diff --git a/src/dbwrapper.h b/src/dbwrapper.h
--- a/src/dbwrapper.h
+++ b/src/dbwrapper.h
@@ -286,14 +286,6 @@
     // Get an estimate of LevelDB memory usage (in bytes).
     size_t DynamicMemoryUsage() const;
 
-    // not available for LevelDB; provide for compatibility with BDB
-    bool Flush() { return true; }
-
-    bool Sync() {
-        CDBBatch batch(*this);
-        return WriteBatch(batch, true);
-    }
-
     CDBIterator *NewIterator() {
         return new CDBIterator(*this, pdb->NewIterator(iteroptions));
     }