diff --git a/commons.h b/commons.h
index 5f9b7b6..05d97dd 100644
--- a/commons.h
+++ b/commons.h
@@ -95,7 +95,6 @@ extern struct dec_data {
     bool newdat;                // true ==> new data, must do long FFT
     int npts8;                  // npts for c0() array
     int nfa;                    // Low decode limit (Hz) (filter min)
-    int nfSplit;                // JT65 | JT9 split frequency
     int nfb;                    // High decode limit (Hz) (filter max)
     int ntol;                   // +/- decoding range around fQSO (Hz)
     bool syncStats;              // only compute sync candidates
diff --git a/lib/jt9.f90 b/lib/jt9.f90
index 7888afd..e0e9eab 100644
--- a/lib/jt9.f90
+++ b/lib/jt9.f90
@@ -19,7 +19,7 @@ program jt9
   character(len=500) optarg, infile
   character wisfile*80
 !### ndepth was defined as 60001.  Why???
-  integer :: arglen,stat,offset,remain,mode=0,flow=200,fsplit=2700,          &
+  integer :: arglen,stat,offset,remain,mode=0,flow=200,          &
        fhigh=4000,nrxfreq=1500,ntrperiod=1,ndepth=1,nexp_decode=0
   logical :: read_files = .true., tx9 = .false., display_help = .false., syncStats = .false.
   type (option) :: long_options(22) = [ &
@@ -105,8 +105,6 @@ program jt9
            read (optarg(:arglen), *) nrxfreq
         case ('L')
            read (optarg(:arglen), *) flow
-        case ('S')
-           read (optarg(:arglen), *) fsplit
         case ('H')
            read (optarg(:arglen), *) fhigh
         !case ('q')
@@ -247,7 +245,6 @@ program jt9
      shared_data%params%newdat=.true.
      shared_data%params%npts8=74736
      shared_data%params%nfa=flow
-     shared_data%params%nfsplit=fsplit
      shared_data%params%nfb=fhigh
      shared_data%params%ntol=20
      shared_data%params%kin=64800
@@ -289,7 +286,6 @@ program jt9
      shared_data%params%nsubmode=nsubmode
      datetime="2013-Apr-16 15:13" !### Temp
      shared_data%params%datetime=transfer(datetime,shared_data%params%datetime)
-     if(mode.eq.9 .and. fsplit.ne.2700) shared_data%params%nfa=fsplit
      shared_data%params%kposA=0
      shared_data%params%kposB=0
      shared_data%params%kposC=0
diff --git a/lib/jt9com.f90 b/lib/jt9com.f90
index 0a69ef2..cf6b310 100644
--- a/lib/jt9com.f90
+++ b/lib/jt9com.f90
@@ -15,7 +15,6 @@
      logical(c_bool) :: newdat
      integer(c_int) :: npts8
      integer(c_int) :: nfa
-     integer(c_int) :: nfsplit
      integer(c_int) :: nfb
      integer(c_int) :: ntol
      logical(c_bool) :: syncStats
diff --git a/mainwindow.cpp b/mainwindow.cpp
index ecc1273..4cad5c5 100644
--- a/mainwindow.cpp
+++ b/mainwindow.cpp
@@ -4731,9 +4731,8 @@ bool MainWindow::decodeProcessQueue(qint32 *pSubmode){
     dec_data.params.ndiskdat=0;
     if(m_diskData) dec_data.params.ndiskdat=1;
 
-    dec_data.params.nfa=m_wideGraph->nStartFreq();
-    dec_data.params.nfSplit=m_wideGraph->Fmin();
-    dec_data.params.nfb=m_wideGraph->Fmax();
+    dec_data.params.nfa=0;
+    dec_data.params.nfb=5000;
 
     if(m_wideGraph->filterEnabled()){
         int low = max(0, m_wideGraph->filterMinimum());