diff --git a/ws2812_dma.h b/ws2812_dma.h
deleted file mode 100644
index 128db44..0000000
--- a/ws2812_dma.h
+++ /dev/null
@@ -1,25 +0,0 @@
-// ws2812_dma.h 
-
-#ifndef __WS2812_DMA_H__
-#define __WS2812_DMA_H__
-
-// type definition taken from : sdio_slv.h
-
-typedef struct 
-{
-  uint32_t  blocksize:12;
-  uint32_t  datalen:12;
-  uint32_t  unused:5;
-  uint32_t  sub_sof:1;
-  uint32_t  eof:1;
-  uint32_t  owner:1;
-  uint32_t  buf_ptr;
-  uint32_t  next_link_ptr;
-} sdio_queue_t;
-
-// -----------------------------------------------------
-
-extern void ws2812_dma(sdio_queue_t *);
-
-#endif
-