diff --git a/src/libs/utils/filepath.cpp b/src/libs/utils/filepath.cpp
index 0a0a56d31dd..5138010fb04 100644
--- a/src/libs/utils/filepath.cpp
+++ b/src/libs/utils/filepath.cpp
@@ -1011,12 +1011,6 @@ bool FilePath::isChildOf(const FilePath &s) const
     return m_data.at(s.m_data.size()) == QLatin1Char('/');
 }
 
-/// \overload
-bool FilePath::isChildOf(const QDir &dir) const
-{
-    return isChildOf(FilePath::fromString(dir.absolutePath()));
-}
-
 /// \returns whether FilePath startsWith \a s
 bool FilePath::startsWith(const QString &s) const
 {
diff --git a/src/libs/utils/filepath.h b/src/libs/utils/filepath.h
index 4bee82f44ed..129bdf76c86 100644
--- a/src/libs/utils/filepath.h
+++ b/src/libs/utils/filepath.h
@@ -180,7 +180,6 @@ public:
     [[nodiscard]] QDir toDir() const; // Avoid.
     [[nodiscard]] FilePath absolutePath() const; // Avoid. Use resolvePath(...)[.parent()] with proper base.
     [[nodiscard]] FilePath absoluteFilePath() const; // Avoid. Use resolvePath(...) with proper base.
-    [[nodiscard]] bool isChildOf(const QDir &dir) const; // Avoid. Use isChildOf(FilePath).
 
 private:
     friend class ::tst_fileutils;
diff --git a/src/plugins/resourceeditor/qrceditor/resourcefile.cpp b/src/plugins/resourceeditor/qrceditor/resourcefile.cpp
index 34aed64b882..8b783ec4ef5 100644
--- a/src/plugins/resourceeditor/qrceditor/resourcefile.cpp
+++ b/src/plugins/resourceeditor/qrceditor/resourcefile.cpp
@@ -51,10 +51,6 @@
 using namespace ResourceEditor;
 using namespace ResourceEditor::Internal;
 
-/******************************************************************************
-** File
-*/
-
 File::File(Prefix *prefix, const QString &_name, const QString &_alias)
     : Node(this, prefix)
     , name(_name)
@@ -843,7 +839,7 @@ bool ResourceModel::setData(const QModelIndex &index, const QVariant &value, int
     if (newFileName.isEmpty())
         return false;
 
-    if (!newFileName.isChildOf(baseDir))
+    if (!newFileName.isChildOf(filePath().absolutePath()))
         return false;
 
     return renameFile(file(index), newFileName.toString());