diff --git a/xwords4/common/board.c b/xwords4/common/board.c
index 9da340fe5..4c42b7c64 100644
--- a/xwords4/common/board.c
+++ b/xwords4/common/board.c
@@ -2531,7 +2531,7 @@ handleActionInCell( BoardCtxt* board, XP_U16 col, XP_U16 row )
 
 #ifdef POINTER_SUPPORT
 XP_Bool
-board_handlePenUp( BoardCtxt* board, XP_U16 x, XP_U16 y, XP_Time when )
+board_handlePenUp( BoardCtxt* board, XP_U16 x, XP_U16 y )
 {
     XP_Bool result = XP_FALSE;
     BoardObjectType prevObj = board->penDownObject;
diff --git a/xwords4/common/board.h b/xwords4/common/board.h
index adcfd96be..1a5271bce 100644
--- a/xwords4/common/board.h
+++ b/xwords4/common/board.h
@@ -131,7 +131,7 @@ void board_formatRemainingTiles( BoardCtxt* board, XWStreamCtxt* stream );
 XP_Bool board_handlePenDown( BoardCtxt* board, XP_U16 x, XP_U16 y, 
                              XP_Bool* handled );
 XP_Bool board_handlePenMove( BoardCtxt* board, XP_U16 x, XP_U16 y );
-XP_Bool board_handlePenUp( BoardCtxt* board, XP_U16 x, XP_U16 y, XP_Time when );
+XP_Bool board_handlePenUp( BoardCtxt* board, XP_U16 x, XP_U16 y );
 #endif
 
 XP_Bool board_handleKey( BoardCtxt* board, XP_Key key );