3 files changed, 6 insertions, 0 deletions
diff --git a/src/serialbus/qcanmessagedescription.h b/src/serialbus/qcanmessagedescription.h
index 7e7fb19..36b8993 100644
--- a/src/serialbus/qcanmessagedescription.h
+++ b/src/serialbus/qcanmessagedescription.h
@@ -68,6 +68,8 @@ private:
 
     static bool equals(const QCanMessageDescription &lhs, const QCanMessageDescription &rhs);
 
+    friend void qHash(const QCanMessageDescription &desc, size_t seed) noexcept = delete;
+
 #ifndef QT_NO_DEBUG_STREAM
     friend QDebug operator<<(QDebug dbg, const QCanMessageDescription &msg)
     {
diff --git a/src/serialbus/qcansignaldescription.h b/src/serialbus/qcansignaldescription.h
index cbd2d9c..f31364c 100644
--- a/src/serialbus/qcansignaldescription.h
+++ b/src/serialbus/qcansignaldescription.h
@@ -122,6 +122,8 @@ private:
 
     static bool equals(const QCanSignalDescription &lhs, const QCanSignalDescription &rhs);
 
+    friend void qHash(const QCanSignalDescription &desc, size_t seed) noexcept = delete;
+
 #ifndef QT_NO_DEBUG_STREAM
     friend QDebug operator<<(QDebug dbg, const QCanSignalDescription &sig)
     {
diff --git a/src/serialbus/qcanuniqueiddescription.h b/src/serialbus/qcanuniqueiddescription.h
index 717b7ac..7b2fa44 100644
--- a/src/serialbus/qcanuniqueiddescription.h
+++ b/src/serialbus/qcanuniqueiddescription.h
@@ -55,6 +55,8 @@ private:
     friend class QCanUniqueIdDescriptionPrivate;
 
     static bool equals(const QCanUniqueIdDescription &lhs, const QCanUniqueIdDescription &rhs);
+
+    friend void qHash(const QCanUniqueIdDescription &desc, size_t seed) noexcept = delete;
 };
 
 QT_END_NAMESPACE