diff --git a/src/app/main.cpp b/src/app/main.cpp
index d18502e1f0a..9f540e7279d 100644
--- a/src/app/main.cpp
+++ b/src/app/main.cpp
@@ -327,12 +327,12 @@ static inline QSettings *userSettings()
 static void setHighDpiEnvironmentVariable()
 {
 
-    if (Utils::HostOsInfo().isMacHost())
+    if (Utils::HostOsInfo::isMacHost())
         return;
 
     std::unique_ptr<QSettings> settings(createUserSettings());
 
-    const bool defaultValue = Utils::HostOsInfo().isWindowsHost();
+    const bool defaultValue = Utils::HostOsInfo::isWindowsHost();
     const bool enableHighDpiScaling = settings->value("Core/EnableHighDpiScaling", defaultValue).toBool();
 
     static const char ENV_VAR_QT_DEVICE_PIXEL_RATIO[] = "QT_DEVICE_PIXEL_RATIO";
@@ -540,7 +540,7 @@ int main(int argc, char **argv)
                                               QLatin1String(Core::Constants::IDE_CASED_ID));
     loadFonts();
 
-    if (Utils::HostOsInfo().isWindowsHost()
+    if (Utils::HostOsInfo::isWindowsHost()
             && !qFuzzyCompare(qApp->devicePixelRatio(), 1.0)
             && QApplication::style()->objectName().startsWith(
                 QLatin1String("windows"), Qt::CaseInsensitive)) {
diff --git a/src/plugins/coreplugin/generalsettings.cpp b/src/plugins/coreplugin/generalsettings.cpp
index 35f2cd4d39f..ef807f23006 100644
--- a/src/plugins/coreplugin/generalsettings.cpp
+++ b/src/plugins/coreplugin/generalsettings.cpp
@@ -91,10 +91,10 @@ GeneralSettingsWidget::GeneralSettingsWidget(GeneralSettings *q)
     m_ui.showShortcutsInContextMenus->setVisible(false);
 #endif
 
-    if (Utils::HostOsInfo().isMacHost()) {
+    if (Utils::HostOsInfo::isMacHost()) {
         m_ui.dpiCheckbox->setVisible(false);
     } else {
-        const bool defaultValue = Utils::HostOsInfo().isWindowsHost();
+        const bool defaultValue = Utils::HostOsInfo::isWindowsHost();
         m_ui.dpiCheckbox->setChecked(ICore::settings()->value(settingsKeyDPI, defaultValue).toBool());
         connect(m_ui.dpiCheckbox, &QCheckBox::toggled, this, [](bool checked) {
             ICore::settings()->setValue(settingsKeyDPI, checked);
diff --git a/src/plugins/coreplugin/plugininstallwizard.cpp b/src/plugins/coreplugin/plugininstallwizard.cpp
index 6ca5443b802..09e23eb6e95 100644
--- a/src/plugins/coreplugin/plugininstallwizard.cpp
+++ b/src/plugins/coreplugin/plugininstallwizard.cpp
@@ -68,18 +68,18 @@ struct Data
 
 static QStringList libraryNameFilter()
 {
-    if (HostOsInfo().isWindowsHost())
+    if (HostOsInfo::isWindowsHost())
         return {"*.dll"};
-    if (HostOsInfo().isLinuxHost())
+    if (HostOsInfo::isLinuxHost())
         return {"*.so"};
     return {"*.dylib"};
 }
 
 static bool hasLibSuffix(const FilePath &path)
 {
-    return (HostOsInfo().isWindowsHost() && path.endsWith(".dll"))
-           || (HostOsInfo().isLinuxHost() && path.toFileInfo().completeSuffix().startsWith(".so"))
-           || (HostOsInfo().isMacHost() && path.endsWith(".dylib"));
+    return (HostOsInfo::isWindowsHost() && path.endsWith(".dll"))
+           || (HostOsInfo::isLinuxHost() && path.toFileInfo().completeSuffix().startsWith(".so"))
+           || (HostOsInfo::isMacHost() && path.endsWith(".dylib"));
 }
 
 static FilePath pluginInstallPath(bool installIntoApplication)
diff --git a/src/plugins/mcusupport/mcusupportoptions.cpp b/src/plugins/mcusupport/mcusupportoptions.cpp
index b85847d59c6..b5f9151db8f 100644
--- a/src/plugins/mcusupport/mcusupportoptions.cpp
+++ b/src/plugins/mcusupport/mcusupportoptions.cpp
@@ -615,7 +615,7 @@ static void setKitEnvironment(Kit *k, const McuTarget *mcuTarget,
         processPackage(package);
     processPackage(qtForMCUsSdkPackage);
 
-    const QString path = QLatin1String(HostOsInfo().isWindowsHost() ? "Path" : "PATH");
+    const QString path = QLatin1String(HostOsInfo::isWindowsHost() ? "Path" : "PATH");
     pathAdditions.append("${" + path + "}");
     pathAdditions.append(QDir::toNativeSeparators(Core::ICore::libexecPath() + "/clang/bin"));
     changes.append({path, pathAdditions.join(HostOsInfo::pathListSeparator())});
diff --git a/src/plugins/qmldesigner/components/propertyeditor/propertyeditorview.cpp b/src/plugins/qmldesigner/components/propertyeditor/propertyeditorview.cpp
index 594bbed8d56..8e9e60b170f 100644
--- a/src/plugins/qmldesigner/components/propertyeditor/propertyeditorview.cpp
+++ b/src/plugins/qmldesigner/components/propertyeditor/propertyeditorview.cpp
@@ -81,7 +81,7 @@ PropertyEditorView::PropertyEditorView(QWidget *parent) :
 {
     m_qmlDir = PropertyEditorQmlBackend::propertyEditorResourcesPath();
 
-    if (Utils::HostOsInfo().isMacHost())
+    if (Utils::HostOsInfo::isMacHost())
         m_updateShortcut = new QShortcut(QKeySequence(Qt::ALT + Qt::Key_F3), m_stackedWidget);
     else
         m_updateShortcut = new QShortcut(QKeySequence(Qt::CTRL + Qt::Key_F3), m_stackedWidget);