diff --git a/src/gui/text/coretext/qfontengine_coretext.mm b/src/gui/text/coretext/qfontengine_coretext.mm
index 68de945351f..7f9eb2d78dc 100644
--- a/src/gui/text/coretext/qfontengine_coretext.mm
+++ b/src/gui/text/coretext/qfontengine_coretext.mm
@@ -86,8 +86,6 @@
 
 QT_BEGIN_NAMESPACE
 
-Q_LOGGING_CATEGORY(lcQpaFonts, "qt.qpa.fonts")
-
 static float SYNTHETIC_ITALIC_SKEW = std::tan(14.f * std::acos(0.f) / 90.f);
 
 bool QCoreTextFontEngine::ct_getSfntTable(void *user_data, uint tag, uchar *buffer, uint *length)
diff --git a/src/gui/text/coretext/qfontengine_coretext_p.h b/src/gui/text/coretext/qfontengine_coretext_p.h
index fe8161ee8de..12390726773 100644
--- a/src/gui/text/coretext/qfontengine_coretext_p.h
+++ b/src/gui/text/coretext/qfontengine_coretext_p.h
@@ -64,8 +64,6 @@
 
 QT_BEGIN_NAMESPACE
 
-Q_DECLARE_LOGGING_CATEGORY(lcQpaFonts)
-
 class Q_GUI_EXPORT QCoreTextFontEngine : public QFontEngine
 {
     Q_GADGET
diff --git a/src/gui/text/qplatformfontdatabase.cpp b/src/gui/text/qplatformfontdatabase.cpp
index 0e19f6866f1..be86a38ec8b 100644
--- a/src/gui/text/qplatformfontdatabase.cpp
+++ b/src/gui/text/qplatformfontdatabase.cpp
@@ -53,6 +53,8 @@
 
 QT_BEGIN_NAMESPACE
 
+Q_LOGGING_CATEGORY(lcQpaFonts, "qt.qpa.fonts")
+
 void qt_registerFont(const QString &familyname, const QString &stylename,
                      const QString &foundryname, int weight,
                      QFont::Style style, int stretch, bool antialiased,
diff --git a/src/gui/text/qplatformfontdatabase.h b/src/gui/text/qplatformfontdatabase.h
index 2d25d9a036c..14fa444d3d7 100644
--- a/src/gui/text/qplatformfontdatabase.h
+++ b/src/gui/text/qplatformfontdatabase.h
@@ -50,6 +50,7 @@
 //
 
 #include <QtGui/qtguiglobal.h>
+#include <QtCore/qloggingcategory.h>
 #include <QtCore/QString>
 #include <QtCore/QStringList>
 #include <QtCore/QList>
@@ -63,6 +64,7 @@
 
 QT_BEGIN_NAMESPACE
 
+Q_DECLARE_LOGGING_CATEGORY(lcQpaFonts)
 
 class QWritingSystemsPrivate;
 
diff --git a/src/gui/text/windows/qwindowsfontdatabase.cpp b/src/gui/text/windows/qwindowsfontdatabase.cpp
index e20b53c7c09..dab7fda3fd6 100644
--- a/src/gui/text/windows/qwindowsfontdatabase.cpp
+++ b/src/gui/text/windows/qwindowsfontdatabase.cpp
@@ -67,8 +67,6 @@
 
 QT_BEGIN_NAMESPACE
 
-Q_LOGGING_CATEGORY(lcQpaFonts, "qt.qpa.fonts")
-
 #if QT_CONFIG(directwrite)
 // ### fixme: Consider direct linking of dwrite.dll once Windows Vista pre SP2 is dropped (QTBUG-49711)
 
diff --git a/src/gui/text/windows/qwindowsfontdatabasebase_p.h b/src/gui/text/windows/qwindowsfontdatabasebase_p.h
index 4e0324183da..873912f8ef6 100644
--- a/src/gui/text/windows/qwindowsfontdatabasebase_p.h
+++ b/src/gui/text/windows/qwindowsfontdatabasebase_p.h
@@ -65,8 +65,6 @@
 
 QT_BEGIN_NAMESPACE
 
-Q_DECLARE_LOGGING_CATEGORY(lcQpaFonts);
-
 class QWindowsFontEngineData
 {
     Q_DISABLE_COPY_MOVE(QWindowsFontEngineData)