;
 
 /**
  * It basically saves and indexes all the entries.
@@ -41,27 +41,16 @@ public interface Cache<T> extends Indexer<T> {
    * @param obj specific object
    * @return the key
    */
-  public static String metaNamespaceKeyFunc(Object obj) {
-    try {
-      if (obj == null) {
-        return "";
-      }
-      ObjectMeta metadata;
-      if (obj instanceof String) {
-        return (String) obj;
-      } else if (obj instanceof ObjectMeta) {
-        metadata = (ObjectMeta) obj;
-      } else {
-        metadata = ReflectUtils.objectMetadata(obj);
-        if (metadata == null) {
-          throw new RuntimeException("Object is bad :" + obj);
-        }
-      }
-
-      return namespaceKeyFunc(metadata.getNamespace(), metadata.getName());
-    } catch (ReflectiveOperationException e) {
-      throw new RuntimeException(e);
+  public static String metaNamespaceKeyFunc(HasMetadata obj) {
+    if (obj == null) {
+      return "";
+    }
+    ObjectMeta metadata = obj.getMetadata();
+    if (metadata == null) {
+      throw new RuntimeException("Object is bad :" + obj);
     }
+
+    return namespaceKeyFunc(metadata.getNamespace(), metadata.getName());
   }
 
   public static String metaUidKeyFunc(HasMetadata obj) {
@@ -90,12 +79,8 @@ public static String namespaceKeyFunc(String objectNamespace, String objectName)
    * @param obj the specific object
    * @return the indexed value
    */
-  public static List<String> metaNamespaceIndexFunc(Object obj) {
-    try {
-      ObjectMeta metadata = ReflectUtils.objectMetadata(obj);
-      return metadata == null ? Collections.emptyList() : Collections.singletonList(metadata.getNamespace());
-    } catch (ReflectiveOperationException e) {
-      throw new RuntimeException(e);
-    }
+  public static List<String> metaNamespaceIndexFunc(HasMetadata obj) {
+    return Optional.ofNullable(obj).map(HasMetadata::getMetadata)
+        .map(metadata -> Collections.singletonList(metadata.getNamespace())).orElse(Collections.emptyList());
   }
 }
diff --git a/kubernetes-client-api/src/main/java/io/fabric8/kubernetes/client/utils/ReflectUtils.java b/kubernetes-client-api/src/main/java/io/fabric8/kubernetes/client/utils/ReflectUtils.java
index 90df0e01ba8..d514b05e610 100644
--- a/kubernetes-client-api/src/main/java/io/fabric8/kubernetes/client/utils/ReflectUtils.java
+++ b/kubernetes-client-api/src/main/java/io/fabric8/kubernetes/client/utils/ReflectUtils.java
@@ -24,6 +24,10 @@
 import java.lang.reflect.Method;
 import java.util.List;
 
+/**
+ * @deprecated use {@link HasMetadata} methods instead
+ */
+@Deprecated
 public class ReflectUtils {
   private ReflectUtils() {
     throw new IllegalStateException("Utility class");
diff --git a/kubernetes-client-api/src/main/java/io/fabric8/kubernetes/client/utils/ReplaceValueStream.java b/kubernetes-client-api/src/main/java/io/fabric8/kubernetes/client/utils/ReplaceValueStream.java
index 3e5163c0604..4be65d2cb6d 100644
--- a/kubernetes-client-api/src/main/java/io/fabric8/kubernetes/client/utils/ReplaceValueStream.java
+++ b/kubernetes-client-api/src/main/java/io/fabric8/kubernetes/client/utils/ReplaceValueStream.java
@@ -26,7 +26,10 @@
 /**
  * Replaces template parameter values in the stream to avoid
  * parsing issues of templates with numeric expressions
+ *
+ * @deprecated to be removed in future versions
  */
+@Deprecated
 public class ReplaceValueStream {
   private final Map<String, String> valuesMap;