diff --git a/lib/symspec.f90 b/lib/symspec.f90
index 64c88815e..a3bed192f 100644
--- a/lib/symspec.f90
+++ b/lib/symspec.f90
@@ -126,35 +126,3 @@ subroutine symspec(shared_data,k,TRperiod,nsps,ingain,bLowSidelobes,    &
 
   return
 end subroutine symspec
-
-subroutine chk_samples(ihsym,k,nstop)
-  
-  integer*8 count0,count1,clkfreq
-  integer itime(8)
-  real*8 dtime,fsample
-  character*12 ctime
-  data count0/-1/,k0/99999999/,maxhsym/0/
-  save count0,k0,maxhsym
-
-  if(k.lt.k0 .or. count0.eq.-1) then
-     call system_clock(count0,clkfreq)
-     maxhsym=0
-  endif
-  if((mod(ihsym,100).eq.0 .or. ihsym.ge.nstop-100) .and.       &
-       k0.ne.99999999) then
-     call system_clock(count1,clkfreq)
-     dtime=dfloat(count1-count0)/dfloat(clkfreq)
-     if(dtime.lt.28.0) return
-     if(dtime.gt.1.d-6) fsample=(k-3456)/dtime
-     call date_and_time(values=itime)
-     sec=itime(7)+0.001*itime(8)
-     write(ctime,3000) itime(5)-itime(4)/60,itime(6),sec
-3000 format(i2.2,':',i2.2,':',f6.3)
-     write(33,3033) ctime,dtime,ihsym,nstop,k,fsample
-3033 format(a12,f12.6,2i7,i10,f15.3)
-     flush(33)
-  endif
-  k0=k
-
-  return
-end subroutine chk_samples
diff --git a/widgets/mainwindow.cpp b/widgets/mainwindow.cpp
index 2a09e185e..56c99f1a6 100644
--- a/widgets/mainwindow.cpp
+++ b/widgets/mainwindow.cpp
@@ -178,7 +178,6 @@ extern "C" {
 
   void get_ft4msg_(int* idecode, char* line, int len);
 
-  void chk_samples_(int* m_ihsym,int* k, int* m_hsymStop);
 }
 
 int volatile itone[NUM_ISCAT_SYMBOLS];   //Audio tones for all Tx symbols
@@ -1440,7 +1439,6 @@ void MainWindow::dataSink(qint64 frames)
   if(m_mode.startsWith("FST4")) npct=ui->sbNB->value();
   symspec_(&dec_data,&k,&m_TRperiod,&nsps,&m_inGain,&bLowSidelobes,&nsmo,&m_px,s,
            &m_df3,&m_ihsym,&m_npts8,&m_pxmax,&npct);
-  chk_samples_(&m_ihsym,&k,&m_hsymStop);
   if(m_mode=="WSPR" or m_mode=="FST4W") wspr_downsample_(dec_data.d2,&k);
   if(m_ihsym <=0) return;
   if(ui) ui->signal_meter_widget->setValue(m_px,m_pxmax); // Update thermometer