diff --git a/src/corelib/platform/android/qandroidnativeinterface.cpp b/src/corelib/platform/android/qandroidnativeinterface.cpp
index 8bd79494e2f..5b967f22bf0 100644
--- a/src/corelib/platform/android/qandroidnativeinterface.cpp
+++ b/src/corelib/platform/android/qandroidnativeinterface.cpp
@@ -10,6 +10,7 @@
 #include <QtCore/qfuture.h>
 #include <QtCore/qfuturewatcher.h>
 #include <QtCore/qpromise.h>
+#include <QtCore/qtimer.h>
 #include <QtCore/qthreadpool.h>
 #include <deque>
 #include <memory>
diff --git a/src/plugins/platforms/android/androidcontentfileengine.cpp b/src/plugins/platforms/android/androidcontentfileengine.cpp
index 2be7c45bb25..64868900189 100644
--- a/src/plugins/platforms/android/androidcontentfileengine.cpp
+++ b/src/plugins/platforms/android/androidcontentfileengine.cpp
@@ -11,6 +11,8 @@
 #include <QtCore/qdatetime.h>
 #include <QtCore/qmimedatabase.h>
 
+QT_BEGIN_NAMESPACE
+
 using namespace QNativeInterface;
 using namespace Qt::StringLiterals;
 
@@ -823,4 +825,6 @@ bool DocumentFile::rename(const QString &newName)
     return false;
 }
 
+QT_END_NAMESPACE
+
 // End of DocumentFile
diff --git a/src/plugins/platforms/android/androidcontentfileengine.h b/src/plugins/platforms/android/androidcontentfileengine.h
index 56d9bae8f71..35db7b44b6e 100644
--- a/src/plugins/platforms/android/androidcontentfileengine.h
+++ b/src/plugins/platforms/android/androidcontentfileengine.h
@@ -9,6 +9,8 @@
 #include <QtCore/qjniobject.h>
 #include <QtCore/qlist.h>
 
+QT_BEGIN_NAMESPACE
+
 using DocumentFilePtr = std::shared_ptr<class DocumentFile>;
 
 class AndroidContentFileEngine : public QFSFileEngine
@@ -102,4 +104,6 @@ protected:
     DocumentFilePtr m_parent;
 };
 
+QT_END_NAMESPACE
+
 #endif // ANDROIDCONTENTFILEENGINE_H