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diff --git a/cpu/o3/sat_counter.hh b/cpu/o3/sat_counter.hh
deleted file mode 100644
index b7cfe6423..000000000
--- a/cpu/o3/sat_counter.hh
+++ /dev/null
@@ -1,90 +0,0 @@
-/*
- * Copyright (c) 2005 The Regents of The University of Michigan
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met: redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer;
- * 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;
- * neither the name of the copyright holders nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "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 THE COPYRIGHT
- * OWNER 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 __CPU_O3_CPU_SAT_COUNTER_HH__
-#define __CPU_O3_CPU_SAT_COUNTER_HH__
-
-#include "sim/host.hh"
-
-/**
- * Private counter class for the internal saturating counters.
- * Implements an n bit saturating counter and provides methods to
- * increment, decrement, and read it.
- * @todo Consider making this something that more closely mimics a
- * built in class so you can use ++ or --.
- */
-class SatCounter
-{
-  public:
-    /**
-     * Constructor for the counter.
-     */
-    SatCounter();
-
-    /**
-     * Constructor for the counter.
-     * @param bits How many bits the counter will have.
-     */
-    SatCounter(unsigned bits);
-
-    /**
-     * Constructor for the counter.
-     * @param bits How many bits the counter will have.
-     * @param initial_val Starting value for each counter.
-     */
-    SatCounter(unsigned bits, unsigned initial_val);
-
-    /**
-     * Sets the number of bits.
-     */
-    void setBits(unsigned bits);
-
-    /**
-     * Increments the counter's current value.
-     */
-    void increment();
-
-    /**
-     * Decrements the counter's current value.
-     */
-    void decrement();
-
-    /**
-     * Read the counter's value.
-     */
-    const uint8_t read() const
-    {
-        return counter;
-    }
-
-  private:
-    uint8_t maxVal;
-    uint8_t counter;
-};
-
-#endif // __CPU_O3_CPU_SAT_COUNTER_HH__