diff --git a/mainwindow.cpp b/mainwindow.cpp
index 9282be7b9..a9f9787dc 100644
--- a/mainwindow.cpp
+++ b/mainwindow.cpp
@@ -547,7 +547,6 @@ void MainWindow::dataSink(int k)
   static float s[NSMAX],red[NSMAX];
   static int ihsym=0;
   static int nzap=0;
-  static int nb;
   static int trmin;
   static int npts8;
   static float px=0.0;
@@ -560,8 +559,6 @@ void MainWindow::dataSink(int k)
   }
 
 // Get power, spectrum, and ihsym
-  nb=0;
-  if(m_NB) nb=1;
   trmin=m_TRperiod/60;
   symspec_(&k,&trmin,&m_nsps,&m_inGain,&px,s,red,&df3,&ihsym,&npts8);
   if(ihsym <=0) return;
diff --git a/soundout.cpp b/soundout.cpp
index 100cbf831..a1e9dd211 100644
--- a/soundout.cpp
+++ b/soundout.cpp
@@ -73,7 +73,7 @@ extern "C" int d2aCallback(const void *inputBuffer, void *outputBuffer,
 //    nspd=3072;                           //18.75 WPM
     nspd=2048 + 512;                       //22.5 WPM
     int ic0=85*4*udata->nsps;
-    for(int i=0 ; i<framesToProcess; i++ )  {
+    for(uint i=0 ; i<framesToProcess; i++ )  {
       phi += dphi;
       if(phi>twopi) phi -= twopi;
       i2=32767.0*sin(phi);
diff --git a/wsjtx.pro b/wsjtx.pro
index ec801aefa..045c21759 100644
--- a/wsjtx.pro
+++ b/wsjtx.pro
@@ -45,7 +45,8 @@ HEADERS  += mainwindow.h plotter.h soundin.h soundout.h \
             commons.h sleep.h displaytext.h logqso.h \
             psk_reporter.h rigclass.h
 
-DEFINES += __cplusplus
+# (Is the following really needed???)
+#DEFINES += __cplusplus
 
 FORMS    += mainwindow.ui about.ui devsetup.ui widegraph.ui \
     logqso.ui