diff --git a/harbour/include/gtapi.h b/harbour/include/gtapi.h
deleted file mode 100644
index d9a4ded604..0000000000
--- a/harbour/include/gtapi.h
+++ /dev/null
@@ -1,48 +0,0 @@
-#ifndef __GTAPI_H__
-#define __GTAPI_H__
-
-#include <extend.h>
-
-typedef WORD ERRORCODE;
-
-ERRORCODE _gtBox( WORD uiTop, WORD uiLeft, WORD uiBottom, WORD uiRight, BYTE *fpBoxString );
-ERRORCODE _gtBoxD( WORD uiTop, WORD uiLeft, WORD uiBottom, WORD uiRight );
-ERRORCODE _gtBoxS( WORD uiTop, WORD uiLeft, WORD uiBottom, WORD uiRight );
-ERRORCODE _gtColorSelect( WORD uiColorIndex );
-ERRORCODE _gtDispBegin( void );
-ERRORCODE _gtDispCount( void );
-ERRORCODE _gtDispEnd( void );
-ERRORCODE _gtFlush( void );
-ERRORCODE _gtGetColorStr( BYTE *fpColorString );
-ERRORCODE _gtGetCursor( WORD *uipCursorShape );
-ERRORCODE _gtGetPos( WORD *uipRow, WORD *uipCol );
-BOOL      _gtIsColor( void );
-WORD      _gtMaxCol( void );
-WORD      _gtMaxRow( void );
-void      _gtPostExt( void );
-void      _gtPreExt( void );
-ERRORCODE _gtRectSize( WORD uiTop, WORD uiLeft, WORD uiBottom, WORD uiRight, WORD *uipBuffSize );
-ERRORCODE _gtRepChar( WORD uiRow, WORD uiCol, WORD uiChar, WORD uiCount );
-ERRORCODE _gtRest( WORD uiTop, WORD uiLeft, WORD uiBottom, WORD uiRight, BYTE *fpScrBuff );
-ERRORCODE _gtSave( WORD uiTop, WORD uiLeft, WORD uiBottom, WORD uiRight, BYTE *fpScrBuff );
-ERRORCODE _gtScrDim( WORD *uipHeight, WORD *uiLpWidth );
-ERRORCODE _gtScroll( WORD uiTop, WORD uiLeft, WORD uiBottom, WORD uiRight, SHORT iRows, SHORT iCols );
-ERRORCODE _gtSetBlink( BOOL bBlink );
-ERRORCODE _gtSetColorStr( BYTE *fpColorString );
-ERRORCODE _gtSetCursor( WORD uiCursorShape );
-ERRORCODE _gtSetMode( WORD uiRows, WORD uiCols );
-ERRORCODE _gtSetPos( WORD uiRow, WORD uiCol );
-ERRORCODE _gtSetSnowFlag( BOOL bNoSnow );
-ERRORCODE _gtUpdateCursor( void );
-ERRORCODE _gtWrite( BYTE *fpStr, WORD uiLen );
-ERRORCODE _gtWriteAt( WORD uiRow, WORD uiCol, BYTE *fpStr, WORD uiLen );
-ERRORCODE _gtWriteCon( BYTE *fpStr, WORD uiLen );
-
-
-#define _B_SINGLE          "ÚÄ¿³ÙÄÀ³"
-#define _B_DOUBLE          "ÉÍ»º¼ÍȺ"
-#define _B_SINGLE_DOUBLE   "ÖÄ·º½ÄÓº"
-#define _B_DOUBLE_SINGLE   "Õ͸³¾ÍÔ³"
-
-#endif
-