4 files changed, 8 insertions, 0 deletions
diff --git a/src/corelib/kernel/qeventloop.cpp b/src/corelib/kernel/qeventloop.cpp
index e314a17ff80..2d401e7a425 100644
--- a/src/corelib/kernel/qeventloop.cpp
+++ b/src/corelib/kernel/qeventloop.cpp
@@ -14,6 +14,9 @@
 
 QT_BEGIN_NAMESPACE
 
+QEventLoopPrivate::~QEventLoopPrivate()
+    = default;
+
 /*!
     \class QEventLoop
     \inmodule QtCore
diff --git a/src/corelib/kernel/qeventloop_p.h b/src/corelib/kernel/qeventloop_p.h
index 1fcb7a8b811..cb00fba41fc 100644
--- a/src/corelib/kernel/qeventloop_p.h
+++ b/src/corelib/kernel/qeventloop_p.h
@@ -30,6 +30,7 @@ public:
         returnCode.storeRelaxed(-1);
         exit.storeRelaxed(true);
     }
+    ~QEventLoopPrivate() override;
 
     QAtomicInt quitLockRef;
 
diff --git a/src/corelib/kernel/qtimer.cpp b/src/corelib/kernel/qtimer.cpp
index 05501c282ba..e3b4b0ec36d 100644
--- a/src/corelib/kernel/qtimer.cpp
+++ b/src/corelib/kernel/qtimer.cpp
@@ -19,6 +19,9 @@ using namespace std::chrono_literals;
 
 QT_BEGIN_NAMESPACE
 
+QTimerPrivate::~QTimerPrivate()
+    = default;
+
 /*!
     \class QTimer
     \inmodule QtCore
diff --git a/src/corelib/kernel/qtimer_p.h b/src/corelib/kernel/qtimer_p.h
index 9347f6c241c..91d6234665f 100644
--- a/src/corelib/kernel/qtimer_p.h
+++ b/src/corelib/kernel/qtimer_p.h
@@ -35,6 +35,7 @@ public:
     {
         intervalDuration.notify();
     }
+    ~QTimerPrivate() override;
 
     static constexpr int INV_TIMER = -1; // invalid timer id