--- libmalloc/libmalloc-140.50.6/tests/MallocBench/churn.cpp
+++ /dev/null
@@ -1,53 +0,0 @@
-/*
- * Copyright (C) 2014 Apple Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
- * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
- */
-
-#include "CPUCount.h"
-#include "churn.h"
-#include <memory>
-#include <stddef.h>
-
-#include "mbmalloc.h"
-
-struct HeapDouble {
-    void* operator new(size_t size) { return mbmalloc(size); }
-    void operator delete(void* p, size_t size) { mbfree(p, size); }
-
-    HeapDouble(double d) : value(d) { }
-    const HeapDouble& operator+=(const HeapDouble& other) { value += other.value; return *this; }
-    double value;
-};
-
-void benchmark_churn(bool isParallel)
-{
-    size_t times = 7000000;
-    if (isParallel)
-        times /= cpuCount();
-
-    auto total = std::unique_ptr<HeapDouble>(new HeapDouble(0.0));
-    for (size_t i = 0; i < times; ++i) {
-        auto heapDouble = std::unique_ptr<HeapDouble>(new HeapDouble(i));
-        *total += *heapDouble;
-    }
-}