diff --git a/libs/qwt/qwt_plot_spectrogram.cpp b/libs/qwt/qwt_plot_spectrogram.cpp
index 152a6a3..75622ab 100644
--- a/libs/qwt/qwt_plot_spectrogram.cpp
+++ b/libs/qwt/qwt_plot_spectrogram.cpp
@@ -533,6 +533,15 @@ QwtRasterData::ContourLines QwtPlotSpectrogram::renderContourLines(
                                       d_data->contourLevels, d_data->conrecAttributes );
 }
 
+// These pragmas are local modifications to this third party library to silence warnings
+#ifdef Q_OS_LINUX
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wunused-but-set-variable"
+#elif defined(Q_OS_MAC)
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wunused-variable"
+#endif
+
 /*!
    Paint the contour lines
 
@@ -578,6 +587,10 @@ void QwtPlotSpectrogram::drawContourLines(QPainter *painter,
     }
 }
 
+#ifndef Q_OS_WIN
+#pragma GCC diagnostic pop
+#endif
+
 /*!
   \brief Draw the spectrogram
 
diff --git a/libs/qwt/qwt_plot_zoomer.h b/libs/qwt/qwt_plot_zoomer.h
index eb27059..9904c53 100644
--- a/libs/qwt/qwt_plot_zoomer.h
+++ b/libs/qwt/qwt_plot_zoomer.h
@@ -85,8 +85,19 @@ public:
 
 public slots:
     void moveBy(double x, double y);
+
+// These pragmas are local modifications to this third party library to silence warnings
+#ifndef Q_OS_WIN
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Woverloaded-virtual"
+#endif
+    
     virtual void move(double x, double y);
 
+#ifndef Q_OS_WIN
+#pragma GCC diagnostic pop
+#endif
+
     virtual void zoom(const QwtDoubleRect &);
     virtual void zoom(int up);