diff --git a/src/corelib/io/qfsfileengine.cpp b/src/corelib/io/qfsfileengine.cpp
index 0d73839f8dc..3042eac2f09 100644
--- a/src/corelib/io/qfsfileengine.cpp
+++ b/src/corelib/io/qfsfileengine.cpp
@@ -911,14 +911,7 @@ bool QFSFileEngine::supportsExtension(Extension extension) const
 }
 
 /*! \fn bool QFSFileEngine::caseSensitive() const
-  Returns \c true for Windows, false for Unix.
-*/
-
-/*! \fn bool QFSFileEngine::copy(const QString &copyName)
-
-  For Windows or Apple platforms, copy the file to file \a copyName.
-
-  Not implemented for other Unix platforms.
+  Returns \c false for Windows, true for Unix.
 */
 
 /*! \fn QString QFSFileEngine::currentPath(const QString &fileName)
@@ -950,11 +943,34 @@ bool QFSFileEngine::supportsExtension(Extension extension) const
   \reimp
 */
 
-/*! \fn QString QFSFileEngine::homePath()
+/*!
   Returns the home path of the current user.
 
   \sa rootPath()
 */
+QString QFSFileEngine::homePath()
+{
+    return QFileSystemEngine::homePath();
+}
+
+/*!
+  Returns the root path.
+
+  \sa homePath()
+*/
+QString QFSFileEngine::rootPath()
+{
+    return QFileSystemEngine::rootPath();
+}
+
+/*!
+  Returns the temporary path (i.e., a path in which it is safe
+  to store temporary files).
+*/
+QString QFSFileEngine::tempPath()
+{
+    return QFileSystemEngine::tempPath();
+}
 
 /*! \fn bool QFSFileEngine::isRelativePath() const
   \reimp
@@ -968,9 +984,6 @@ bool QFSFileEngine::supportsExtension(Extension extension) const
   true if successful; otherwise returns \c false.
 */
 
-/*! \fn bool QFSFileEngine::mkdir(const QString &name, bool createParentDirectories) const
-  \reimp
-*/
 
 /*! \fn uint QFSFileEngine::ownerId(QAbstractFileEngine::FileOwner own) const
   In Unix, if stat() is successful, the \c uid is returned if
@@ -984,35 +997,87 @@ bool QFSFileEngine::supportsExtension(Extension extension) const
   \reimp
 */
 
-/*! \fn bool QFSFileEngine::remove()
+/*!
+  For Windows or Apple platforms, copy the file to file \a copyName.
+
+  Not implemented for other Unix platforms.
+*/
+bool QFSFileEngine::copy(const QString &copyName)
+{
+    Q_D(QFSFileEngine);
+    QSystemError error;
+    bool ret = QFileSystemEngine::copyFile(d->fileEntry, QFileSystemEntry(copyName), error);
+    if (!ret)
+        setError(QFile::CopyError, error.toString());
+    return ret;
+}
+
+/*!
   \reimp
 */
+bool QFSFileEngine::remove()
+{
+    Q_D(QFSFileEngine);
+    QSystemError error;
+    bool ret = QFileSystemEngine::removeFile(d->fileEntry, error);
+    d->metaData.clear();
+    if (!ret)
+        setError(QFile::RemoveError, error.toString());
+    return ret;
+}
 
-/*! \fn bool QFSFileEngine::rename(const QString &newName)
+/*!
   \reimp
 */
-
-
-/*! \fn bool QFSFileEngine::renameOverwrite(const QString &newName)
+bool QFSFileEngine::rename(const QString &newName)
+{
+    Q_D(QFSFileEngine);
+    QSystemError error;
+    bool ret = QFileSystemEngine::renameFile(d->fileEntry, QFileSystemEntry(newName), error);
+    if (!ret)
+        setError(QFile::RenameError, error.toString());
+    return ret;
+}
+/*!
   \reimp
 */
+bool QFSFileEngine::renameOverwrite(const QString &newName)
+{
+    Q_D(QFSFileEngine);
+    QSystemError error;
+    bool ret = QFileSystemEngine::renameOverwriteFile(d->fileEntry, QFileSystemEntry(newName), error);
+    if (!ret)
+        setError(QFile::RenameError, error.toString());
+    return ret;
+}
 
-/*! \fn bool QFSFileEngine::rmdir(const QString &name, bool recurseParentDirectories) const
+/*!
   \reimp
 */
+bool QFSFileEngine::mkdir(const QString &name, bool createParentDirectories) const
+{
+    return QFileSystemEngine::createDirectory(QFileSystemEntry(name), createParentDirectories);
+}
 
-/*! \fn QString QFSFileEngine::rootPath()
-  Returns the root path.
-
-  \sa homePath()
+/*!
+  \reimp
 */
+bool QFSFileEngine::rmdir(const QString &name, bool recurseParentDirectories) const
+{
+    return QFileSystemEngine::removeDirectory(QFileSystemEntry(name), recurseParentDirectories);
+}
 
-/*! \fn bool QFSFileEngine::setCurrentPath(const QString &path)
+
+/*!
   Sets the current path (e.g., for QDir), to \a path. Returns \c true if the
   new path exists; otherwise this function does nothing, and returns \c false.
 
   \sa currentPath()
 */
+bool QFSFileEngine::setCurrentPath(const QString &path)
+{
+    return QFileSystemEngine::setCurrentPath(QFileSystemEntry(path));
+}
 
 /*! \fn bool QFSFileEngine::setPermissions(uint perms)
   \reimp
@@ -1022,11 +1087,6 @@ bool QFSFileEngine::supportsExtension(Extension extension) const
   \reimp
 */
 
-/*! \fn QString QFSFileEngine::tempPath()
-  Returns the temporary path (i.e., a path in which it is safe
-  to store temporary files).
-*/
-
 /*! \fn QAbstractFileEngine::FileFlags QFSFileEnginePrivate::getPermissions(QAbstractFileEngine::FileFlags type) const
     \internal
 */
diff --git a/src/corelib/io/qfsfileengine_unix.cpp b/src/corelib/io/qfsfileengine_unix.cpp
index d4983c72af6..4610e9306c9 100644
--- a/src/corelib/io/qfsfileengine_unix.cpp
+++ b/src/corelib/io/qfsfileengine_unix.cpp
@@ -304,54 +304,6 @@ bool QFSFileEnginePrivate::nativeIsSequential() const
     return isSequentialFdFh();
 }
 
-bool QFSFileEngine::remove()
-{
-    Q_D(QFSFileEngine);
-    QSystemError error;
-    bool ret = QFileSystemEngine::removeFile(d->fileEntry, error);
-    d->metaData.clear();
-    if (!ret) {
-        setError(QFile::RemoveError, error.toString());
-    }
-    return ret;
-}
-
-bool QFSFileEngine::copy(const QString &newName)
-{
-    Q_D(QFSFileEngine);
-    QSystemError error;
-    bool ret = QFileSystemEngine::copyFile(d->fileEntry, QFileSystemEntry(newName), error);
-    if (!ret) {
-        setError(QFile::CopyError, error.toString());
-    }
-    return ret;
-}
-
-bool QFSFileEngine::renameOverwrite(const QString &newName)
-{
-    Q_D(QFSFileEngine);
-    QSystemError error;
-    bool ret = QFileSystemEngine::renameOverwriteFile(d->fileEntry, QFileSystemEntry(newName), error);
-
-    if (!ret)
-        setError(QFile::RenameError, error.toString());
-
-    return ret;
-}
-
-bool QFSFileEngine::rename(const QString &newName)
-{
-    Q_D(QFSFileEngine);
-    QSystemError error;
-    bool ret = QFileSystemEngine::renameFile(d->fileEntry, QFileSystemEntry(newName), error);
-
-    if (!ret) {
-        setError(QFile::RenameError, error.toString());
-    }
-
-    return ret;
-}
-
 bool QFSFileEngine::link(const QString &newName)
 {
     Q_D(QFSFileEngine);
@@ -368,45 +320,16 @@ qint64 QFSFileEnginePrivate::nativeSize() const
     return sizeFdFh();
 }
 
-bool QFSFileEngine::mkdir(const QString &name, bool createParentDirectories) const
-{
-    return QFileSystemEngine::createDirectory(QFileSystemEntry(name), createParentDirectories);
-}
-
-bool QFSFileEngine::rmdir(const QString &name, bool recurseParentDirectories) const
-{
-    return QFileSystemEngine::removeDirectory(QFileSystemEntry(name), recurseParentDirectories);
-}
-
 bool QFSFileEngine::caseSensitive() const
 {
     return true;
 }
 
-bool QFSFileEngine::setCurrentPath(const QString &path)
-{
-    return QFileSystemEngine::setCurrentPath(QFileSystemEntry(path));
-}
-
 QString QFSFileEngine::currentPath(const QString &)
 {
     return QFileSystemEngine::currentPath().filePath();
 }
 
-QString QFSFileEngine::homePath()
-{
-    return QFileSystemEngine::homePath();
-}
-
-QString QFSFileEngine::rootPath()
-{
-    return QFileSystemEngine::rootPath();
-}
-
-QString QFSFileEngine::tempPath()
-{
-    return QFileSystemEngine::tempPath();
-}
 
 QFileInfoList QFSFileEngine::drives()
 {
diff --git a/src/corelib/io/qfsfileengine_win.cpp b/src/corelib/io/qfsfileengine_win.cpp
index 19cc3e64026..5b868cc4478 100644
--- a/src/corelib/io/qfsfileengine_win.cpp
+++ b/src/corelib/io/qfsfileengine_win.cpp
@@ -443,66 +443,11 @@ bool QFSFileEnginePrivate::nativeIsSequential() const
 #endif
 }
 
-bool QFSFileEngine::remove()
-{
-    Q_D(QFSFileEngine);
-    QSystemError error;
-    bool ret = QFileSystemEngine::removeFile(d->fileEntry, error);
-    if (!ret)
-        setError(QFile::RemoveError, error.toString());
-    return ret;
-}
-
-bool QFSFileEngine::copy(const QString &copyName)
-{
-    Q_D(QFSFileEngine);
-    QSystemError error;
-    bool ret = QFileSystemEngine::copyFile(d->fileEntry, QFileSystemEntry(copyName), error);
-    if (!ret)
-        setError(QFile::CopyError, error.toString());
-    return ret;
-}
-
-bool QFSFileEngine::rename(const QString &newName)
-{
-    Q_D(QFSFileEngine);
-    QSystemError error;
-    bool ret = QFileSystemEngine::renameFile(d->fileEntry, QFileSystemEntry(newName), error);
-    if (!ret)
-        setError(QFile::RenameError, error.toString());
-    return ret;
-}
-
-bool QFSFileEngine::renameOverwrite(const QString &newName)
-{
-    Q_D(QFSFileEngine);
-    QSystemError error;
-    bool ret = QFileSystemEngine::renameOverwriteFile(d->fileEntry, QFileSystemEntry(newName), error);
-    if (!ret)
-        setError(QFile::RenameError, error.toString());
-    return ret;
-}
-
-bool QFSFileEngine::mkdir(const QString &name, bool createParentDirectories) const
-{
-    return QFileSystemEngine::createDirectory(QFileSystemEntry(name), createParentDirectories);
-}
-
-bool QFSFileEngine::rmdir(const QString &name, bool recurseParentDirectories) const
-{
-    return QFileSystemEngine::removeDirectory(QFileSystemEntry(name), recurseParentDirectories);
-}
-
 bool QFSFileEngine::caseSensitive() const
 {
     return false;
 }
 
-bool QFSFileEngine::setCurrentPath(const QString &path)
-{
-    return QFileSystemEngine::setCurrentPath(QFileSystemEntry(path));
-}
-
 QString QFSFileEngine::currentPath(const QString &fileName)
 {
 #if !defined(Q_OS_WINRT)
@@ -530,21 +475,6 @@ QString QFSFileEngine::currentPath(const QString &fileName)
 #endif // Q_OS_WINRT
 }
 
-QString QFSFileEngine::homePath()
-{
-    return QFileSystemEngine::homePath();
-}
-
-QString QFSFileEngine::rootPath()
-{
-    return QFileSystemEngine::rootPath();
-}
-
-QString QFSFileEngine::tempPath()
-{
-    return QFileSystemEngine::tempPath();
-}
-
 #if !defined(Q_OS_WINRT)
 // cf QStorageInfo::isReady
 static inline bool isDriveReady(const wchar_t *path)