diff --git a/src/corelib/io/qresource.cpp b/src/corelib/io/qresource.cpp
index 0ce3ce36112..7dfc9b977c4 100644
--- a/src/corelib/io/qresource.cpp
+++ b/src/corelib/io/qresource.cpp
@@ -62,15 +62,6 @@
 
 //#define DEBUG_RESOURCE_MATCH
 
-#if defined(Q_OS_VXWORKS)
-#  if defined(m_data)
-#    undef m_data
-#  endif
-#  if defined(m_len)
-#    undef m_len
-#  endif
-#endif
-
 QT_BEGIN_NAMESPACE
 
 
diff --git a/src/gui/painting/qbrush.h b/src/gui/painting/qbrush.h
index 6a89db6a52b..4d8c97e255e 100644
--- a/src/gui/painting/qbrush.h
+++ b/src/gui/painting/qbrush.h
@@ -52,15 +52,6 @@
 #include <QtGui/qimage.h>
 #include <QtGui/qpixmap.h>
 
-#if defined(Q_OS_VXWORKS)
-#  if defined(m_data)
-#    undef m_data
-#  endif
-#  if defined(m_type)
-#    undef m_type
-#  endif
-#endif
-
 QT_BEGIN_NAMESPACE
 
 
diff --git a/src/gui/painting/qtextureglyphcache_p.h b/src/gui/painting/qtextureglyphcache_p.h
index d0fe7ab8cbf..d93f57ad805 100644
--- a/src/gui/painting/qtextureglyphcache_p.h
+++ b/src/gui/painting/qtextureglyphcache_p.h
@@ -60,10 +60,6 @@
 
 #include <private/qfontengineglyphcache_p.h>
 
-#if defined(Q_OS_VXWORKS) && defined(m_type)
-#  undef m_type
-#endif
-
 #ifndef QT_DEFAULT_TEXTURE_GLYPH_CACHE_WIDTH
 #define QT_DEFAULT_TEXTURE_GLYPH_CACHE_WIDTH 256
 #endif
diff --git a/src/gui/painting/qtransform.h b/src/gui/painting/qtransform.h
index 22fc82bb588..060362f63e0 100644
--- a/src/gui/painting/qtransform.h
+++ b/src/gui/painting/qtransform.h
@@ -50,10 +50,6 @@
 #include <QtCore/qpoint.h>
 #include <QtCore/qrect.h>
 
-#if defined(Q_OS_VXWORKS) && defined(m_type)
-#  undef m_type
-#endif
-
 QT_BEGIN_NAMESPACE