diff --git a/include/leveldb/cache.h b/include/leveldb/cache.h
index 98c95ac..a94c683 100644
--- a/include/leveldb/cache.h
+++ b/include/leveldb/cache.h
@@ -96,14 +96,6 @@ class LEVELDB_EXPORT Cache {
   // Return an estimate of the combined charges of all elements stored in the
   // cache.
   virtual size_t TotalCharge() const = 0;
-
- private:
-  void LRU_Remove(Handle* e);
-  void LRU_Append(Handle* e);
-  void Unref(Handle* e);
-
-  struct Rep;
-  Rep* rep_;
 };
 
 }  // namespace leveldb