src/jdk.jpackage/share/classes/jdk/jpackage/internal/IOUtils.java

@@ -119,35 +119,10 @@
                 return FileVisitResult.CONTINUE;
             }
         });
     }
 
-    public static void copyFromURL(URL location, File file) throws IOException {
-        copyFromURL(location, file, false);
-    }
-
-    public static void copyFromURL(URL location, File file, boolean append)
-            throws IOException {
-        if (location == null) {
-            throw new IOException("Missing input resource!");
-        }
-        if (file.exists() && !append) {
-           file.delete();
-        }
-        try (InputStream in = location.openStream();
-            FileOutputStream out = new FileOutputStream(file, append)) {
-
-            byte[] buffer = new byte[1024];
-            int len;
-            while ((len = in.read(buffer)) != -1) {
-                out.write(buffer, 0, len);
-            }
-        }
-        file.setReadOnly();
-        file.setReadable(true, false);
-    }
-
     public static void copyFile(File sourceFile, File destFile)
             throws IOException {
         destFile.getParentFile().mkdirs();
 
         //recreate the file as existing copy may have weird permissions