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diff --git a/dev/pitreg.h b/dev/pitreg.h
deleted file mode 100644
index 5fe1cf03f..000000000
--- a/dev/pitreg.h
+++ /dev/null
@@ -1,73 +0,0 @@
-/*
- * Copyright (c) 2001-2005 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.
- */
-
-/* @file
- * Device register definitions for a device's PCI config space
- */
-
-#ifndef __PITREG_H__
-#define __PITREG_H__
-
-#include <sys/types.h>
-
-// Control Word Format
-
-#define PIT_SEL_SHFT  0x6
-#define PIT_RW_SHFT   0x4
-#define PIT_MODE_SHFT 0x1
-#define PIT_BCD_SHFT  0x0
-
-#define PIT_SEL_MASK  0x3
-#define PIT_RW_MASK   0x3
-#define PIT_MODE_MASK 0x7
-#define PIT_BCD_MASK  0x1
-
-#define GET_CTRL_FIELD(x, s, m) (((x) >> s) & m)
-#define GET_CTRL_SEL(x) GET_CTRL_FIELD(x, PIT_SEL_SHFT, PIT_SEL_MASK)
-#define GET_CTRL_RW(x) GET_CTRL_FIELD(x, PIT_RW_SHFT, PIT_RW_MASK)
-#define GET_CTRL_MODE(x) GET_CTRL_FIELD(x, PIT_MODE_SHFT, PIT_MODE_MASK)
-#define GET_CTRL_BCD(x) GET_CTRL_FIELD(x, PIT_BCD_SHFT, PIT_BCD_MASK)
-
-#define PIT_READ_BACK 0x3
-
-#define PIT_RW_LATCH_COMMAND 0x0
-#define PIT_RW_LSB_ONLY      0x1
-#define PIT_RW_MSB_ONLY      0x2
-#define PIT_RW_16BIT         0x3
-
-#define PIT_MODE_INTTC    0x0
-#define PIT_MODE_ONESHOT  0x1
-#define PIT_MODE_RATEGEN  0x2
-#define PIT_MODE_SQWAVE   0x3
-#define PIT_MODE_SWSTROBE 0x4
-#define PIT_MODE_HWSTROBE 0x5
-
-#define PIT_BCD_FALSE 0x0
-#define PIT_BCD_TRUE  0x1
-
-#endif // __PITREG_H__