diff --git a/drivers/staging/brcm80211/include/linux_osl.h b/drivers/staging/brcm80211/include/linux_osl.h
index b973f3fea7e2869bb870217a6ce9a53f6cc0e267..18bc1f0d2d849aee526081b96dbe6c1216bace25 100644
--- a/drivers/staging/brcm80211/include/linux_osl.h
+++ b/drivers/staging/brcm80211/include/linux_osl.h
@@ -85,9 +85,6 @@ extern uint osl_dma_map(struct osl_info *osh, void *va, uint size,
 extern void osl_dma_unmap(struct osl_info *osh, uint pa, uint size,
 			  int direction);
 
-/* API for DMA addressing capability */
-#define OSL_DMADDRWIDTH(osh, addrwidth) do {} while (0)
-
 /* register access macros */
 #if defined(BCMSDIO)
 #ifdef BRCM_FULLMAC
diff --git a/drivers/staging/brcm80211/sys/wlc_bmac.c b/drivers/staging/brcm80211/sys/wlc_bmac.c
index d427980aebed49ef78f2985027e31c44b658678e..2245a8b25a24c4c6212bfee3029da55fba5f1dae 100644
--- a/drivers/staging/brcm80211/sys/wlc_bmac.c
+++ b/drivers/staging/brcm80211/sys/wlc_bmac.c
@@ -588,7 +588,6 @@ static bool wlc_bmac_attach_dmapio(wlc_info_t *wlc, uint j, bool wme)
 		 */
 		addrwidth =
 		    dma_addrwidth(wlc_hw->sih, DMAREG(wlc_hw, DMA_TX, 0));
-		OSL_DMADDRWIDTH(osh, addrwidth);
 
 		if (!wl_alloc_dma_resources(wlc_hw->wlc->wl, addrwidth)) {
 			WL_ERROR(("wl%d: wlc_attach: alloc_dma_resources failed\n", unit));