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diff --git a/src/ceph/src/java/native/JniConstants.h b/src/ceph/src/java/native/JniConstants.h
deleted file mode 100644
index acee867..0000000
--- a/src/ceph/src/java/native/JniConstants.h
+++ /dev/null
@@ -1,52 +0,0 @@
-/*
- * Copyright (C) 2010 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef JNI_CONSTANTS_H_included
-#define JNI_CONSTANTS_H_included
-
-#include <jni.h>
-
-/**
- * A cache to avoid calling FindClass at runtime.
- *
- * Class lookup is relatively expensive (2.5us on passion-eng at the time of writing), so we do
- * all such lookups eagerly at VM startup. This means that code that never uses, say,
- * java.util.zip.Deflater still has to pay for the lookup, but it means that on a device the cost
- * is definitely paid during boot and amortized. A central cache also removes the temptation to
- * dynamically call FindClass rather than add a small cache to each file that needs one. Another
- * cost is that each class cached here requires a global reference, though in practice we save
- * enough by not having a global reference for each file that uses a class such as java.lang.String
- * which is used in several files.
- *
- * FindClass is still called in a couple of situations: when throwing exceptions, and in some of
- * the serialization code. The former is clearly not a performance case, and we're currently
- * assuming that neither is the latter.
- *
- * TODO: similar arguments hold for field and method IDs; we should cache them centrally too.
- */
-struct JniConstants {
-    static void init(JNIEnv* env);
-
-    static jclass inet6AddressClass;
-    static jclass inetAddressClass;
-    static jclass inetSocketAddressClass;
-    static jclass stringClass;
-};
-
-#define NATIVE_METHOD(className, functionName, signature) \
-    { #functionName, signature, reinterpret_cast<void*>(className ## _ ## functionName) }
-
-#endif  // JNI_CONSTANTS_H_included