diff --git a/drivers/staging/rtl8188eu/include/odm_interface.h b/drivers/staging/rtl8188eu/include/odm_interface.h
index 5338290c3579d16bef953d752d63a88c976096e9..ba58a67a8ecc0749f53e5416c9ada952a245c99d 100644
--- a/drivers/staging/rtl8188eu/include/odm_interface.h
+++ b/drivers/staging/rtl8188eu/include/odm_interface.h
@@ -58,10 +58,6 @@ enum odm_h2c_cmd {
 	ODM_MAX_H2CCMD
 };
 
-/*  ODM Timer relative API. */
-
-void ODM_CancelTimer(struct odm_dm_struct *pDM_Odm, struct timer_list *pTimer);
-
 /*  ODM FW relative API. */
 u32 ODM_FillH2CCmd(u8 *pH2CBuffer, u32 H2CBufferLen, u32 CmdNum,
 		   u32 *pElementID, u32 *pCmdLen, u8 **pCmbBuffer,