diff --git a/tools/lammps-gui/imageviewer.cpp b/tools/lammps-gui/imageviewer.cpp
index 5afb02e5b1..b1e2ecd787 100644
--- a/tools/lammps-gui/imageviewer.cpp
+++ b/tools/lammps-gui/imageviewer.cpp
@@ -207,9 +207,7 @@ ImageViewer::ImageViewer(const QString &fileName, LammpsWrapper *_lammps, QWidge
     resize(image.width() + 20, image.height() + 50);
 
     scrollArea->setVisible(true);
-    fitToWindowAct->setEnabled(true);
     updateActions();
-    if (!fitToWindowAct->isChecked()) imageLabel->adjustSize();
     setLayout(mainLayout);
 }
 
@@ -464,30 +462,6 @@ void ImageViewer::saveAs()
 
 void ImageViewer::copy() {}
 
-void ImageViewer::zoomIn()
-{
-    scaleImage(1.25);
-}
-
-void ImageViewer::zoomOut()
-{
-    scaleImage(0.8);
-}
-
-void ImageViewer::normalSize()
-{
-    imageLabel->adjustSize();
-    scaleFactor = 1.0;
-}
-
-void ImageViewer::fitToWindow()
-{
-    bool fitToWindow = fitToWindowAct->isChecked();
-    scrollArea->setWidgetResizable(fitToWindow);
-    if (!fitToWindow) normalSize();
-    updateActions();
-}
-
 void ImageViewer::saveFile(const QString &fileName)
 {
     if (!fileName.isEmpty()) image.save(fileName);
@@ -509,39 +483,12 @@ void ImageViewer::createActions()
     QAction *exitAct = fileMenu->addAction("&Close", this, &QWidget::close);
     exitAct->setIcon(QIcon(":/window-close.png"));
     exitAct->setShortcut(QKeySequence::fromString("Ctrl+W"));
-
-    QMenu *viewMenu = menuBar->addMenu("&View");
-
-    zoomInAct = viewMenu->addAction("Image Zoom &In (25%)", this, &ImageViewer::zoomIn);
-    zoomInAct->setShortcut(QKeySequence::ZoomIn);
-    zoomInAct->setIcon(QIcon(":/gtk-zoom-in.png"));
-    zoomInAct->setEnabled(false);
-
-    zoomOutAct = viewMenu->addAction("Image Zoom &Out (25%)", this, &ImageViewer::zoomOut);
-    zoomOutAct->setShortcut(QKeySequence::ZoomOut);
-    zoomOutAct->setIcon(QIcon(":/gtk-zoom-out.png"));
-    zoomOutAct->setEnabled(false);
-
-    normalSizeAct = viewMenu->addAction("&Reset Image Size", this, &ImageViewer::normalSize);
-    normalSizeAct->setShortcut(QKeySequence::fromString("Ctrl+0"));
-    normalSizeAct->setIcon(QIcon(":/gtk-zoom-fit.png"));
-    normalSizeAct->setEnabled(false);
-
-    viewMenu->addSeparator();
-
-    fitToWindowAct = viewMenu->addAction("&Fit to Window", this, &ImageViewer::fitToWindow);
-    fitToWindowAct->setEnabled(false);
-    fitToWindowAct->setCheckable(true);
-    fitToWindowAct->setShortcut(QKeySequence::fromString("Ctrl+="));
 }
 
 void ImageViewer::updateActions()
 {
     saveAsAct->setEnabled(!image.isNull());
     copyAct->setEnabled(!image.isNull());
-    zoomInAct->setEnabled(!fitToWindowAct->isChecked());
-    zoomOutAct->setEnabled(!fitToWindowAct->isChecked());
-    normalSizeAct->setEnabled(!fitToWindowAct->isChecked());
 }
 
 void ImageViewer::scaleImage(double factor)
@@ -555,8 +502,6 @@ void ImageViewer::scaleImage(double factor)
 
     adjustScrollBar(scrollArea->horizontalScrollBar(), factor);
     adjustScrollBar(scrollArea->verticalScrollBar(), factor);
-    zoomInAct->setEnabled(scaleFactor < 3.0);
-    zoomOutAct->setEnabled(scaleFactor > 0.333);
 }
 
 void ImageViewer::adjustScrollBar(QScrollBar *scrollBar, double factor)
diff --git a/tools/lammps-gui/imageviewer.h b/tools/lammps-gui/imageviewer.h
index 3dbf3df324..013a90249f 100644
--- a/tools/lammps-gui/imageviewer.h
+++ b/tools/lammps-gui/imageviewer.h
@@ -40,10 +40,6 @@ public:
 private slots:
     void saveAs();
     void copy();
-    void zoomIn();
-    void zoomOut();
-    void normalSize();
-    void fitToWindow();
 
     void edit_size();
     void reset_view();