diff --git a/src/libs/utils/filepath.h b/src/libs/utils/filepath.h
index 0b56b822707..cf323934078 100644
--- a/src/libs/utils/filepath.h
+++ b/src/libs/utils/filepath.h
@@ -131,6 +131,7 @@ public:
     bool operator>(const FilePath &other) const;
     bool operator>=(const FilePath &other) const;
     FilePath operator+(const QString &s) const;
+    FilePath operator/(const QString &str) const;
 
     bool isChildOf(const FilePath &s) const;
     bool isChildOf(const QDir &dir) const;
@@ -163,8 +164,6 @@ public:
     FilePath resolveSymlinks() const;
     FilePath withExecutableSuffix() const;
 
-    FilePath operator/(const QString &str) const;
-
     void clear();
     bool isEmpty() const;
 
diff --git a/src/plugins/coreplugin/fileutils.cpp b/src/plugins/coreplugin/fileutils.cpp
index 95ea1313d19..750bccbb448 100644
--- a/src/plugins/coreplugin/fileutils.cpp
+++ b/src/plugins/coreplugin/fileutils.cpp
@@ -37,6 +37,7 @@
 #include <utils/commandline.h>
 #include <utils/textfileformat.h>
 #include <utils/unixutils.h>
+#include <utils/qtcprocess.h>
 
 #include <QApplication>
 #include <QDir>
@@ -88,17 +89,20 @@ void FileUtils::showInGraphicalShell(QWidget *parent, const FilePath &pathIn)
         if (!pathIn.isDir())
             param += QLatin1String("/select,");
         param += QDir::toNativeSeparators(fileInfo.canonicalFilePath());
-        QProcess::startDetached(explorer.toString(), param);
+        QtcProcess::startDetached({explorer, param});
     } else if (HostOsInfo::isMacHost()) {
         QStringList scriptArgs;
         scriptArgs << QLatin1String("-e")
                    << QString::fromLatin1("tell application \"Finder\" to reveal POSIX file \"%1\"")
                                          .arg(fileInfo.canonicalFilePath());
-        QProcess::execute(QLatin1String("/usr/bin/osascript"), scriptArgs);
+        QtcProcess osascriptProcess;
+        osascriptProcess.setCommand({"/usr/bin/osascript", scriptArgs});
+        osascriptProcess.runBlocking();
         scriptArgs.clear();
         scriptArgs << QLatin1String("-e")
                    << QLatin1String("tell application \"Finder\" to activate");
-        QProcess::execute(QLatin1String("/usr/bin/osascript"), scriptArgs);
+        osascriptProcess.setCommand({"/usr/bin/osascript", scriptArgs});
+        osascriptProcess.runBlocking();
     } else {
         // we cannot select a file here, because no file browser really supports it...
         const QString folder = fileInfo.isDir() ? fileInfo.absoluteFilePath() : fileInfo.filePath();
diff --git a/src/plugins/updateinfo/updateinfoplugin.cpp b/src/plugins/updateinfo/updateinfoplugin.cpp
index c6872dcda8b..4137848c582 100644
--- a/src/plugins/updateinfo/updateinfoplugin.cpp
+++ b/src/plugins/updateinfo/updateinfoplugin.cpp
@@ -383,7 +383,7 @@ QDate UpdateInfoPlugin::nextCheckDate(CheckUpdateInterval interval) const
 
 void UpdateInfoPlugin::startUpdater()
 {
-    QProcess::startDetached(d->m_maintenanceTool, QStringList(QLatin1String("--updater")));
+    Utils::QtcProcess::startDetached({Utils::FilePath::fromString(d->m_maintenanceTool), {"--updater"}});
 }
 
 } //namespace Internal