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diff --git a/ace/SV_Semaphore_Simple.h b/ace/SV_Semaphore_Simple.h
deleted file mode 100644
index 4c73d703d9f..00000000000
--- a/ace/SV_Semaphore_Simple.h
+++ /dev/null
@@ -1,159 +0,0 @@
-/* -*- C++ -*- */
-
-//=============================================================================
-/**
- *  @file    SV_Semaphore_Simple.h
- *
- *  $Id$
- *
- *  @author Douglas C. Schmidt <schmidt@cs.wustl.edu>
- */
-//=============================================================================
-
-
-#ifndef ACE_SV_SEMAPHORE_SIMPLE_H
-#define ACE_SV_SEMAPHORE_SIMPLE_H
-#include "ace/pre.h"
-
-#include "ace/ACE.h"
-
-#if !defined (ACE_LACKS_PRAGMA_ONCE)
-# pragma once
-#endif /* ACE_LACKS_PRAGMA_ONCE */
-
-/**
- * @class ACE_SV_Semaphore_Simple
- *
- * @brief This is a simple semaphore package that assumes there are
- * no race conditions for initialization (i.e., the order of
- * process startup must be well defined).
- */
-class ACE_Export ACE_SV_Semaphore_Simple
-{
-public:
-  enum
-  {
-    ACE_CREATE = IPC_CREAT,
-    ACE_EXCL = IPC_EXCL,
-    ACE_OPEN = 0
-  };
-
-  // = Initialization and termination methods.
-  ACE_SV_Semaphore_Simple (void);
-  ACE_SV_Semaphore_Simple (key_t key,
-                           int flags = ACE_SV_Semaphore_Simple::ACE_CREATE,
-                           int initial_value = 1,
-                           u_short nsems = 1,
-                           int perms = ACE_DEFAULT_FILE_PERMS);
-  ACE_SV_Semaphore_Simple (const char *name,
-                           int flags = ACE_SV_Semaphore_Simple::ACE_CREATE,
-                           int initial_value = 1,
-                           u_short nsems = 1,
-                           int perms = ACE_DEFAULT_FILE_PERMS);
-  ~ACE_SV_Semaphore_Simple (void);
-
-  int open (const char *name,
-            int flags = ACE_SV_Semaphore_Simple::ACE_CREATE,
-            int initial_value = 1,
-            u_short nsems = 1,
-            int perms = ACE_DEFAULT_FILE_PERMS);
-
-  /// Open or create one or more SV_Semaphores.  We return 0 if all is
-  /// OK, else -1.
-  int open (key_t key,
-            int flags = ACE_SV_Semaphore_Simple::ACE_CREATE,
-            int initial_value = 1,
-            u_short nsems = 1,
-            int perms = ACE_DEFAULT_FILE_PERMS);
-
-  /// Close a ACE_SV_Semaphore, marking it as invalid for subsequent
-  /// operations...
-  int close (void);
-
-  /**
-   * Remove all SV_Semaphores associated with a particular key.  This
-   * call is intended to be called from a server, for example, when it
-   * is being shut down, as we do an IPC_RMID on the ACE_SV_Semaphore,
-   * regardless of whether other processes may be using it or not.
-   * Most other processes should use <close> below.
-   */
-  int remove (void) const;
-
-  // = Semaphore acquire and release methods.
-  /**
-   * Wait until a ACE_SV_Semaphore's value is greater than 0, the
-   * decrement it by 1 and return. Dijkstra's P operation, Tannenbaums
-   * DOWN operation.
-   */
-  int acquire (u_short n = 0, int flags = 0) const;
-
-  /// Acquire a semaphore for reading.
-  int acquire_read (u_short n = 0, int flags = 0) const;
-
-  /// Acquire a semaphore for writing
-  int acquire_write (u_short n = 0, int flags = 0) const;
-
-  /// Non-blocking version of <acquire>.
-  int tryacquire (u_short n = 0, int flags = 0) const;
-
-  /// Try to acquire the semaphore for reading.
-  int tryacquire_read (u_short n = 0, int flags = 0) const;
-
-  /// Try to acquire the semaphore for writing.
-  int tryacquire_write (u_short n = 0, int flags = 0) const;
-
-  /// Increment ACE_SV_Semaphore by one. Dijkstra's V operation,
-  /// Tannenbaums UP operation.
-  int release (u_short n = 0, int flags = 0) const;
-
-  // = Semaphore operation methods.
-  /// General ACE_SV_Semaphore operation. Increment or decrement by a
-  /// specific amount (positive or negative; amount can`t be zero).
-  int op (int val, u_short semnum = 0, int flags = SEM_UNDO) const;
-
-  /// General ACE_SV_Semaphore operation on an array of SV_Semaphores.
-  int op (sembuf op_vec[], u_short nsems) const;
-
-  // = Semaphore control methods.
-  int control (int cmd, semun arg, u_short n = 0) const;
-  int control (int cmd, int value = 0, u_short n = 0) const;
-
-  /// Get underlying internal id.
-  int get_id (void) const;
-
-  /// Dump the state of an object.
-  void dump (void) const;
-
-  /// Declare the dynamic allocation hooks.
-  ACE_ALLOC_HOOK_DECLARE;
-
-protected:
-  /// Semaphore key.
-  key_t key_;
-
-  /// Internal ID to identify the semaphore group within this process.
-  int internal_id_;
-
-  /// Number of semaphores we're creating.
-  int sem_number_;
-
-  /**
-   * Convert name to key This function is used internally to create
-   * keys for the semaphores. A valid name contains letters and
-   * digits only and MUST start with a letter.
-   *
-   * The method for generating names is not very sophisticated, so
-   * caller should not pass strings which match each other for the first
-   * LUSED characters when he wants to get a different key.
-   */
-  int init (key_t k = ACE_static_cast (key_t, ACE_INVALID_SEM_KEY),
-            int i = -1);
-  key_t name_2_key (const char *name);
-};
-
-#if !defined (ACE_LACKS_INLINE_FUNCTIONS)
-#include "ace/SV_Semaphore_Simple.i"
-#endif
-
-#include "ace/post.h"
-#endif /* _SV_SEMAPHORE_SIMPLE_H */