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diff --git a/Source/JavaScriptCore/wtf/SimpleStats.h b/Source/JavaScriptCore/wtf/SimpleStats.h
deleted file mode 100644
index f1fd7e10a..000000000
--- a/Source/JavaScriptCore/wtf/SimpleStats.h
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-/*
- * Copyright (C) 2012 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. 
- */
-
-#ifndef SimpleStats_h
-#define SimpleStats_h
-
-#include <wtf/MathExtras.h>
-#include <wtf/StdLibExtras.h>
-
-namespace WTF {
-
-// Simple and cheap way of tracking statistics if you're not worried about chopping on
-// the sum of squares (i.e. the sum of squares is unlikely to exceed 2^52).
-class SimpleStats {
-public:
-    SimpleStats()
-        : m_count(0)
-        , m_sum(0)
-        , m_sumOfSquares(0)
-    {
-    }
-    
-    void add(double value)
-    {
-        m_count++;
-        m_sum += value;
-        m_sumOfSquares += value * value;
-    }
-    
-    bool operator!() const
-    {
-        return !m_count;
-    }
-    
-    double count() const
-    {
-        return m_count;
-    }
-    
-    double sum() const
-    {
-        return m_sum;
-    }
-    
-    double sumOfSquares() const
-    {
-        return m_sumOfSquares;
-    }
-    
-    double mean() const
-    {
-        return m_sum / m_count;
-    }
-    
-    // NB. This gives a biased variance as it divides by the number of samples rather
-    // than the degrees of freedom. This is fine once the count grows large, which in
-    // our case will happen rather quickly.
-    double variance() const
-    {
-        if (m_count < 2)
-            return 0;
-        
-        // Compute <x^2> - <x>^2
-        double secondMoment = m_sumOfSquares / m_count;
-        double firstMoment = m_sum / m_count;
-        
-        return secondMoment - firstMoment * firstMoment;
-    }
-    
-    // NB. This gives a biased standard deviation. See above.
-    double standardDeviation() const
-    {
-        return sqrt(variance());
-    }
-    
-private:
-    double m_count;
-    double m_sum;
-    double m_sumOfSquares;
-};
-
-} // namespace WTF
-
-#endif // SimpleStats_h
-