diff --git a/src/test/java/org/lmdbjava/ComparatorTest.java b/src/test/java/org/lmdbjava/ComparatorTest.java
@@ -33,6 +33,7 @@
import static org.lmdbjava.DirectBufferProxy.PROXY_DB;

import java.nio.ByteBuffer;
import java.util.Comparator;

import com.google.common.primitives.SignedBytes;
@@ -156,9 +157,38 @@ private static class ByteBufferRunner implements ComparatorRunner {

    @Override
    public int compare(final byte[] o1, final byte[] o2) {
-      final ByteBuffer o1b = ByteBuffer.wrap(o1);
-      final ByteBuffer o2b = ByteBuffer.wrap(o2);
-      return PROXY_OPTIMAL.compare(o1b, o2b);
    }
  }