diff --git a/src/corelib/compat/removed_api.cpp b/src/corelib/compat/removed_api.cpp
index 795fa5f5c0..aad7b58b36 100644
--- a/src/corelib/compat/removed_api.cpp
+++ b/src/corelib/compat/removed_api.cpp
@@ -369,6 +369,7 @@ void QXmlStreamReader::addData(const char *data)
 #endif // QT_CONFIG(xmlstreamreader)
 
 // inlined API
+#include "qfloat16.h"
 #include "qstring.h"
 
 #endif // QT_CORE_REMOVED_SINCE(6, 5)
diff --git a/src/corelib/global/qfloat16.cpp b/src/corelib/global/qfloat16.cpp
index b7f1a559b1..38ac763519 100644
--- a/src/corelib/global/qfloat16.cpp
+++ b/src/corelib/global/qfloat16.cpp
@@ -7,7 +7,10 @@
 #include <cmath> // for fpclassify()'s return values
 
 #include <QtCore/qdatastream.h>
+#include <QtCore/qmetatype.h>
+#include <QtCore/qtextstream.h>
 
+QT_DECL_METATYPE_EXTERN(qfloat16, Q_CORE_EXPORT)
 QT_BEGIN_NAMESPACE
 
 QT_IMPL_METATYPE_EXTERN(qfloat16)
diff --git a/src/corelib/global/qfloat16.h b/src/corelib/global/qfloat16.h
index fc0d9e2702..f7e3df63aa 100644
--- a/src/corelib/global/qfloat16.h
+++ b/src/corelib/global/qfloat16.h
@@ -6,7 +6,7 @@
 #define QFLOAT16_H
 
 #include <QtCore/qglobal.h>
-#include <QtCore/qmetatype.h>
+#include <QtCore/qmath.h>
 #include <QtCore/qnamespace.h>
 #include <limits>
 #include <string.h>
@@ -345,8 +345,6 @@ inline auto qHypot(qfloat16 x, qfloat16 y, qfloat16 z)
 
 QT_END_NAMESPACE
 
-QT_DECL_METATYPE_EXTERN(qfloat16, Q_CORE_EXPORT)
-
 namespace std {
 template<>
 class numeric_limits<QT_PREPEND_NAMESPACE(qfloat16)> : public numeric_limits<float>