diff --git a/src/AudioAnalysisTools/DSP/FrequencyScale.cs b/src/AudioAnalysisTools/DSP/FrequencyScale.cs
index d64bade75..3328d513b 100644
--- a/src/AudioAnalysisTools/DSP/FrequencyScale.cs
+++ b/src/AudioAnalysisTools/DSP/FrequencyScale.cs
@@ -124,7 +124,7 @@ public FrequencyScale(FreqScaleType fst)
         /// <summary>
         /// Gets or sets step size for the FFT window.
         /// </summary>
-        public int FrameStep { get; set; }
+        public int WindowStep { get; set; }
 
         /// <summary>
         /// Gets or sets number of frequency bins in the final spectrogram.
@@ -242,38 +242,6 @@ public int GetBinIdInReducedSpectrogramForHerzValue(int herzValue)
             return gridLineLocations;
         }
 
-        /// <summary>
-        /// This method is only called from Basesonogram.GetImage_ReducedSonogram(int factor, bool drawGridLines)
-        ///   when drawing a reduced sonogram.
-        /// </summary>
-        public static int[] CreateLinearYaxis(int herzInterval, int nyquistFreq, int imageHt)
-        {
-            int minFreq = 0;
-            int maxFreq = nyquistFreq;
-            int freqRange = maxFreq - minFreq + 1;
-            double pixelPerHz = imageHt / (double)freqRange;
-            int[] vScale = new int[imageHt];
-
-            for (int f = minFreq + 1; f < maxFreq; f++)
-            {
-                // convert freq value to pixel id
-                if (f % 1000 == 0)
-                {
-                    int hzOffset = f - minFreq;
-                    int pixelId = (int)(hzOffset * pixelPerHz) + 1;
-                    if (pixelId >= imageHt)
-                    {
-                        pixelId = imageHt - 1;
-                    }
-
-                    // LoggedConsole.WriteLine("f=" + f + " hzOffset=" + hzOffset + " pixelID=" + pixelID);
-                    vScale[pixelId] = 1;
-                }
-            }
-
-            return vScale;
-        }
-
         public static void DrawFrequencyLinesOnImage(Image<Rgb24> bmp, FrequencyScale freqScale, bool includeLabels)
         {
             DrawFrequencyLinesOnImage(bmp, freqScale.GridLineLocations, includeLabels);
diff --git a/src/AudioAnalysisTools/StandardSpectrograms/SpectrogramCepstral.cs b/src/AudioAnalysisTools/StandardSpectrograms/SpectrogramCepstral.cs
index cf51991ea..7b249d298 100644
--- a/src/AudioAnalysisTools/StandardSpectrograms/SpectrogramCepstral.cs
+++ b/src/AudioAnalysisTools/StandardSpectrograms/SpectrogramCepstral.cs
@@ -7,7 +7,6 @@ namespace AudioAnalysisTools.StandardSpectrograms
     using System;
     using Acoustics.Tools.Wav;
     using AudioAnalysisTools.DSP;
-    using AudioAnalysisTools.WavTools;
     using TowseyLibrary;
 
     public class SpectrogramCepstral : BaseSonogram
@@ -53,13 +52,6 @@ public SpectrogramCepstral(AmplitudeSonogram sg, int minHz, int maxHz)
             this.SampleRate = sg.SampleRate;
             this.SigState = sg.SigState;
             this.SnrData = sg.SnrData;
-
-            // sub-band highlighting no longer available
-            //this.subBandMinHz = minHz;
-            //this.subBandMaxHz = maxHz;
-            //double[] noise_subband = BaseSonogram.ExtractModalNoiseSubband(this.SnrData.ModalNoiseProfile, minHz, maxHz, sg.doMelScale,
-            //                                                   sonogram.Configuration.FreqBinCount, sonogram.FBinWidth);
-
             this.Data = SpectrogramTools.ExtractFreqSubband(sg.Data, minHz, maxHz, this.Configuration.DoMelScale, sg.Configuration.FreqBinCount, sg.FBinWidth);
 
             //converts amplitude matrix to cepstral sonogram
@@ -133,49 +125,7 @@ protected static Tuple<double[,], double[]> MakeCepstrogram(SonogramConfig confi
             // return matrix and full bandwidth modal noise profile
             return tuple2;
         }
-
-        /// <summary>
-        /// Returns a Spectrogram and Cepstrogram from the passed recording. These are NOT noise reduced.
-        /// however, tuple also returns the modal noise and sub-band modal noise.
-        /// </summary>
-        public static Tuple<SpectrogramStandard, SpectrogramCepstral, double[], double[]> GetAllSonograms(AudioRecording recording, SonogramConfig sonoConfig, int minHz, int maxHz)
-        {
-            int sr = recording.SampleRate;
-            bool doMelScale = sonoConfig.DoMelScale;
-            int ccCount = sonoConfig.mfccConfig.CcCount;
-            bool includeDelta = sonoConfig.mfccConfig.IncludeDelta;
-            bool includeDoubleDelta = sonoConfig.mfccConfig.IncludeDoubleDelta;
-            sonoConfig.SourceFName = recording.BaseName;
-
-            var basegram = new AmplitudeSonogram(sonoConfig, recording.WavReader);
-            var sonogram = new SpectrogramStandard(basegram);  //spectrogram has dim[N,257]
-
-            Log.WriteLine("Signal: Duration={0}, Sample Rate={1}", sonogram.Duration, sr);
-            Log.WriteLine(
-                $"Frames: Size={0}, Count={1}, Duration={2:f1}ms, Overlap={5:f0}%, Offset={3:f1}ms, Frames/s={4:f1}",
-                sonogram.Configuration.WindowSize,
-                sonogram.FrameCount,
-                sonogram.FrameDuration * 1000,
-                sonogram.FrameStep * 1000,
-                sonogram.FramesPerSecond,
-                sonoConfig.WindowOverlap * 100);
-
-            int binCount = (int)(maxHz / sonogram.FBinWidth) - (int)(minHz / sonogram.FBinWidth) + 1;
-            Log.WriteLine("Freqs : {0} Hz - {1} Hz. (Freq bin count = {2})", minHz, maxHz, binCount);
-            Log.WriteLine("MFCCs : doMelScale=" + doMelScale + ";  ccCount=" + ccCount + ";  includeDelta=" + includeDelta + ";  includeDoubleDelta=" + includeDoubleDelta);
-
-            //CALCULATE MODAL NOISE PROFILE - USER MAY REQUIRE IT FOR NOISE REDUCTION
-            double[] modalNoise = sonogram.SnrData.ModalNoiseProfile;
-
-            //extract sub-band modal noise profile
-            double[] noiseSubband = SpectrogramTools.ExtractModalNoiseSubband(modalNoise, minHz, maxHz, doMelScale, sonogram.NyquistFrequency, sonogram.FBinWidth);
-
-            // CALCULATE CEPSTRO-GRAM.  //cepstrogram has dim[N,13]
-            var cepstrogram = new SpectrogramCepstral(basegram, minHz, maxHz);
-            var tuple = Tuple.Create(sonogram, cepstrogram, modalNoise, noiseSubband);
-            return tuple;
-        }
-    } // end class CepstralSonogram
+    } // class CepstralSonogram
 
     //##################################################################################################################################
     //##################################################################################################################################