diff --git a/src/onlinebin/online-gmm-decode-faster.cc b/src/onlinebin/online-gmm-decode-faster.cc
index 08e9750d2..766750663 100644
--- a/src/onlinebin/online-gmm-decode-faster.cc
+++ b/src/onlinebin/online-gmm-decode-faster.cc
@@ -59,8 +59,6 @@ int main(int argc, char *argv[]) {
     int32 cmn_window = 600;
     int32 right_context = 4, left_context = 4;
 
-    kaldi::DeltaFeaturesOptions delta_opts;
-    delta_opts.Register(&po);
     OnlineFasterDecoderOpts decoder_opts;
     decoder_opts.Register(&po, true);
     po.Register("left-context", &left_context, "Number of frames of left context");
diff --git a/src/onlinebin/online-server-gmm-decode-faster.cc b/src/onlinebin/online-server-gmm-decode-faster.cc
index b89bf112e..8f42e311a 100644
--- a/src/onlinebin/online-server-gmm-decode-faster.cc
+++ b/src/onlinebin/online-server-gmm-decode-faster.cc
@@ -78,8 +78,6 @@ int main(int argc, char *argv[]) {
     int32 cmn_window = 600;
     int32 right_context = 4, left_context = 4;
 
-    kaldi::DeltaFeaturesOptions delta_opts;
-    delta_opts.Register(&po);
     OnlineFasterDecoderOpts decoder_opts;
     decoder_opts.Register(&po, true);
     po.Register("left-context", &left_context, "Number of frames of left context");