diff --git a/devsetup.ui b/devsetup.ui
index 05d80ec43..14f7e0ae7 100644
--- a/devsetup.ui
+++ b/devsetup.ui
@@ -1461,7 +1461,7 @@
       <attribute name="title">
        <string>Si570 Control</string>
       </attribute>
-      <widget class="QWidget" name="layoutWidget">
+      <widget class="QWidget" name="layoutWidget_6">
        <property name="geometry">
         <rect>
          <x>41</x>
diff --git a/libm65/ptt.c b/libm65/ptt.c
index d0ee0cb1e..0f99d1be8 100644
--- a/libm65/ptt.c
+++ b/libm65/ptt.c
@@ -6,7 +6,7 @@ int ptt_(int *nport, int *ntx, int *iptt)
   static HANDLE hFile;
   static int open=0;
   char s[10];
-  int i3,i4,i5,i6,i9,i00;
+  int i3=0,i4=0,i5=0,i6=0,i9=0,i00=0;
 
   if(*nport==0) {
     *iptt=*ntx;
@@ -38,5 +38,6 @@ int ptt_(int *nport, int *ntx, int *iptt)
     *iptt=0;
     open=0;
   }
+  if((i00+i3+i4+i5+i6+i9)==-99) return -1;  //Silence compiler warning
   return 0;
 }
diff --git a/mainwindow.cpp b/mainwindow.cpp
index cd50442a2..16ba488c8 100644
--- a/mainwindow.cpp
+++ b/mainwindow.cpp
@@ -1,4 +1,4 @@
-//------------------------------------------------------------- MainWindow
+//-------------------------------------------------------------- MainWindow
 #include "mainwindow.h"
 #include "ui_mainwindow.h"
 #include "devsetup.h"
diff --git a/mainwindow.ui b/mainwindow.ui
index 960c0fcb3..1ab8fa750 100644
--- a/mainwindow.ui
+++ b/mainwindow.ui
@@ -1122,8 +1122,6 @@ p, li { white-space: pre-wrap; }
      </property>
      <addaction name="actionLinrad"/>
      <addaction name="actionCuteSDR"/>
-     <addaction name="actionAFMHot"/>
-     <addaction name="actionBlue"/>
     </widget>
     <addaction name="actionAstro_Data"/>
     <addaction name="actionBand_Map"/>
diff --git a/paInputDevice.c b/paInputDevice.c
index 641bd859d..7cf305134 100644
--- a/paInputDevice.c
+++ b/paInputDevice.c
@@ -5,7 +5,7 @@
 void paInputDevice(int id, char* hostAPI_DeviceName, int* minChan, 
 		   int* maxChan, int* minSpeed, int* maxSpeed)
 {
-  int i, j, k;
+  int i;
   char pa_device_name[128];     
   char pa_device_hostapi[128]; 
   double pa_device_max_speed;
@@ -16,7 +16,7 @@ void paInputDevice(int id, char* hostAPI_DeviceName, int* minChan,
   int pa_device_min_channels;
   char p2[50];
   char *p,*p1;
-  static int iret, numDevices, valid_dev_cnt;
+  static int iret, valid_dev_cnt;
 
   iret=pa_get_device_info (id,
                           &pa_device_name,
diff --git a/plotter.cpp b/plotter.cpp
index 286d50476..feed46b48 100644
--- a/plotter.cpp
+++ b/plotter.cpp
@@ -721,33 +721,6 @@ void CPlotter::setPalette(QString palette)                      //setPalette()
     }
     m_ColorTbl[255].setRgb(255,255,100);
   }
-
-  if(palette=="Blue") {
-    FILE* fp=fopen("blue.dat","r");
-    int n,r,g,b;
-    float xr,xg,xb;
-    for(int i=0; i<256; i++) {
-//      fscanf(fp,"%d%f%f%f",&n,&xr,&xg,&xb);
-      r=255.0*xr + 0.5;
-      g=255.0*xg + 0.5;
-      b=255.0*xb + 0.5;
-      m_ColorTbl[i].setRgb(r,g,b);
-    }
-  }
-
-  if(palette=="AFMHot") {
-    FILE* fp=fopen("afmhot.dat","r");
-    int n,r,g,b;
-    float xr,xg,xb;
-    for(int i=0; i<256; i++) {
-//      fscanf(fp,"%d%f%f%f",&n,&xr,&xg,&xb);
-      r=255.0*xr + 0.5;
-      g=255.0*xg + 0.5;
-      b=255.0*xb + 0.5;
-      m_ColorTbl[i].setRgb(r,g,b);
-    }
-  }
-
 }
 
 void CPlotter::setFsample(int n)