diff --git a/tools/lammps-gui/imageviewer.cpp b/tools/lammps-gui/imageviewer.cpp
index 67f6dd0e48..ff96967498 100644
--- a/tools/lammps-gui/imageviewer.cpp
+++ b/tools/lammps-gui/imageviewer.cpp
@@ -133,7 +133,7 @@ static int get_pte_from_mass(double mass)
 
 static const QString blank(" ");
 
-ImageViewer::ImageViewer(const QString &fileName, LammpsWrapper *_lammps, QString title, QWidget *parent) :
+ImageViewer::ImageViewer(const QString &fileName, LammpsWrapper *_lammps, QWidget *parent) :
     QDialog(parent), menuBar(new QMenuBar), imageLabel(new QLabel), scrollArea(new QScrollArea),
     saveAsAct(nullptr), copyAct(nullptr), cmdAct(nullptr), zoomInAct(nullptr), zoomOutAct(nullptr),
     normalSizeAct(nullptr), lammps(_lammps), group("all"), filename(fileName), useelements(false),
diff --git a/tools/lammps-gui/imageviewer.h b/tools/lammps-gui/imageviewer.h
index aa2ade2bd9..8e72cea7bf 100644
--- a/tools/lammps-gui/imageviewer.h
+++ b/tools/lammps-gui/imageviewer.h
@@ -34,8 +34,7 @@ class ImageViewer : public QDialog {
     Q_OBJECT
 
 public:
-    explicit ImageViewer(const QString &fileName, LammpsWrapper *_lammps, QString title = "",
-                         QWidget *parent = nullptr);
+    explicit ImageViewer(const QString &fileName, LammpsWrapper *_lammps, QWidget *parent = nullptr);
 
 private slots:
     void saveAs();
diff --git a/tools/lammps-gui/lammpsgui.cpp b/tools/lammps-gui/lammpsgui.cpp
index d39e569e3a..32b23c9d12 100644
--- a/tools/lammps-gui/lammpsgui.cpp
+++ b/tools/lammps-gui/lammpsgui.cpp
@@ -823,8 +823,7 @@ void LammpsGui::inspect_file(const QString &fileName)
             dataviewer->show();
             ilist->data = dataviewer;
             QFile(infodata).remove();
-            auto *inspect_image = new ImageViewer(
-                fileName, &lammps, QString("LAMMPS-GUI: Image for %1").arg(shortName));
+            auto *inspect_image = new ImageViewer(fileName, &lammps);
             inspect_image->setFont(font());
             inspect_image->show();
             ilist->image = inspect_image;