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diff --git a/Build/source/libs/freetype/freetype-1.5/lib/ttengine.h b/Build/source/libs/freetype/freetype-1.5/lib/ttengine.h
deleted file mode 100644
index e11df7e2884..00000000000
--- a/Build/source/libs/freetype/freetype-1.5/lib/ttengine.h
+++ /dev/null
@@ -1,116 +0,0 @@
-/*************************************************************************
- *
- * ttengine.h 1.1
- *
- * Engine instance structure definition
- * (this spec has no associated body).
- *
- * Copyright 1996-2001 by
- * David Turner, Robert Wilhelm, and Werner Lemberg.
- *
- * This file is part of the FreeType project, and may only be used
- * modified and distributed under the terms of the FreeType project
- * license, LICENSE.TXT. By continuing to use, modify, or distribute
- * this file you indicate that you have read the license and
- * understand and accept it fully.
- *
- * New in 1.1 :
- *
- * - added the 'raster_lock' mutex field to synchronize
- * scan-line conversion in thread-safe and re-entrant builds.
- *
- *************************************************************************/
-
-#ifndef TTENGINE_H
-#define TTENGINE_H
-
-#include "tttypes.h"
-#include "ttconfig.h"
-#include "freetype.h"
-#include "ttmutex.h"
-
-#ifdef __cplusplus
- extern "C" {
-#endif
-
- /***********************************************************************/
- /* */
- /* The freetype engine instance structure. */
- /* */
- /* This structure holds all the data that is necessary to run one */
- /* instance of the freetype engine. It is needed to get a completely */
- /* completely re-entrant version of the library. */
- /* */
- /* The goal is to move _all_ component-specific variables, either */
- /* static or global in the structure; the component initializers and */
- /* finalizers will all be called with the address of a valid */
- /* TEngine_Instance. */
- /* */
- /***********************************************************************/
-
- struct TEngine_Instance_
- {
- TMutex lock; /* engine lock */
-
- void* list_free_elements;
-
- void* objs_face_class; /* the face cache class */
- void* objs_instance_class; /* the instance cache class */
- void* objs_execution_class; /* the context cache class */
- void* objs_glyph_class; /* the glyph cache class */
-
- void* objs_face_cache; /* these caches are used to track */
- void* objs_exec_cache; /* the current face and execution */
- /* context objects */
-
- void* file_component; /* ttfile implementation dependent */
-
- TMutex raster_lock; /* mutex for this engine render pool */
- void* raster_component; /* ttraster implementation depedent */
- Byte raster_palette[5]; /* gray-levels palette for anti-aliasing */
-
- void* extension_component; /* extensions dependent */
-
-#if 0
- TT_Glyph_Loader_Callback glCallback; /* glyph loader callback, if any */
-#endif
- };
-
- /* NOTE : The raster's lock is only acquired by the Render_Glyph and */
- /* Render_Gray_Glyph functions, which always release it on exit */
- /* They do not lock the engine mutex. This means you shouldn't */
- /* be concerned about deadlocks between the two mutexes, as */
- /* these should never appear.. */
-
- typedef struct TEngine_Instance_ TEngine_Instance;
- typedef TEngine_Instance* PEngine_Instance;
-
-
-#ifdef TT_CONFIG_OPTION_THREAD_SAFE /* for re-entrant builds */
-
-#define ENGINE_ARG TEngine_Instance* _engine
-#define ENGINE_ARGS TEngine_Instance* _engine,
-
-#define ENGINE_VAR _engine
-#define ENGINE_VARS _engine,
-
-#define ENGINE _engine
-
-#else /* for thread-unsafe builds */
-
-#define ENGINE_ARG /* none */
-#define ENGINE_ARGS /* none */
-
-#define ENGINE_VAR /* nothing */
-#define ENGINE_VARS /* nothing */
-
-#endif /* TT_CONFIG_OPTION_THREAD_SAFE */
-
-#ifdef __cplusplus
- }
-#endif
-
-#endif /* TTENGINE_H */
-
-
-/* END */