diff --git a/decoder/ih264d_thread_parse_decode.c b/decoder/ih264d_thread_parse_decode.c
index 910183c..f3da270 100644
--- a/decoder/ih264d_thread_parse_decode.c
+++ b/decoder/ih264d_thread_parse_decode.c
@@ -633,8 +633,6 @@ void ih264d_decode_picture_thread(dec_struct_t *ps_dec )
                               ps_dec->u4_fmt_conv_num_rows);
         ps_dec->u4_fmt_conv_cur_row += ps_dec->u4_fmt_conv_num_rows;
     }
-
-    ithread_exit(0);
 }
 
 void ih264d_signal_decode_thread(dec_struct_t *ps_dec)
diff --git a/test/decoder/main.c b/test/decoder/main.c
index 937515e..8c9e885 100644
--- a/test/decoder/main.c
+++ b/test/decoder/main.c
@@ -1612,9 +1612,6 @@ WORD32 display_thread(void *pv_ctx)
     }
     ps_app_ctx->disp_deinit(ps_app_ctx->pv_disp_ctx);
 
-    /* destroy the display thread */
-    ithread_exit(ps_app_ctx->display_thread_handle);
-
     return 0;
 }