diff --git a/src/plugins/projectexplorer/project.cpp b/src/plugins/projectexplorer/project.cpp
index 908438b8620..bbf35c342a7 100644
--- a/src/plugins/projectexplorer/project.cpp
+++ b/src/plugins/projectexplorer/project.cpp
@@ -49,6 +49,7 @@
 #include <coreplugin/icore.h>
 #include <coreplugin/iversioncontrol.h>
 #include <coreplugin/vcsmanager.h>
+#include <coreplugin/editormanager/documentmodel.h>
 
 #include <projectexplorer/buildmanager.h>
 #include <projectexplorer/kitmanager.h>
@@ -1061,6 +1062,23 @@ QStringList Project::availableQmlPreviewTranslations(QString *errorMessage)
     });
 }
 
+QList<Core::IDocument *> Project::modifiedDocuments() const
+{
+    QList<Core::IDocument *> modifiedProjectDocuments;
+
+    for (Core::IDocument *doc : Core::DocumentModel::openedDocuments()) {
+        if (doc->isModified() && isKnownFile(doc->filePath()))
+            modifiedProjectDocuments.append(doc);
+    }
+
+    return modifiedProjectDocuments;
+}
+
+bool Project::isModified() const
+{
+    return !modifiedDocuments().isEmpty();
+}
+
 #if defined(WITH_TESTS)
 
 } // namespace ProjectExplorer
diff --git a/src/plugins/projectexplorer/project.h b/src/plugins/projectexplorer/project.h
index e91fec8e7cf..317d8bdc194 100644
--- a/src/plugins/projectexplorer/project.h
+++ b/src/plugins/projectexplorer/project.h
@@ -182,6 +182,9 @@ public:
 
     QStringList availableQmlPreviewTranslations(QString *errorMessage);
 
+    QList<Core::IDocument *> modifiedDocuments() const;
+    bool isModified() const;
+
 signals:
     void projectFileIsDirty(const Utils::FilePath &path);