diff --git a/src/corelib/plugin/qlibrary.cpp b/src/corelib/plugin/qlibrary.cpp
index c9ce5c342e6..489cede959a 100644
--- a/src/corelib/plugin/qlibrary.cpp
+++ b/src/corelib/plugin/qlibrary.cpp
@@ -606,7 +606,7 @@ bool QLibraryPrivate::loadPlugin()
  */
 bool QLibrary::isLibrary(const QString &fileName)
 {
-#if defined(Q_OS_WIN32) || defined(Q_OS_WINCE)
+#if defined(Q_OS_WIN)
     return fileName.endsWith(QLatin1String(".dll"), Qt::CaseInsensitive);
 #else
     QString completeSuffix = QFileInfo(fileName).completeSuffix();