diff --git a/src/osm/jp/postgis/Kmz.java b/src/osm/jp/postgis/Kmz.java
deleted file mode 100644
index 9d2bde6..0000000
--- a/src/osm/jp/postgis/Kmz.java
+++ /dev/null
@@ -1,40 +0,0 @@
-package osm.jp.postgis;
-
-import java.io.ByteArrayInputStream;
-import java.io.OutputStream;
-import org.apache.commons.compress.archivers.ArchiveOutputStream;
-import org.apache.commons.compress.archivers.ArchiveStreamFactory;
-import org.apache.commons.compress.utils.IOUtils;
-
-public class Kmz implements Runnable {
-    ByteArrayInputStream in;
-    OutputStream out;
-    
-    public Kmz(ByteArrayInputStream in, OutputStream out) {
-        this.in = in;
-        this.out = out;
-    }
-
-    @Override
-    @SuppressWarnings({"CallToPrintStackTrace", "null", "UseSpecificCatch"})
-    public void run() {
-        try {
-            int data = in.read();
-            while (data != -1) {
-                System.out.print((char) data);
-                data = in.read();
-            }
-            /*
-            try {
-                ArchiveOutputStream os = new ArchiveStreamFactory().createArchiveOutputStream(ArchiveStreamFactory.ZIP, out);
-                IOUtils.copy(in, os);
-                os.closeArchiveEntry();
-            } catch (Exception ex) {
-                ex.printStackTrace();
-            }
-            */
-        } catch (Exception ex) {
-            ex.printStackTrace();
-        }
-    }
-}