diff --git a/src/contentmanager.cpp b/src/contentmanager.cpp
index 4d47b56..031f374 100644
--- a/src/contentmanager.cpp
+++ b/src/contentmanager.cpp
@@ -849,3 +849,49 @@ void ContentManager::setSortBy(const QString& sortBy, const bool sortOrderAsc)
     m_sortOrderAsc = sortOrderAsc;
     emit(booksChanged());
 }
+
+void Library::setMonitorDirZims(QString monitorDir, QStringSet zimList)
+{
+    m_knownZimsInDir[monitorDir] = zimList;
+}
+
+void Library::asyncUpdateFromDir(QString dir)
+{
+    (void) QtConcurrent::run([=]() {
+        updateFromDir(dir);
+    });
+}
+
+void Library::updateFromDir(QString monitorDir)
+{
+    QMutexLocker locker(&m_updateFromDirMutex);
+    const QDir dir(monitorDir);
+    const QStringSet oldDirEntries = m_knownZimsInDir[monitorDir];
+    QStringSet newDirEntries;
+    for (const auto &file : dir.entryList({"*.zim"})) {
+        newDirEntries.insert(QDir::toNativeSeparators(monitorDir + "/" + file));
+    }
+    const QStringSet addedZims = newDirEntries - oldDirEntries;
+    const QStringSet removedZims = oldDirEntries - newDirEntries;
+    kiwix::Manager manager(getKiwixLibrary());
+    bool needsRefresh = !removedZims.empty();
+    for (auto bookPath : addedZims) {
+        if ( isBeingDownloadedByUs(bookPath) ) {
+            // qDebug() << "DBG: Library::updateFromDir(): "
+            //          << bookPath
+            //          << " ignored since it is being downloaded by us.";
+        } else {
+            needsRefresh |= manager.addBookFromPath(bookPath.toStdString());
+        }
+    }
+    for (auto bookPath : removedZims) {
+        try {
+            const auto book = mp_library->getBookByPath(bookPath.toStdString());
+            removeBookFromLibraryById(QString::fromStdString(book.getId()));
+        } catch (...) {}
+    }
+    if (needsRefresh) {
+        emit(booksChanged());
+        setMonitorDirZims(monitorDir, newDirEntries);
+    }
+}
diff --git a/src/library.cpp b/src/library.cpp
index 3da01c3..a79bcd7 100644
--- a/src/library.cpp
+++ b/src/library.cpp
@@ -194,11 +194,6 @@ void Library::save()
     mp_library->writeBookmarksToFile(kiwix::appendToDirectory(m_libraryDirectory.toStdString(), "library.bookmarks.xml"));
 }
 
-void Library::setMonitorDirZims(QString monitorDir, QStringSet zimList)
-{
-    m_knownZimsInDir[monitorDir] = zimList;
-}
-
 Library::QStringSet Library::getLibraryZimsFromDir(QString dir) const
 {
     QStringSet zimsInDir;
@@ -214,47 +209,6 @@ Library::QStringSet Library::getLibraryZimsFromDir(QString dir) const
     return zimsInDir;
 }
 
-void Library::updateFromDir(QString monitorDir)
-{
-    QMutexLocker locker(&m_updateFromDirMutex);
-    const QDir dir(monitorDir);
-    const QStringSet oldDirEntries = m_knownZimsInDir[monitorDir];
-    QStringSet newDirEntries;
-    for (const auto &file : dir.entryList({"*.zim"})) {
-        newDirEntries.insert(QDir::toNativeSeparators(monitorDir + "/" + file));
-    }
-    const QStringSet addedZims = newDirEntries - oldDirEntries;
-    const QStringSet removedZims = oldDirEntries - newDirEntries;
-    kiwix::Manager manager(getKiwixLibrary());
-    bool needsRefresh = !removedZims.empty();
-    for (auto bookPath : addedZims) {
-        if ( isBeingDownloadedByUs(bookPath) ) {
-            // qDebug() << "DBG: Library::updateFromDir(): "
-            //          << bookPath
-            //          << " ignored since it is being downloaded by us.";
-        } else {
-            needsRefresh |= manager.addBookFromPath(bookPath.toStdString());
-        }
-    }
-    for (auto bookPath : removedZims) {
-        try {
-            const auto book = mp_library->getBookByPath(bookPath.toStdString());
-            removeBookFromLibraryById(QString::fromStdString(book.getId()));
-        } catch (...) {}
-    }
-    if (needsRefresh) {
-        emit(booksChanged());
-        setMonitorDirZims(monitorDir, newDirEntries);
-    }
-}
-
-void Library::asyncUpdateFromDir(QString dir)
-{
-    (void) QtConcurrent::run([=]() {
-        updateFromDir(dir);
-    });
-}
-
 const kiwix::Book &Library::getBookById(QString id) const
 {
     return mp_library->getBookById(id.toStdString());