diff --git a/src/corelib/kernel/qpointer.h b/src/corelib/kernel/qpointer.h
index e84900e3b16..385bc2814b0 100644
--- a/src/corelib/kernel/qpointer.h
+++ b/src/corelib/kernel/qpointer.h
@@ -103,8 +103,6 @@ public:
 };
 template <class T> Q_DECLARE_TYPEINFO_BODY(QPointer<T>, Q_MOVABLE_TYPE);
 
-#if (!defined(Q_CC_SUN) || (__SUNPRO_CC >= 0x580)) // ambiguity between const T * and T *
-
 template <class T>
 inline bool operator==(const T *o, const QPointer<T> &p)
 { return o == p.operator->(); }
@@ -113,18 +111,6 @@ template<class T>
 inline bool operator==(const QPointer<T> &p, const T *o)
 { return p.operator->() == o; }
 
-#else
-
-template<class T>
-inline bool operator==(const void *o, const QPointer<T> &p)
-{ return o == p.operator->(); }
-
-template<class T>
-inline bool operator==(const QPointer<T> &p, const void *o)
-{ return p.operator->() == o; }
-
-#endif
-
 template <class T>
 inline bool operator==(T *o, const QPointer<T> &p)
 { return o == p.operator->(); }
@@ -137,9 +123,6 @@ template<class T>
 inline bool operator==(const QPointer<T> &p1, const QPointer<T> &p2)
 { return p1.operator->() == p2.operator->(); }
 
-
-#if (!defined(Q_CC_SUN) || (__SUNPRO_CC >= 0x580)) // ambiguity between const T * and T *
-
 template <class T>
 inline bool operator!=(const T *o, const QPointer<T> &p)
 { return o != p.operator->(); }
@@ -148,18 +131,6 @@ template<class T>
 inline bool operator!= (const QPointer<T> &p, const T *o)
 { return p.operator->() != o; }
 
-#else
-
-template<class T>
-inline bool operator!= (const void *o, const QPointer<T> &p)
-{ return o != p.operator->(); }
-
-template<class T>
-inline bool operator!= (const QPointer<T> &p, const void *o)
-{ return p.operator->() != o; }
-
-#endif
-
 template <class T>
 inline bool operator!=(T *o, const QPointer<T> &p)
 { return o != p.operator->(); }
@@ -172,17 +143,6 @@ template<class T>
 inline bool operator!= (const QPointer<T> &p1, const QPointer<T> &p2)
 { return p1.operator->() != p2.operator->() ; }
 
-// Make MSVC < 1400 (2005) handle "if (NULL == p)" syntax
-#if defined(Q_CC_MSVC) && (_MSC_VER < 1400)
-template<class T>
-inline bool operator== (int i, const QPointer<T> &p)
-{ Q_ASSERT(i == 0); return !i && p.isNull(); }
-
-template<class T>
-inline bool operator!= (int i, const QPointer<T> &p)
-{ Q_ASSERT(i == 0); return !i && !p.isNull(); }
-#endif
-
 template<typename T>
 QPointer<T>
 qPointerFromVariant(const QVariant &variant)