diff --git a/src/plugins/clangtools/clangtoolspreconfiguredsessiontests.cpp b/src/plugins/clangtools/clangtoolspreconfiguredsessiontests.cpp
index 6c1c0d1386b..ff35479f8d7 100644
--- a/src/plugins/clangtools/clangtoolspreconfiguredsessiontests.cpp
+++ b/src/plugins/clangtools/clangtoolspreconfiguredsessiontests.cpp
@@ -31,6 +31,7 @@
 
 using namespace CppEditor;
 using namespace ProjectExplorer;
+using namespace Utils;
 
 static bool processEventsUntil(const std::function<bool()> condition, int timeOutInMs = 30000)
 {
@@ -51,7 +52,7 @@ static bool processEventsUntil(const std::function<bool()> condition, int timeOu
 class WaitForParsedProjects : public QObject
 {
 public:
-    WaitForParsedProjects(const QStringList &projects)
+    WaitForParsedProjects(const FilePaths &projects)
         : m_projectsToWaitFor(projects)
     {
         connect(SessionManager::instance(),
@@ -61,7 +62,7 @@ public:
 
     void onProjectFinishedParsing(ProjectExplorer::Project *project)
     {
-        m_projectsToWaitFor.removeOne(project->projectFilePath().toString());
+        m_projectsToWaitFor.removeOne(project->projectFilePath());
     }
 
     bool wait()
@@ -70,7 +71,7 @@ public:
     }
 
 private:
-    QStringList m_projectsToWaitFor;
+    FilePaths m_projectsToWaitFor;
 };
 
 namespace ClangTools {
@@ -86,7 +87,7 @@ void PreconfiguredSessionTests::initTestCase()
         QSKIP("Session must not be already active.");
 
     // Load session
-    const QStringList projects = SessionManager::projectsForSessionName(preconfiguredSessionName);
+    const FilePaths projects = SessionManager::projectsForSessionName(preconfiguredSessionName);
     WaitForParsedProjects waitForParsedProjects(projects);
     QVERIFY(SessionManager::loadSession(preconfiguredSessionName));
     QVERIFY(waitForParsedProjects.wait());
diff --git a/src/plugins/projectexplorer/projectwelcomepage.cpp b/src/plugins/projectexplorer/projectwelcomepage.cpp
index 9b07748fc2e..2eff1b585c8 100644
--- a/src/plugins/projectexplorer/projectwelcomepage.cpp
+++ b/src/plugins/projectexplorer/projectwelcomepage.cpp
@@ -322,12 +322,11 @@ public:
         if (expanded) {
             painter->setPen(textColor);
             painter->setFont(sizedFont(12, option.widget));
-            const QStringList projects = SessionManager::projectsForSessionName(sessionName);
+            const FilePaths projects = SessionManager::projectsForSessionName(sessionName);
             int yy = firstBase + SESSION_LINE_HEIGHT - 3;
             QFontMetrics fm(option.widget->font());
-            for (const QString &project : projects) {
+            for (const FilePath &projectPath : projects) {
                 // Project name.
-                FilePath projectPath = FilePath::fromString(project);
                 QString completeBase = projectPath.completeBaseName();
                 painter->setPen(textColor);
                 painter->drawText(x1, yy, fm.elidedText(completeBase, Qt::ElideMiddle, textSpace));
@@ -375,7 +374,7 @@ public:
         int h = SESSION_LINE_HEIGHT;
         QString sessionName = idx.data(Qt::DisplayRole).toString();
         if (m_expandedSessions.contains(sessionName)) {
-            QStringList projects = SessionManager::projectsForSessionName(sessionName);
+            const FilePaths projects = SessionManager::projectsForSessionName(sessionName);
             h += projects.size() * 40 + LINK_HEIGHT - 6;
         }
         return QSize(380, h + ItemGap);
diff --git a/src/plugins/projectexplorer/session.cpp b/src/plugins/projectexplorer/session.cpp
index 1c8f057f701..064f086f85a 100644
--- a/src/plugins/projectexplorer/session.cpp
+++ b/src/plugins/projectexplorer/session.cpp
@@ -1179,17 +1179,18 @@ void SessionManagerPrivate::sessionLoadingProgress()
     QCoreApplication::processEvents(QEventLoop::ExcludeUserInputEvents);
 }
 
-QStringList SessionManager::projectsForSessionName(const QString &session)
+FilePaths SessionManager::projectsForSessionName(const QString &session)
 {
     const FilePath fileName = sessionNameToFileName(session);
     PersistentSettingsReader reader;
     if (fileName.exists()) {
         if (!reader.load(fileName)) {
             qWarning() << "Could not restore session" << fileName.toUserOutput();
-            return QStringList();
+            return {};
         }
     }
-    return reader.restoreValue(QLatin1String("ProjectList")).toStringList();
+    return transform(reader.restoreValue(QLatin1String("ProjectList")).toStringList(),
+                     &FilePath::fromUserInput);
 }
 
 #ifdef WITH_TESTS
diff --git a/src/plugins/projectexplorer/session.h b/src/plugins/projectexplorer/session.h
index d0f7fd91d2b..66df2e672ed 100644
--- a/src/plugins/projectexplorer/session.h
+++ b/src/plugins/projectexplorer/session.h
@@ -99,7 +99,7 @@ public:
     static Project *projectForFile(const Utils::FilePath &fileName);
     static Project *projectWithProjectFilePath(const Utils::FilePath &filePath);
 
-    static QStringList projectsForSessionName(const QString &session);
+    static Utils::FilePaths projectsForSessionName(const QString &session);
 
     static void reportProjectLoadingProgress();
     static bool loadingSession();
diff --git a/src/plugins/projectexplorer/sessionmodel.cpp b/src/plugins/projectexplorer/sessionmodel.cpp
index 771d8a44785..ceb05cb8630 100644
--- a/src/plugins/projectexplorer/sessionmodel.cpp
+++ b/src/plugins/projectexplorer/sessionmodel.cpp
@@ -74,18 +74,14 @@ int SessionModel::rowCount(const QModelIndex &) const
     return m_sortedSessions.count();
 }
 
-QStringList pathsToBaseNames(const QStringList &paths)
+QStringList pathsToBaseNames(const FilePaths &paths)
 {
-    return Utils::transform(paths, [](const QString &path) {
-        return QFileInfo(path).completeBaseName();
-    });
+    return Utils::transform(paths, &FilePath::completeBaseName);
 }
 
-QStringList pathsWithTildeHomePath(const QStringList &paths)
+QStringList pathsWithTildeHomePath(const FilePaths &paths)
 {
-    return Utils::transform(paths, [](const QString &path) {
-        return FilePath::fromString(path).withTildeHomePath();
-    });
+    return Utils::transform(paths, &FilePath::withTildeHomePath);
 }
 
 QVariant SessionModel::data(const QModelIndex &index, int role) const