diff --git a/drivers/amlogic/media/deinterlace/deinterlace_hw.c b/drivers/amlogic/media/deinterlace/deinterlace_hw.c
index 4b0a0b00caa8..3e0437ad754c 100644
--- a/drivers/amlogic/media/deinterlace/deinterlace_hw.c
+++ b/drivers/amlogic/media/deinterlace/deinterlace_hw.c
@@ -330,11 +330,6 @@ void calc_lmv_base_mcinfo(unsigned int vf_height, unsigned long mcinfo_adr,
 	if (!lmv_lock_win_en)
 		return;
 
-    if (!cpu_after_eq(MESON_CPU_MAJOR_ID_G12A)) {
-		pr_debug("%s: only support G12A and after chips.\n", __func__);
-		return;
-	}
-
 	tmp = di_vmap(mcinfo_adr, mcinfo_size, &bflg_vmap);
 	if (tmp == NULL) {
 		di_print("err:di_vmap failed\n");
diff --git a/drivers/amlogic/media/deinterlace/deinterlace_hw.h b/drivers/amlogic/media/deinterlace/deinterlace_hw.h
index 17622be59b4a..e18198410946 100644
--- a/drivers/amlogic/media/deinterlace/deinterlace_hw.h
+++ b/drivers/amlogic/media/deinterlace/deinterlace_hw.h
@@ -187,18 +187,5 @@ extern u8 *di_vmap(ulong addr, u32 size, bool *bflg);
 extern void di_unmap_phyaddr(u8 *vaddr);
 extern int di_print(const char *fmt, ...);
 
-#define DI_MC_SW_OTHER	(1<<0)
-#define DI_MC_SW_REG	(1<<1)
-//#define DI_MC_SW_POST	(1<<2)
-#define DI_MC_SW_IC	(1<<2)
-
-#define DI_MC_SW_ON_MASK	(DI_MC_SW_REG | DI_MC_SW_OTHER | DI_MC_SW_IC)
-
-extern void di_patch_post_update_mc(void);
-extern void di_patch_post_update_mc_sw(unsigned int cmd, bool on);
-
-extern void di_rst_protect(bool on);
-extern void di_pre_nr_wr_done_sel(bool on);
-extern void di_arb_sw(bool on);
 
 #endif