diff --git a/inc/rk_mpi_cmd.h b/inc/rk_mpi_cmd.h
index 758436a4..164c28c0 100644
--- a/inc/rk_mpi_cmd.h
+++ b/inc/rk_mpi_cmd.h
@@ -652,7 +652,6 @@ typedef struct MppEncH264RefCfg_t {
     RK_S32         hw_longterm_mode;
     RK_S32         i_dpb_size;         /* Force a DPB size larger than that implied by B-frames and reference frames.
                                         * Useful in combination with interactive error resilience. */
-    RK_S32         i_frame_packing;
 } MppEncH264RefCfg;
 
 typedef struct MppEncH264SeiCfg_t {
diff --git a/mpp/hal/common/h264/hal_h264e_api.c b/mpp/hal/common/h264/hal_h264e_api.c
index 5291cda9..5bf744cc 100644
--- a/mpp/hal/common/h264/hal_h264e_api.c
+++ b/mpp/hal/common/h264/hal_h264e_api.c
@@ -122,8 +122,6 @@ MPP_RET hal_h264e_init(void *hal, MppHalCfg *cfg)
     ref->i_long_term_en = H264E_LONGTERM_REF_EN;
     ref->hw_longterm_mode = 0;
     ref->i_long_term_internal = 0;
-    ref->i_frame_packing = -1;
-
 
     ctx->cfg = cfg->cfg;
     ctx->set = cfg->set;
diff --git a/mpp/hal/common/h264/hal_h264e_com.c b/mpp/hal/common/h264/hal_h264e_com.c
index 5c577422..2fb391bd 100644
--- a/mpp/hal/common/h264/hal_h264e_com.c
+++ b/mpp/hal/common/h264/hal_h264e_com.c
@@ -450,7 +450,6 @@ static void h264e_set_ref(H264eRefParam *ref)
     ref->i_long_term_en = H264E_LONGTERM_REF_EN;
     ref->hw_longterm_mode = 0;
     ref->i_long_term_internal = 0;
-    ref->i_frame_packing = -1;
 }
 
 void h264e_set_param(H264eHalParam *p, RK_S32 hw_type)
diff --git a/mpp/hal/common/h264/hal_h264e_com.h b/mpp/hal/common/h264/hal_h264e_com.h
index cfa5fdd1..2da23b0e 100644
--- a/mpp/hal/common/h264/hal_h264e_com.h
+++ b/mpp/hal/common/h264/hal_h264e_com.h
@@ -360,7 +360,6 @@ typedef struct H264eRefParam_t {
     RK_S32         hw_longterm_mode;
     RK_S32         i_dpb_size;         /* Force a DPB size larger than that implied by B-frames and reference frames.
                                         * Useful in combination with interactive error resilience. */
-    RK_S32         i_frame_packing;
 } H264eRefParam;
 
 typedef struct H264eHalParam_t {
diff --git a/mpp/hal/rkenc/h264e/hal_h264e_rkv_dpb.c b/mpp/hal/rkenc/h264e/hal_h264e_rkv_dpb.c
index da1df5a3..c770fc0e 100644
--- a/mpp/hal/rkenc/h264e/hal_h264e_rkv_dpb.c
+++ b/mpp/hal/rkenc/h264e/hal_h264e_rkv_dpb.c
@@ -175,14 +175,9 @@ static void h264e_rkv_reference_reset(H264eRkvDpbCtx *dpb_ctx)
 }
 
 static RK_S32
-h264e_rkv_reference_distance(H264eRefParam *ref_cfg,
-                             H264eRkvDpbCtx *dpb_ctx, H264eRkvFrame *frame )
+h264e_rkv_reference_distance(H264eRkvDpbCtx *dpb_ctx, H264eRkvFrame *frame )
 {
-    if ( ref_cfg->i_frame_packing == 5 )
-        return abs((dpb_ctx->fdec->i_frame_cnt & ~1) - (frame->i_frame_cnt & ~1)) +
-               ((dpb_ctx->fdec->i_frame_cnt & 1) != (frame->i_frame_cnt & 1));
-    else
-        return abs(dpb_ctx->fdec->i_frame_cnt - frame->i_frame_cnt);
+    return abs(dpb_ctx->fdec->i_frame_cnt - frame->i_frame_cnt);
 }
 
 static void h264e_rkv_reference_build_list(H264eHalContext *ctx)
@@ -254,8 +249,8 @@ static void h264e_rkv_reference_build_list(H264eHalContext *ctx)
                 if ( list ? dpb_ctx->fref[list][i + 1]->i_poc < dpb_ctx->fref_nearest[list]->i_poc
                      : dpb_ctx->fref[list][i + 1]->i_poc > dpb_ctx->fref_nearest[list]->i_poc )
                     dpb_ctx->fref_nearest[list] = dpb_ctx->fref[list][i + 1];
-                if ( h264e_rkv_reference_distance( ref_cfg, dpb_ctx, dpb_ctx->fref[list][i]   ) >
-                     h264e_rkv_reference_distance( ref_cfg, dpb_ctx, dpb_ctx->fref[list][i + 1] ) ) {
+                if ( h264e_rkv_reference_distance(dpb_ctx, dpb_ctx->fref[list][i]   ) >
+                     h264e_rkv_reference_distance(dpb_ctx, dpb_ctx->fref[list][i + 1] ) ) {
                     MPP_SWAP( H264eRkvFrame *, dpb_ctx->fref[list][i], dpb_ctx->fref[list][i + 1] );
                     b_ok = 0;
                     break;