diff --git a/base/src/main/java/tools/jackson/jaxrs/base/ProviderBase.java b/base/src/main/java/tools/jackson/jaxrs/base/ProviderBase.java
index b5b08268..74e7d9bf 100644
--- a/base/src/main/java/tools/jackson/jaxrs/base/ProviderBase.java
+++ b/base/src/main/java/tools/jackson/jaxrs/base/ProviderBase.java
@@ -14,11 +14,11 @@
 
 import tools.jackson.databind.*;
 import tools.jackson.databind.type.TypeFactory;
+import tools.jackson.databind.util.SimpleLookupCache;
 
 import tools.jackson.jaxrs.base.ProviderBase;
 import tools.jackson.jaxrs.cfg.*;
 import tools.jackson.jaxrs.util.ClassKey;
-import tools.jackson.jaxrs.util.LRUMap;
 
 public abstract class ProviderBase<
     THIS extends ProviderBase<THIS, MAPPER, EP_CONFIG, MAPPER_CONFIG>,
@@ -140,14 +140,14 @@ public abstract class ProviderBase<
     /**
      * Cache for resolved endpoint configurations when reading JSON data
      */
-    protected final LRUMap<AnnotationBundleKey, EP_CONFIG> _readers
-        = new LRUMap<AnnotationBundleKey, EP_CONFIG>(16, 120);
+    protected final SimpleLookupCache<AnnotationBundleKey, EP_CONFIG> _readers
+        = new SimpleLookupCache<AnnotationBundleKey, EP_CONFIG>(16, 120);
 
     /**
      * Cache for resolved endpoint configurations when writing JSON data
      */
-    protected final LRUMap<AnnotationBundleKey, EP_CONFIG> _writers
-        = new LRUMap<AnnotationBundleKey, EP_CONFIG>(16, 120);
+    protected final SimpleLookupCache<AnnotationBundleKey, EP_CONFIG> _writers
+        = new SimpleLookupCache<AnnotationBundleKey, EP_CONFIG>(16, 120);
 
     protected final AtomicReference<IOException> _noContentExceptionRef
         = new AtomicReference<IOException>();
diff --git a/base/src/main/java/tools/jackson/jaxrs/util/LRUMap.java b/base/src/main/java/tools/jackson/jaxrs/util/LRUMap.java
deleted file mode 100644
index 80ba59a6..00000000
--- a/base/src/main/java/tools/jackson/jaxrs/util/LRUMap.java
+++ /dev/null
@@ -1,26 +0,0 @@
-package tools.jackson.jaxrs.util;
-
-import java.util.LinkedHashMap;
-import java.util.Map;
-
-/**
- * Helper for simple bounded LRU maps used for reusing lookup values.
- */
-@SuppressWarnings("serial")
-public class LRUMap<K,V> extends LinkedHashMap<K,V>
-{
-    protected final int _maxEntries;
-    
-    public LRUMap(int initialEntries, int maxEntries)
-    {
-        super(initialEntries, 0.8f, true);
-        _maxEntries = maxEntries;
-    }
-
-    @Override
-    protected boolean removeEldestEntry(Map.Entry<K,V> eldest)
-    {
-        return size() > _maxEntries;
-    }
-
-}
diff --git a/release-notes/VERSION-2.x b/release-notes/VERSION-2.x
index 505ff7f7..e1f89770 100644
--- a/release-notes/VERSION-2.x
+++ b/release-notes/VERSION-2.x
@@ -14,6 +14,10 @@ Sub-modules:
 
 -
 
+2.16.1 (not yet released)
+
+#178: Deprecate local `LRUMap`, use `jackson-databind` provided one instead
+
 2.16.0 (15-Nov-2023)
 
 No changes since 2.15