diff --git a/paoding-rose-load/src/main/java/net/paoding/rose/load/ResourceRef.java b/paoding-rose-load/src/main/java/net/paoding/rose/load/ResourceRef.java
index 0eea989..2d9da5b 100644
--- a/paoding-rose-load/src/main/java/net/paoding/rose/load/ResourceRef.java
+++ b/paoding-rose-load/src/main/java/net/paoding/rose/load/ResourceRef.java
@@ -74,30 +74,7 @@ public static ResourceRef toResourceRef(Resource folder) throws IOException {
         }
         //
         if (modifiers == null) {
-            if (!"jar".equals(rr.getProtocol())) {
-                modifiers = new String[] { "**" };
-                if (logger.isDebugEnabled()) {
-                    logger.debug("modifiers[by default][" + rr.getResource().getURI() + "]="
-                            + Arrays.toString(modifiers));
-                }
-            } else {
-                JarFile jarFile = new JarFile(rr.getResource().getFile());
-                Manifest manifest = jarFile.getManifest();
-                if (manifest != null) {
-                    Attributes attributes = manifest.getMainAttributes();
-                    String attrValue = attributes.getValue("rose");
-                    if (attrValue == null) {
-                        attrValue = attributes.getValue("Rose");
-                    }
-                    if (attrValue != null) {
-                        modifiers = StringUtils.split(attrValue, ", ;\n\r\t");
-                        if (logger.isDebugEnabled()) {
-                            logger.debug("modifiers[by manifest.mf][" + rr.getResource().getURI()
-                                    + "]=" + Arrays.toString(modifiers));
-                        }
-                    }
-                }
-            }
+            modifiers = new String[] { "**" };
         }
         rr.setModifiers(modifiers);
         return rr;