diff --git a/icefall/.decode.py.swp b/icefall/.decode.py.swp
index 6707db271..a15dd5d9e 100644
Binary files a/icefall/.decode.py.swp and b/icefall/.decode.py.swp differ
diff --git a/icefall/decode.py b/icefall/decode.py
index 269d34ebe..57320fda8 100644
--- a/icefall/decode.py
+++ b/icefall/decode.py
@@ -956,10 +956,11 @@ def rescore_with_attention_decoder(
     attention_scores = -nll.sum(dim=1)
     
     if ngram_lm_scale is None:
-        ngram_lm_scale_list = [0.01, 0.05, 0.08]
-        ngram_lm_scale_list += [0.1, 0.3, 0.5, 0.6, 0.7, 0.9, 1.0]
-        ngram_lm_scale_list += [1.1, 1.2, 1.3, 1.5, 1.7, 1.9, 2.0]
-        ngram_lm_scale_list += [2.1, 2.2, 2.3, 2.5, 3.0, 4.0, 5.0]
+        ngram_lm_scale_list = [0]
+        #ngram_lm_scale_list = [0.01, 0.05, 0.08]
+        #ngram_lm_scale_list += [0.1, 0.3, 0.5, 0.6, 0.7, 0.9, 1.0]
+        #ngram_lm_scale_list += [1.1, 1.2, 1.3, 1.5, 1.7, 1.9, 2.0]
+        #ngram_lm_scale_list += [2.1, 2.2, 2.3, 2.5, 3.0, 4.0, 5.0]
     else:
         ngram_lm_scale_list = [ngram_lm_scale]