diff --git a/lib/demapping/tch_f_chans_demapper_impl.h b/lib/demapping/tch_f_chans_demapper_impl.h
index 7a546e7..bef018d 100644
--- a/lib/demapping/tch_f_chans_demapper_impl.h
+++ b/lib/demapping/tch_f_chans_demapper_impl.h
@@ -32,8 +32,6 @@
     {
      private:
       unsigned int d_timeslot;
-      int d_tch_type;
-      int d_tch_h_channel;
       // Downlink
       uint32_t d_frame_numbers_dl[3][8];       // for checking consecutive frame numbers of tch
       uint32_t d_frame_numbers_sacch_dl[4];    // for checking consecutive frame numbers of sacch
@@ -51,7 +49,7 @@
                               uint32_t d_frame_numbers[3][8], pmt::pmt_t msg_out);
 
      public:
-      tch_f_chans_demapper_impl(unsigned int timeslot_nr, int tch_type, int tch_h_channel);
+      tch_f_chans_demapper_impl(unsigned int timeslot_nr);
       ~tch_f_chans_demapper_impl();
 
       void filter_tch_chans(pmt::pmt_t msg);