3 files changed, 8 insertions, 3 deletions
diff --git a/src/corelib/codecs/qwindowscodec.cpp b/src/corelib/codecs/qwindowscodec.cpp
index cf427c64b6..0f8c5e1a4e 100644
--- a/src/corelib/codecs/qwindowscodec.cpp
+++ b/src/corelib/codecs/qwindowscodec.cpp
@@ -172,7 +172,7 @@ QString QWindowsLocalCodec::convertToUnicodeCharByChar(const char *chars, int le
     }
 #else
     QString s;
-    int size = mbstowcs(NULL, mb, length);
+    size_t size = mbstowcs(NULL, mb, length);
     if (size < 0) {
         Q_ASSERT("Error in CE TextCodec");
         return QString();
diff --git a/src/corelib/io/qlockfile_win.cpp b/src/corelib/io/qlockfile_win.cpp
index 27a63e126a..4e0d8134ec 100644
--- a/src/corelib/io/qlockfile_win.cpp
+++ b/src/corelib/io/qlockfile_win.cpp
@@ -142,7 +142,11 @@ bool QLockFilePrivate::isApparentlyStale() const
                 return true;
         }
     }
-#endif // !Q_OS_WINRT
+#else // !Q_OS_WINRT
+    Q_UNUSED(pid);
+    Q_UNUSED(hostname);
+    Q_UNUSED(appname);
+#endif // Q_OS_WINRT
     const qint64 age = QFileInfo(fileName).lastModified().msecsTo(QDateTime::currentDateTime());
     return staleLockTime > 0 && age > staleLockTime;
 }
diff --git a/src/corelib/kernel/qeventdispatcher_winrt.cpp b/src/corelib/kernel/qeventdispatcher_winrt.cpp
index cc8e961be1..b5cfccd649 100644
--- a/src/corelib/kernel/qeventdispatcher_winrt.cpp
+++ b/src/corelib/kernel/qeventdispatcher_winrt.cpp
@@ -484,7 +484,8 @@ bool QEventDispatcherWinRT::event(QEvent *e)
 QEventDispatcherWinRTPrivate::QEventDispatcherWinRTPrivate()
 {
     CoInitializeEx(NULL, COINIT_APARTMENTTHREADED);
-    HRESULT hr = GetActivationFactory(HString::MakeReference(RuntimeClass_Windows_System_Threading_ThreadPoolTimer).Get(), &timerFactory);
+    HRESULT hr;
+    hr = GetActivationFactory(HString::MakeReference(RuntimeClass_Windows_System_Threading_ThreadPoolTimer).Get(), &timerFactory);
     Q_ASSERT_SUCCEEDED(hr);
     HANDLE interruptHandle = CreateEventEx(NULL, NULL, NULL, SYNCHRONIZE|EVENT_MODIFY_STATE);
     timerIdToHandle.insert(INTERRUPT_HANDLE, interruptHandle);