diff --git a/examples/other/tts_finetune/tts3/run_en.sh b/examples/other/tts_finetune/tts3/run_en.sh
index 12b6f8da938426ce5f214eae3300eee53627bd4d..e8551667e528490b00b33b509727d33bd5005813 100755
--- a/examples/other/tts_finetune/tts3/run_en.sh
+++ b/examples/other/tts_finetune/tts3/run_en.sh
@@ -87,8 +87,6 @@ fi
 # synthesize e2e
 if [ ${stage} -le 6 ] && [ ${stop_stage} -ge 6 ]; then
     echo "in hifigan syn_e2e"
-    FLAGS_allocator_strategy=naive_best_fit \
-    FLAGS_fraction_of_gpu_memory_to_use=0.01 \
     python3 ${BIN_DIR}/../synthesize_e2e.py \
         --am=fastspeech2_vctk \
         --am_config=${pretrained_model_dir}/default.yaml \