diff --git a/mpp/codec/dec/h265/h265d_parser.c b/mpp/codec/dec/h265/h265d_parser.c
index 1c22b086..a409950a 100644
--- a/mpp/codec/dec/h265/h265d_parser.c
+++ b/mpp/codec/dec/h265/h265d_parser.c
@@ -1356,7 +1356,7 @@ static RK_S32 parser_nal_unit(HEVCContext *s, const RK_U8 *nal, int length)
 
         if (!s->sh.dependent_slice_segment_flag &&
             s->sh.slice_type != I_SLICE) {
-            ret = mpp_hevc_slice_rpl(s);
+            // ret = mpp_hevc_slice_rpl(s);
             if (ret < 0) {
                 mpp_log("Error constructing the reference lists for the current slice.\n");
                 goto fail;
@@ -1805,7 +1805,6 @@ MPP_RET h265d_parse(void *ctx, HalDecTask *task)
     }
 #endif
     s->nb_frame++;
-
     if (s->is_decoded) {
         h265d_dbg(H265D_DBG_GLOBAL, "Decoded frame with POC %d.\n", s->poc);
         s->is_decoded = 0;
diff --git a/mpp/codec/dec/h265/h265d_parser.h b/mpp/codec/dec/h265/h265d_parser.h
index 8667e8fc..207d5b3b 100644
--- a/mpp/codec/dec/h265/h265d_parser.h
+++ b/mpp/codec/dec/h265/h265d_parser.h
@@ -429,16 +429,7 @@ typedef struct HEVCPPS {
     // Inferred parameters
     RK_U32 *column_width;  ///< ColumnWidth
     RK_U32 *row_height;    ///< RowHeight
-    RK_U32 *col_bd;        ///< ColBd
-    RK_U32 *row_bd;        ///< RowBd
-    RK_S32 *col_idxX;
 
-    RK_S32 *ctb_addr_rs_to_ts; ///< CtbAddrRSToTS
-    RK_S32 *ctb_addr_ts_to_rs; ///< CtbAddrTSToRS
-    RK_S32 *tile_id;           ///< TileId
-    RK_S32 *tile_pos_rs;       ///< TilePosRS
-    RK_S32 *min_cb_addr_zs;    ///< MinCbAddrZS
-    RK_S32 *min_tb_addr_zs;    ///< MinTbAddrZS
 } HEVCPPS;
 
 typedef struct SliceHeader {
diff --git a/mpp/codec/dec/h265/h265d_ps.c b/mpp/codec/dec/h265/h265d_ps.c
index 01c10570..cc3e1f99 100644
--- a/mpp/codec/dec/h265/h265d_ps.c
+++ b/mpp/codec/dec/h265/h265d_ps.c
@@ -1846,15 +1846,6 @@ void mpp_hevc_pps_free(RK_U8 *data)
     if (pps != NULL) {
         mpp_free(pps->column_width);
         mpp_free(pps->row_height);
-        mpp_free(pps->col_bd);
-        mpp_free(pps->row_bd);
-        mpp_free(pps->col_idxX);
-        mpp_free(pps->ctb_addr_rs_to_ts);
-        mpp_free(pps->ctb_addr_ts_to_rs);
-        mpp_free(pps->tile_pos_rs);
-        mpp_free(pps->tile_id);
-        mpp_free(pps->min_cb_addr_zs);
-        mpp_free(pps->min_tb_addr_zs);
         mpp_free(pps);
     }
 }
@@ -1864,8 +1855,7 @@ int mpp_hevc_decode_nal_pps(HEVCContext *s)
 
     BitReadCtx_t *gb = &s->HEVClc->gb;
     HEVCSPS      *sps = NULL;
-    RK_S32 pic_area_in_ctbs, pic_area_in_min_cbs, pic_area_in_min_tbs;
-    RK_S32 i, j, x, y, ctb_addr_rs, tile_id;
+    RK_S32 i;
     RK_S32 ret    = 0;
     RK_S32 pps_id = 0;
 
@@ -2079,14 +2069,6 @@ int mpp_hevc_decode_nal_pps(HEVCContext *s)
     }
 
     // Inferred parameters
-    pps->col_bd   = mpp_malloc(RK_U32, (pps->num_tile_columns + 1));
-    pps->row_bd   = mpp_malloc(RK_U32, (pps->num_tile_rows + 1));
-    pps->col_idxX = mpp_malloc(RK_S32, sps->ctb_width);
-    if (!pps->col_bd || !pps->row_bd || !pps->col_idxX) {
-        ret = MPP_ERR_NOMEM;
-        goto err;
-    }
-
     if (pps->uniform_spacing_flag) {
         if (!pps->column_width) {
             pps->column_width = mpp_malloc(RK_U32, pps->num_tile_columns );
@@ -2108,87 +2090,6 @@ int mpp_hevc_decode_nal_pps(HEVCContext *s)
         }
     }
 
-    pps->col_bd[0] = 0;
-    for (i = 0; i < pps->num_tile_columns; i++)
-        pps->col_bd[i + 1] = pps->col_bd[i] + pps->column_width[i];
-
-    pps->row_bd[0] = 0;
-    for (i = 0; i < pps->num_tile_rows; i++)
-        pps->row_bd[i + 1] = pps->row_bd[i] + pps->row_height[i];
-
-    for (i = 0, j = 0; i < sps->ctb_width; i++) {
-        if ((RK_U32)i > pps->col_bd[j])
-            j++;
-        pps->col_idxX[i] = j;
-    }
-
-    /**
-     * 6.5
-     */
-    pic_area_in_ctbs     = sps->ctb_width    * sps->ctb_height;
-    pic_area_in_min_cbs  = sps->min_cb_width * sps->min_cb_height;
-    pic_area_in_min_tbs  = sps->min_tb_width * sps->min_tb_height;
-
-    pps->ctb_addr_rs_to_ts = mpp_malloc(RK_S32, pic_area_in_ctbs);
-    pps->ctb_addr_ts_to_rs = mpp_malloc(RK_S32, pic_area_in_ctbs);
-    pps->tile_id           = mpp_malloc(RK_S32, pic_area_in_ctbs );
-    pps->min_cb_addr_zs    = mpp_malloc(RK_S32, pic_area_in_min_cbs);
-    pps->min_tb_addr_zs    = mpp_malloc(RK_S32, pic_area_in_min_tbs);
-    if (!pps->ctb_addr_rs_to_ts || !pps->ctb_addr_ts_to_rs ||
-        !pps->tile_id || !pps->min_cb_addr_zs || !pps->min_tb_addr_zs) {
-        ret = MPP_ERR_NOMEM;
-        goto err;
-    }
-
-    for (ctb_addr_rs = 0; ctb_addr_rs < pic_area_in_ctbs; ctb_addr_rs++) {
-        RK_U32 tb_x   = ctb_addr_rs % sps->ctb_width;
-        RK_U32 tb_y   = ctb_addr_rs / sps->ctb_width;
-        RK_S32 tile_x = 0;
-        RK_S32 tile_y = 0;
-        int val    = 0;
-
-        for (i = 0; i < pps->num_tile_columns; i++) {
-            if (tb_x < pps->col_bd[i + 1]) {
-                tile_x = i;
-                break;
-            }
-        }
-
-        for (i = 0; i < pps->num_tile_rows; i++) {
-            if (tb_y < pps->row_bd[i + 1]) {
-                tile_y = i;
-                break;
-            }
-        }
-
-        for (i = 0; i < tile_x; i++)
-            val += pps->row_height[tile_y] * pps->column_width[i];
-        for (i = 0; i < tile_y; i++)
-            val += sps->ctb_width * pps->row_height[i];
-
-        val += (tb_y - pps->row_bd[tile_y]) * pps->column_width[tile_x] +
-               tb_x - pps->col_bd[tile_x];
-
-        pps->ctb_addr_rs_to_ts[ctb_addr_rs] = val;
-        pps->ctb_addr_ts_to_rs[val]         = ctb_addr_rs;
-    }
-
-    for (j = 0, tile_id = 0; j < pps->num_tile_rows; j++)
-        for (i = 0; i < pps->num_tile_columns; i++, tile_id++)
-            for (y = pps->row_bd[j]; (RK_U32)y < pps->row_bd[j + 1]; y++)
-                for (x = pps->col_bd[i]; (RK_U32)x < pps->col_bd[i + 1]; x++)
-                    pps->tile_id[pps->ctb_addr_rs_to_ts[y * sps->ctb_width + x]] = tile_id;
-
-    pps->tile_pos_rs = mpp_malloc(RK_S32, tile_id);
-    if (!pps->tile_pos_rs) {
-        ret = MPP_ERR_NOMEM;
-        goto err;
-    }
-
-    for (j = 0; j < pps->num_tile_rows; j++)
-        for (i = 0; i < pps->num_tile_columns; i++)
-            pps->tile_pos_rs[j * pps->num_tile_columns + i] = pps->row_bd[j] * sps->ctb_width + pps->col_bd[i];
-
     if (s->pps_list[pps_id] != NULL) {
         mpp_hevc_pps_free(s->pps_list[pps_id]);
         s->pps_list[pps_id] = NULL;
diff --git a/mpp/codec/dec/h265/h265d_refs.c b/mpp/codec/dec/h265/h265d_refs.c
index fc67d9cb..680427b5 100644
--- a/mpp/codec/dec/h265/h265d_refs.c
+++ b/mpp/codec/dec/h265/h265d_refs.c
@@ -171,24 +171,6 @@ int mpp_hevc_set_new_ref(HEVCContext *s, MppFrame *mframe, int poc)
     return 0;
 }
 
-static int init_slice_rpl(HEVCContext *s)
-{
-    HEVCFrame *frame = s->ref;
-    RK_S32 ctb_count    = frame->ctb_count;
-    RK_S32 ctb_addr_ts  = s->pps->ctb_addr_rs_to_ts[s->sh.slice_segment_addr];
-    RK_S32 i;
-
-    if (s->slice_idx >= s->nb_nals)
-        return  MPP_ERR_STREAM;
-
-    for (i = ctb_addr_ts; i < ctb_count; i++)
-        frame->rpl_tab[i] = (RefPicListTab *)frame->rpl_buf + s->slice_idx;
-
-    frame->refPicList = (RefPicList *)frame->rpl_tab[ctb_addr_ts];
-
-    return 0;
-}
-
 static HEVCFrame *find_ref_idx(HEVCContext *s, int poc)
 {
     RK_U32 i;
@@ -215,77 +197,7 @@ static HEVCFrame *find_ref_idx(HEVCContext *s, int poc)
     return NULL;
 }
 
-int mpp_hevc_slice_rpl(HEVCContext *s)
-{
-    RK_U8 list_idx;
-    RK_U32 i;
-    RK_S32 j, ret;
-    RefPicList *rpl = NULL;
-    RK_S32 cand_lists[3];
 
-    SliceHeader *sh = &s->sh;
-    RK_U8 nb_list = sh->slice_type == B_SLICE ? 2 : 1;
-
-    ret = init_slice_rpl(s);
-    if (ret < 0)
-        return ret;
-
-    if (!(s->rps[ST_CURR_BEF].nb_refs + s->rps[ST_CURR_AFT].nb_refs +
-          s->rps[LT_CURR].nb_refs)) {
-        mpp_err( "Zero refs in the frame RPS.\n");
-        return  MPP_ERR_STREAM;
-    }
-
-    for (list_idx = 0; list_idx < nb_list; list_idx++) {
-        RefPicList rpl_tmp;
-        memset(&rpl_tmp, 0, sizeof(rpl_tmp));
-        rpl = &s->ref->refPicList[list_idx];
-
-        /* The order of the elements is
-         * ST_CURR_BEF - ST_CURR_AFT - LT_CURR for the L0 and
-         * ST_CURR_AFT - ST_CURR_BEF - LT_CURR for the L1 */
-        cand_lists[0] = list_idx ? ST_CURR_AFT : ST_CURR_BEF;
-        cand_lists[1] = list_idx ? ST_CURR_BEF : ST_CURR_AFT;
-        cand_lists[2] = LT_CURR;
-        /* concatenate the candidate lists for the current frame */
-        while ((RK_U32)rpl_tmp.nb_refs < sh->nb_refs[list_idx]) {
-            for (i = 0; i < MPP_ARRAY_ELEMS(cand_lists); i++) {
-                RefPicList *rps = &s->rps[cand_lists[i]];
-                for (j = 0; j < rps->nb_refs && rpl_tmp.nb_refs < MAX_REFS; j++) {
-                    rpl_tmp.list[rpl_tmp.nb_refs]       = rps->list[j];
-                    rpl_tmp.ref[rpl_tmp.nb_refs]        = rps->ref[j];
-                    rpl_tmp.isLongTerm[rpl_tmp.nb_refs] = i == 2;
-                    rpl_tmp.nb_refs++;
-                }
-            }
-        }
-
-        /* reorder the references if necessary */
-        if (sh->rpl_modification_flag[list_idx]) {
-            for (i = 0; i < sh->nb_refs[list_idx]; i++) {
-                int idx = sh->list_entry_lx[list_idx][i];
-
-                if (!s->decoder_id && idx >= rpl_tmp.nb_refs) {
-                    mpp_err( "Invalid reference index.\n");
-                    return  MPP_ERR_STREAM;
-                }
-
-                rpl->list[i]       = rpl_tmp.list[idx];
-                rpl->ref[i]        = rpl_tmp.ref[idx];
-                rpl->isLongTerm[i] = rpl_tmp.isLongTerm[idx];
-                rpl->nb_refs++;
-            }
-        } else {
-            memcpy(rpl, &rpl_tmp, sizeof(*rpl));
-            rpl->nb_refs = MPP_MIN((RK_U32)rpl->nb_refs, sh->nb_refs[list_idx]);
-        }
-
-        if (sh->collocated_list == list_idx &&
-            sh->collocated_ref_idx < (RK_U32)rpl->nb_refs)
-            s->ref->collocated_ref = rpl->ref[sh->collocated_ref_idx];
-    }
-    return 0;
-}
 
 static void mark_ref(HEVCFrame *frame, int flag)
 {