diff --git a/src/corelib/tools/qhash.cpp b/src/corelib/tools/qhash.cpp
index 9270539f4f..334bd52f1e 100644
--- a/src/corelib/tools/qhash.cpp
+++ b/src/corelib/tools/qhash.cpp
@@ -325,7 +325,7 @@ static uint qt_create_qhash_seed()
 /*
     The QHash seed itself.
 */
-Q_CORE_EXPORT QBasicAtomicInt qt_qhash_seed = Q_BASIC_ATOMIC_INITIALIZER(-1);
+static QBasicAtomicInt qt_qhash_seed = Q_BASIC_ATOMIC_INITIALIZER(-1);
 
 /*!
     \internal