diff --git a/src/algorithms/PVT/gnuradio_blocks/rtklib_pvt_cc.cc b/src/algorithms/PVT/gnuradio_blocks/rtklib_pvt_cc.cc
index 2b94ab34d..5824e8493 100644
--- a/src/algorithms/PVT/gnuradio_blocks/rtklib_pvt_cc.cc
+++ b/src/algorithms/PVT/gnuradio_blocks/rtklib_pvt_cc.cc
@@ -448,8 +448,6 @@ int rtklib_pvt_cc::work (int noutput_items, gr_vector_const_void_star &input_ite
             bool flag_compute_pvt_output = false;
             bool flag_write_RTCM_1019_output = false;
             bool flag_write_RTCM_1045_output = false;
-            bool flag_write_RTCM_1077_output = false;
-            bool flag_write_RTCM_1097_output = false;
             bool flag_write_RTCM_MSM_output = false;
             bool flag_write_RINEX_obs_output = false;
             bool flag_write_RINEX_nav_output = false;
@@ -539,13 +537,11 @@ int rtklib_pvt_cc::work (int noutput_items, gr_vector_const_void_star &input_ite
 
                                     if ((std::fabs(current_RX_time - last_RTCM_1077_output_time) * 1000.0 >= static_cast<double>(d_rtcm_MT1077_rate_ms)) && (d_rtcm_MT1077_rate_ms != 0) )
                                         {
-                                            flag_write_RTCM_1077_output = true;
                                             last_RTCM_1077_output_time = current_RX_time;
                                         }
 
                                     if ((std::fabs(current_RX_time - last_RTCM_1097_output_time) * 1000.0 >= static_cast<double>(d_rtcm_MT1097_rate_ms)) && (d_rtcm_MT1097_rate_ms != 0) )
                                         {
-                                            flag_write_RTCM_1097_output = true;
                                             last_RTCM_1097_output_time = current_RX_time;
                                         }