diff --git a/include/wx/arrstr.h b/include/wx/arrstr.h
index 8b2a6325c9..9e2711acd9 100644
--- a/include/wx/arrstr.h
+++ b/include/wx/arrstr.h
@@ -105,7 +105,7 @@ public:
         for ( size_t n = 0; n < src.size(); n++ )
             Add(src[n]);
     }
-    wxEXPLICIT wxSortedArrayString(wxArrayString::CompareFunction compareFunction)
+    explicit wxSortedArrayString(wxArrayString::CompareFunction compareFunction)
         : wxSortedArrayStringBase(compareFunction)
         { }
 
@@ -151,7 +151,7 @@ public:
     //     wouldn't be needed if the 'explicit' keyword was supported by all
     //     compilers, or if this was protected ctor for wxSortedArrayString,
     //     but we're stuck with it now.
-  wxEXPLICIT wxArrayString(int autoSort) { Init(autoSort != 0); }
+  explicit wxArrayString(int autoSort) { Init(autoSort != 0); }
     // C string array ctor
   wxArrayString(size_t sz, const char** a);
   wxArrayString(size_t sz, const wchar_t** a);
@@ -263,7 +263,7 @@ public:
   public:
     pointer m_ptr;
     reverse_iterator() : m_ptr(NULL) { }
-    wxEXPLICIT reverse_iterator(pointer ptr) : m_ptr(ptr) { }
+    explicit reverse_iterator(pointer ptr) : m_ptr(ptr) { }
     reverse_iterator(const itor& it) : m_ptr(it.m_ptr) { }
     reference operator*() const { return *m_ptr; }
     pointer operator->() const { return m_ptr; }
@@ -289,7 +289,7 @@ public:
   public:
     pointer m_ptr;
     const_reverse_iterator() : m_ptr(NULL) { }
-    wxEXPLICIT const_reverse_iterator(pointer ptr) : m_ptr(ptr) { }
+    explicit const_reverse_iterator(pointer ptr) : m_ptr(ptr) { }
     const_reverse_iterator(const itor& it) : m_ptr(it.m_ptr) { }
     const_reverse_iterator(const reverse_iterator& it) : m_ptr(it.m_ptr) { }
     reference operator*() const { return *m_ptr; }
@@ -389,7 +389,7 @@ public:
   wxSortedArrayString(const wxArrayString& array) : wxArrayString(true)
     { Copy(array); }
 
-  wxEXPLICIT wxSortedArrayString(CompareFunction compareFunction)
+  explicit wxSortedArrayString(CompareFunction compareFunction)
       : wxArrayString(true)
     { m_compareFunction = compareFunction; }
 };
diff --git a/include/wx/dataview.h b/include/wx/dataview.h
index 5039b437c2..d92a21eee9 100644
--- a/include/wx/dataview.h
+++ b/include/wx/dataview.h
@@ -87,7 +87,7 @@ class wxDataViewItem : public wxItemId<void*>
 {
 public:
     wxDataViewItem() : wxItemId<void*>() { }
-    wxEXPLICIT wxDataViewItem(void* pItem) : wxItemId<void*>(pItem) { }
+    explicit wxDataViewItem(void* pItem) : wxItemId<void*>(pItem) { }
 };
 
 WX_DEFINE_ARRAY(wxDataViewItem, wxDataViewItemArray);
diff --git a/include/wx/defs.h b/include/wx/defs.h
index fe5fdb48f7..93db4d7c0e 100644
--- a/include/wx/defs.h
+++ b/include/wx/defs.h
@@ -229,23 +229,8 @@ typedef short int WXTYPE;
 /*  wrap it in this guard, but such cases should still be relatively rare. */
 #define wxUSE_NESTED_CLASSES    1
 
-/*  check for explicit keyword support */
-#ifndef HAVE_EXPLICIT
-    #if defined(__VISUALC__)
-        #define HAVE_EXPLICIT
-    #elif defined(__GNUC__)
-        #define HAVE_EXPLICIT
-    #elif defined(__BORLANDC__) && (__BORLANDC__ >= 0x0520)
-        /*  BC++ 4.52 doesn't support explicit, CBuilder 1 does */
-        #define HAVE_EXPLICIT
-    #endif
-#endif /*  !HAVE_EXPLICIT */
-
-#ifdef HAVE_EXPLICIT
-    #define wxEXPLICIT explicit
-#else /*  !HAVE_EXPLICIT */
-    #define wxEXPLICIT
-#endif /*  HAVE_EXPLICIT/!HAVE_EXPLICIT */
+/* This macro is obsolete, use the 'explicit' keyword in the new code. */
+#define wxEXPLICIT explicit
 
 /* check for override keyword support */
 #ifndef HAVE_OVERRIDE
diff --git a/include/wx/dlist.h b/include/wx/dlist.h
index d25428de29..e44e3e3e46 100644
--- a/include/wx/dlist.h
+++ b/include/wx/dlist.h
@@ -739,7 +739,7 @@ public:
             { return it.m_node == m_node; }
     };
 
-    wxEXPLICIT wxDList(size_type n, const_reference v = value_type())
+    explicit wxDList(size_type n, const_reference v = value_type())
         { assign(n, v); }
     wxDList(const const_iterator& first, const const_iterator& last)
         { assign(first, last); }
diff --git a/include/wx/font.h b/include/wx/font.h
index cbd3cada8f..3e0ee14102 100644
--- a/include/wx/font.h
+++ b/include/wx/font.h
@@ -123,9 +123,9 @@ public:
         { InitPointSize(-1); }
 
     // These ctors specify the font size, either in points or in pixels.
-    wxEXPLICIT wxFontInfo(int pointSize)
+    explicit wxFontInfo(int pointSize)
         { InitPointSize(pointSize); }
-    wxEXPLICIT wxFontInfo(const wxSize& pixelSize) : m_pixelSize(pixelSize)
+    explicit wxFontInfo(const wxSize& pixelSize) : m_pixelSize(pixelSize)
         { Init(); }
 
     // Setters for the various attributes. All of them return the object itself
diff --git a/include/wx/generic/grideditors.h b/include/wx/generic/grideditors.h
index faa1007c65..c1b8206caa 100644
--- a/include/wx/generic/grideditors.h
+++ b/include/wx/generic/grideditors.h
@@ -53,7 +53,7 @@ private:
 class WXDLLIMPEXP_ADV wxGridCellTextEditor : public wxGridCellEditor
 {
 public:
-    wxEXPLICIT wxGridCellTextEditor(size_t maxChars = 0);
+    explicit wxGridCellTextEditor(size_t maxChars = 0);
 
     virtual void Create(wxWindow* parent,
                         wxWindowID id,
diff --git a/include/wx/generic/private/textmeasure.h b/include/wx/generic/private/textmeasure.h
index 2b31d02831..6cd900e945 100644
--- a/include/wx/generic/private/textmeasure.h
+++ b/include/wx/generic/private/textmeasure.h
@@ -17,9 +17,9 @@
 class wxTextMeasure : public wxTextMeasureBase
 {
 public:
-    wxEXPLICIT wxTextMeasure(const wxDC *dc, const wxFont *font = NULL)
+    explicit wxTextMeasure(const wxDC *dc, const wxFont *font = NULL)
         : wxTextMeasureBase(dc, font) {}
-    wxEXPLICIT wxTextMeasure(const wxWindow *win, const wxFont *font = NULL)
+    explicit wxTextMeasure(const wxWindow *win, const wxFont *font = NULL)
         : wxTextMeasureBase(win, font) {}
 
 protected:
diff --git a/include/wx/gtk/bitmap.h b/include/wx/gtk/bitmap.h
index 3b3cf99cff..ea54328dcf 100644
--- a/include/wx/gtk/bitmap.h
+++ b/include/wx/gtk/bitmap.h
@@ -82,7 +82,7 @@ public:
     wxBitmap(const wxImage& image, int depth = wxBITMAP_SCREEN_DEPTH, double scale = 1.0);
 #endif // wxUSE_IMAGE
     wxBitmap(GdkPixbuf* pixbuf, int depth = 0);
-    wxEXPLICIT wxBitmap(const wxCursor& cursor);
+    explicit wxBitmap(const wxCursor& cursor);
     virtual ~wxBitmap();
 
     bool Create(int width, int height, int depth = wxBITMAP_SCREEN_DEPTH) wxOVERRIDE;
diff --git a/include/wx/gtk/glcanvas.h b/include/wx/gtk/glcanvas.h
index f194e60f37..c60c601b8e 100644
--- a/include/wx/gtk/glcanvas.h
+++ b/include/wx/gtk/glcanvas.h
@@ -29,7 +29,7 @@ public:
                const wxString& name = wxGLCanvasName,
                const wxPalette& palette = wxNullPalette);
 
-    wxEXPLICIT // avoid implicitly converting a wxWindow* to wxGLCanvas
+    explicit // avoid implicitly converting a wxWindow* to wxGLCanvas
     wxGLCanvas(wxWindow *parent,
                wxWindowID id = wxID_ANY,
                const int *attribList = NULL,
diff --git a/include/wx/gtk/private/textmeasure.h b/include/wx/gtk/private/textmeasure.h
index d27b096f26..4620df08a0 100644
--- a/include/wx/gtk/private/textmeasure.h
+++ b/include/wx/gtk/private/textmeasure.h
@@ -19,13 +19,13 @@ class WXDLLIMPEXP_FWD_CORE wxWindowDCImpl;
 class wxTextMeasure : public wxTextMeasureBase
 {
 public:
-    wxEXPLICIT wxTextMeasure(const wxDC *dc, const wxFont *font = NULL)
+    explicit wxTextMeasure(const wxDC *dc, const wxFont *font = NULL)
         : wxTextMeasureBase(dc, font)
     {
         Init();
     }
 
-    wxEXPLICIT wxTextMeasure(const wxWindow *win, const wxFont *font = NULL)
+    explicit wxTextMeasure(const wxWindow *win, const wxFont *font = NULL)
         : wxTextMeasureBase(win, font)
     {
         Init();
diff --git a/include/wx/gtk1/glcanvas.h b/include/wx/gtk1/glcanvas.h
index 446344b860..73dcb27b59 100644
--- a/include/wx/gtk1/glcanvas.h
+++ b/include/wx/gtk1/glcanvas.h
@@ -29,7 +29,7 @@ public:
                const wxString& name = wxGLCanvasName,
                const wxPalette& palette = wxNullPalette);
 
-    wxEXPLICIT // avoid implicitly converting a wxWindow* to wxGLCanvas
+    explicit // avoid implicitly converting a wxWindow* to wxGLCanvas
     wxGLCanvas(wxWindow *parent,
                wxWindowID id = wxID_ANY,
                const int *attribList = NULL,
diff --git a/include/wx/hashmap.h b/include/wx/hashmap.h
index 121a1febdc..371407e5a9 100644
--- a/include/wx/hashmap.h
+++ b/include/wx/hashmap.h
@@ -640,8 +640,8 @@ public: \
     typedef VALUE_T mapped_type; \
     _WX_DECLARE_PAIR( iterator, bool, Insert_Result, CLASSEXP ) \
  \
-    wxEXPLICIT CLASSNAME( size_type hint = 100, hasher hf = hasher(),        \
-                          key_equal eq = key_equal() )                       \
+    explicit CLASSNAME( size_type hint = 100, hasher hf = hasher(),          \
+                        key_equal eq = key_equal() )                         \
         : CLASSNAME##_wxImplementation_HashTable( hint, hf, eq,              \
                                    CLASSNAME##_wxImplementation_KeyEx() ) {} \
  \
diff --git a/include/wx/hashset.h b/include/wx/hashset.h
index 8cd1becf9b..38a65ab5f4 100644
--- a/include/wx/hashset.h
+++ b/include/wx/hashset.h
@@ -123,8 +123,8 @@ CLASSEXP CLASSNAME:public CLASSNAME##_wxImplementation_HashTable             \
 public:                                                                      \
     _WX_DECLARE_PAIR( iterator, bool, Insert_Result, CLASSEXP )              \
                                                                              \
-    wxEXPLICIT CLASSNAME( size_type hint = 100, hasher hf = hasher(),        \
-                          key_equal eq = key_equal() )                       \
+    explicit CLASSNAME( size_type hint = 100, hasher hf = hasher(),          \
+                        key_equal eq = key_equal() )                         \
         : CLASSNAME##_wxImplementation_HashTable( hint, hf, eq,              \
                       CLASSNAME##_wxImplementation_KeyEx() ) {}              \
                                                                              \
diff --git a/include/wx/iconloc.h b/include/wx/iconloc.h
index 9baaaa5297..bce75aa83e 100644
--- a/include/wx/iconloc.h
+++ b/include/wx/iconloc.h
@@ -21,7 +21,7 @@ class WXDLLIMPEXP_BASE wxIconLocationBase
 {
 public:
     // ctor takes the name of the file where the icon is
-    wxEXPLICIT wxIconLocationBase(const wxString& filename = wxEmptyString)
+    explicit wxIconLocationBase(const wxString& filename = wxEmptyString)
         : m_filename(filename) { }
 
     // default copy ctor, assignment operator and dtor are ok
@@ -47,7 +47,7 @@ class WXDLLIMPEXP_BASE wxIconLocation : public wxIconLocationBase
 public:
     // ctor takes the name of the file where the icon is and the icons index in
     // the file
-    wxEXPLICIT wxIconLocation(const wxString& file = wxEmptyString, int num = 0);
+    explicit wxIconLocation(const wxString& file = wxEmptyString, int num = 0);
 
     // set/get the icon index
     void SetIndex(int num) { m_index = num; }
@@ -70,7 +70,7 @@ wxIconLocation::wxIconLocation(const wxString& file, int num)
 class WXDLLIMPEXP_BASE wxIconLocation : public wxIconLocationBase
 {
 public:
-    wxEXPLICIT wxIconLocation(const wxString& filename = wxEmptyString)
+    explicit wxIconLocation(const wxString& filename = wxEmptyString)
         : wxIconLocationBase(filename) { }
 };
 
diff --git a/include/wx/list.h b/include/wx/list.h
index 9278a4f148..4644c22c3b 100644
--- a/include/wx/list.h
+++ b/include/wx/list.h
@@ -942,7 +942,7 @@ private:
                 { return it.m_node == m_node; }                             \
         };                                                                  \
                                                                             \
-        wxEXPLICIT name(size_type n, const_reference v = value_type())      \
+        explicit name(size_type n, const_reference v = value_type())        \
             { assign(n, v); }                                               \
         name(const const_iterator& first, const const_iterator& last)       \
             { assign(first, last); }                                        \
diff --git a/include/wx/modalhook.h b/include/wx/modalhook.h
index 55341f9bd9..a60b77e389 100644
--- a/include/wx/modalhook.h
+++ b/include/wx/modalhook.h
@@ -77,7 +77,7 @@ private:
 class wxModalDialogHookExitGuard
 {
 public:
-    wxEXPLICIT wxModalDialogHookExitGuard(wxDialog* dialog)
+    explicit wxModalDialogHookExitGuard(wxDialog* dialog)
         : m_dialog(dialog)
     {
     }
diff --git a/include/wx/msw/bitmap.h b/include/wx/msw/bitmap.h
index 4ebc108894..4fbc62f7dc 100644
--- a/include/wx/msw/bitmap.h
+++ b/include/wx/msw/bitmap.h
@@ -98,7 +98,7 @@ public:
     }
 
     // Convert from wxCursor
-    wxEXPLICIT wxBitmap(const wxCursor& cursor)
+    explicit wxBitmap(const wxCursor& cursor)
     {
         (void)CopyFromCursor(cursor, wxBitmapTransparency_Auto);
     }
diff --git a/include/wx/msw/enhmeta.h b/include/wx/msw/enhmeta.h
index b3ae3bb4c6..b501b2d752 100644
--- a/include/wx/msw/enhmeta.h
+++ b/include/wx/msw/enhmeta.h
@@ -96,7 +96,7 @@ public:
 
     // as above, but takes reference DC as first argument to take resolution,
     // size, font metrics etc. from
-    wxEXPLICIT
+    explicit
     wxEnhMetaFileDC(const wxDC& referenceDC,
                     const wxString& filename = wxEmptyString,
                     int width = 0, int height = 0,
diff --git a/include/wx/msw/glcanvas.h b/include/wx/msw/glcanvas.h
index fdcdd1faa5..0e05c01e35 100644
--- a/include/wx/msw/glcanvas.h
+++ b/include/wx/msw/glcanvas.h
@@ -47,7 +47,7 @@ private:
 class WXDLLIMPEXP_GL wxGLCanvas : public wxGLCanvasBase
 {
 public:
-    wxEXPLICIT // avoid implicitly converting a wxWindow* to wxGLCanvas
+    explicit // avoid implicitly converting a wxWindow* to wxGLCanvas
     wxGLCanvas(wxWindow *parent,
                const wxGLAttributes& dispAttrs,
                wxWindowID id = wxID_ANY,
@@ -57,7 +57,7 @@ public:
                const wxString& name = wxGLCanvasName,
                const wxPalette& palette = wxNullPalette);
 
-    wxEXPLICIT
+    explicit
     wxGLCanvas(wxWindow *parent,
                wxWindowID id = wxID_ANY,
                const int *attribList = NULL,
diff --git a/include/wx/msw/ole/oleutils.h b/include/wx/msw/ole/oleutils.h
index 57a99fb445..befb693189 100644
--- a/include/wx/msw/ole/oleutils.h
+++ b/include/wx/msw/ole/oleutils.h
@@ -285,7 +285,7 @@ private:
 class WXDLLIMPEXP_CORE wxVariantDataSafeArray : public wxVariantData
 {
 public:
-    wxEXPLICIT wxVariantDataSafeArray(SAFEARRAY* value = NULL)
+    explicit wxVariantDataSafeArray(SAFEARRAY* value = NULL)
     {
         m_value = value;
     }
diff --git a/include/wx/msw/private.h b/include/wx/msw/private.h
index 6af753ff27..1abdbaa4e8 100644
--- a/include/wx/msw/private.h
+++ b/include/wx/msw/private.h
@@ -157,7 +157,7 @@ template <wxUIntPtr INVALID_VALUE = (wxUIntPtr)INVALID_HANDLE_VALUE>
 class AutoHANDLE
 {
 public:
-    wxEXPLICIT AutoHANDLE(HANDLE handle = InvalidHandle()) : m_handle(handle) { }
+    explicit AutoHANDLE(HANDLE handle = InvalidHandle()) : m_handle(handle) { }
 
     bool IsOk() const { return m_handle != InvalidHandle(); }
     operator HANDLE() const { return m_handle; }
diff --git a/include/wx/msw/private/comptr.h b/include/wx/msw/private/comptr.h
index 194cf54f90..2b21cfa82e 100644
--- a/include/wx/msw/private/comptr.h
+++ b/include/wx/msw/private/comptr.h
@@ -25,7 +25,7 @@ public:
     {
     }
 
-    wxEXPLICIT wxCOMPtr(T* ptr)
+    explicit wxCOMPtr(T* ptr)
         : m_ptr(ptr)
     {
         if ( m_ptr )
diff --git a/include/wx/msw/private/pipestream.h b/include/wx/msw/private/pipestream.h
index ba6d032bea..23df2b8943 100644
--- a/include/wx/msw/private/pipestream.h
+++ b/include/wx/msw/private/pipestream.h
@@ -13,7 +13,7 @@
 class wxPipeInputStream : public wxInputStream
 {
 public:
-    wxEXPLICIT wxPipeInputStream(HANDLE hInput);
+    explicit wxPipeInputStream(HANDLE hInput);
     virtual ~wxPipeInputStream();
 
     // returns true if the pipe is still opened
@@ -34,7 +34,7 @@ protected:
 class wxPipeOutputStream: public wxOutputStream
 {
 public:
-    wxEXPLICIT wxPipeOutputStream(HANDLE hOutput);
+    explicit wxPipeOutputStream(HANDLE hOutput);
     virtual ~wxPipeOutputStream() { Close(); }
     bool Close();
 
diff --git a/include/wx/msw/private/textmeasure.h b/include/wx/msw/private/textmeasure.h
index ee14751a5b..2c890a9fad 100644
--- a/include/wx/msw/private/textmeasure.h
+++ b/include/wx/msw/private/textmeasure.h
@@ -19,13 +19,13 @@
 class wxTextMeasure : public wxTextMeasureBase
 {
 public:
-    wxEXPLICIT wxTextMeasure(const wxDC *dc, const wxFont *font = NULL)
+    explicit wxTextMeasure(const wxDC *dc, const wxFont *font = NULL)
         : wxTextMeasureBase(dc, font)
     {
         Init();
     }
 
-    wxEXPLICIT wxTextMeasure(const wxWindow *win, const wxFont *font = NULL)
+    explicit wxTextMeasure(const wxWindow *win, const wxFont *font = NULL)
         : wxTextMeasureBase(win, font)
     {
         Init();
diff --git a/include/wx/object.h b/include/wx/object.h
index 6a0140737b..1dd57cd654 100644
--- a/include/wx/object.h
+++ b/include/wx/object.h
@@ -268,7 +268,7 @@ class wxObjectDataPtr
 public:
     typedef T element_type;
 
-    wxEXPLICIT wxObjectDataPtr(T *ptr = NULL) : m_ptr(ptr) {}
+    explicit wxObjectDataPtr(T *ptr = NULL) : m_ptr(ptr) {}
 
     // copy ctor
     wxObjectDataPtr(const wxObjectDataPtr<T> &tocopy)
diff --git a/include/wx/private/addremovectrl.h b/include/wx/private/addremovectrl.h
index adb349f646..19540e8df1 100644
--- a/include/wx/private/addremovectrl.h
+++ b/include/wx/private/addremovectrl.h
@@ -24,9 +24,9 @@ public:
     // class is supposed to create the buttons and layout everything.
     //
     // Takes ownership of the adaptor pointer.
-    wxEXPLICIT wxAddRemoveImplBase(wxAddRemoveAdaptor* adaptor,
-                                   wxAddRemoveCtrl* WXUNUSED(parent),
-                                   wxWindow* ctrlItems)
+    explicit wxAddRemoveImplBase(wxAddRemoveAdaptor* adaptor,
+                                 wxAddRemoveCtrl* WXUNUSED(parent),
+                                 wxWindow* ctrlItems)
         : m_adaptor(adaptor)
     {
         ctrlItems->Bind(wxEVT_CHAR, &wxAddRemoveImplBase::OnChar, this);
@@ -105,9 +105,9 @@ private:
 class wxAddRemoveImplWithButtons : public wxAddRemoveImplBase
 {
 public:
-    wxEXPLICIT wxAddRemoveImplWithButtons(wxAddRemoveAdaptor* adaptor,
-                                          wxAddRemoveCtrl* parent,
-                                          wxWindow* ctrlItems)
+    explicit wxAddRemoveImplWithButtons(wxAddRemoveAdaptor* adaptor,
+                                        wxAddRemoveCtrl* parent,
+                                        wxWindow* ctrlItems)
         : wxAddRemoveImplBase(adaptor, parent, ctrlItems)
     {
         m_btnAdd =
diff --git a/include/wx/private/fdioeventloopsourcehandler.h b/include/wx/private/fdioeventloopsourcehandler.h
index 5ac17de240..fcf67622bf 100644
--- a/include/wx/private/fdioeventloopsourcehandler.h
+++ b/include/wx/private/fdioeventloopsourcehandler.h
@@ -19,7 +19,7 @@
 class wxFDIOEventLoopSourceHandler : public wxFDIOHandler
 {
 public:
-    wxEXPLICIT wxFDIOEventLoopSourceHandler(wxEventLoopSourceHandler* handler)
+    explicit wxFDIOEventLoopSourceHandler(wxEventLoopSourceHandler* handler)
         : m_handler(handler)
     {
     }
diff --git a/include/wx/qt/bitmap.h b/include/wx/qt/bitmap.h
index b804551bf6..aee92f648b 100644
--- a/include/wx/qt/bitmap.h
+++ b/include/wx/qt/bitmap.h
@@ -32,7 +32,7 @@ public:
     
     // Convert from wxIcon / wxCursor
     wxBitmap(const wxIcon& icon) { CopyFromIcon(icon); }
-    wxEXPLICIT wxBitmap(const wxCursor& cursor);
+    explicit wxBitmap(const wxCursor& cursor);
 
     static void InitStandardHandlers();
 
diff --git a/include/wx/qt/glcanvas.h b/include/wx/qt/glcanvas.h
index 73c5b54957..13cce8a2ea 100644
--- a/include/wx/qt/glcanvas.h
+++ b/include/wx/qt/glcanvas.h
@@ -31,7 +31,7 @@ private:
 class WXDLLIMPEXP_GL wxGLCanvas : public wxGLCanvasBase
 {
 public:
-    wxEXPLICIT // avoid implicitly converting a wxWindow* to wxGLCanvas
+    explicit // avoid implicitly converting a wxWindow* to wxGLCanvas
     wxGLCanvas(wxWindow *parent,
                wxWindowID id = wxID_ANY,
                const int *attribList = NULL,
diff --git a/include/wx/scopedarray.h b/include/wx/scopedarray.h
index 2f80911fa2..02455d7385 100644
--- a/include/wx/scopedarray.h
+++ b/include/wx/scopedarray.h
@@ -24,8 +24,8 @@ class wxScopedArray
 public:
     typedef T element_type;
 
-    wxEXPLICIT wxScopedArray(T * array = NULL) : m_array(array) { }
-    wxEXPLICIT wxScopedArray(size_t count) : m_array(new T[count]) { }
+    explicit wxScopedArray(T * array = NULL) : m_array(array) { }
+    explicit wxScopedArray(size_t count) : m_array(new T[count]) { }
 
     ~wxScopedArray() { delete [] m_array; }
 
@@ -77,7 +77,7 @@ private:                            \
     name & operator=(name const &); \
                                     \
 public:                             \
-    wxEXPLICIT name(T * p = NULL) : m_ptr(p) \
+    explicit name(T * p = NULL) : m_ptr(p) \
     {}                              \
                                     \
     ~name();                        \
diff --git a/include/wx/scopedptr.h b/include/wx/scopedptr.h
index ea83299fec..784e99d00e 100644
--- a/include/wx/scopedptr.h
+++ b/include/wx/scopedptr.h
@@ -40,7 +40,7 @@ class wxScopedPtr
 public:
     typedef T element_type;
 
-    wxEXPLICIT wxScopedPtr(T * ptr = NULL) : m_ptr(ptr) { }
+    explicit wxScopedPtr(T * ptr = NULL) : m_ptr(ptr) { }
 
     ~wxScopedPtr() { wxCHECKED_DELETE(m_ptr); }
 
@@ -123,7 +123,7 @@ private:                            \
     name & operator=(name const &); \
                                     \
 public:                             \
-    wxEXPLICIT name(T * ptr = NULL) \
+    explicit name(T * ptr = NULL)   \
     : m_ptr(ptr) { }                \
                                     \
     ~name();                        \
diff --git a/include/wx/scrolwin.h b/include/wx/scrolwin.h
index e8f4ac8386..3c4a870aca 100644
--- a/include/wx/scrolwin.h
+++ b/include/wx/scrolwin.h
@@ -64,7 +64,7 @@ enum wxScrollbarVisibility
 class WXDLLIMPEXP_CORE wxAnyScrollHelperBase
 {
 public:
-    wxEXPLICIT wxAnyScrollHelperBase(wxWindow* win);
+    explicit wxAnyScrollHelperBase(wxWindow* win);
     virtual ~wxAnyScrollHelperBase() {}
 
     // Disable use of keyboard keys for scrolling. By default cursor movement
diff --git a/include/wx/sharedptr.h b/include/wx/sharedptr.h
index a9b6442c09..67618c2b1b 100644
--- a/include/wx/sharedptr.h
+++ b/include/wx/sharedptr.h
@@ -23,7 +23,7 @@ class wxSharedPtr
 public:
     typedef T element_type;
 
-    wxEXPLICIT wxSharedPtr( T* ptr = NULL )
+    explicit wxSharedPtr( T* ptr = NULL )
         : m_ref(NULL)
     {
         if (ptr)
@@ -31,7 +31,7 @@ public:
     }
 
     template<typename Deleter>
-    wxEXPLICIT wxSharedPtr(T* ptr, Deleter d)
+    explicit wxSharedPtr(T* ptr, Deleter d)
         : m_ref(NULL)
     {
         if (ptr)
diff --git a/include/wx/unix/private/pipestream.h b/include/wx/unix/private/pipestream.h
index 313a271741..2fa44e0062 100644
--- a/include/wx/unix/private/pipestream.h
+++ b/include/wx/unix/private/pipestream.h
@@ -15,7 +15,7 @@
 class wxPipeInputStream : public wxFileInputStream
 {
 public:
-    wxEXPLICIT wxPipeInputStream(int fd) : wxFileInputStream(fd) { }
+    explicit wxPipeInputStream(int fd) : wxFileInputStream(fd) { }
 
     // return true if the pipe is still opened
     bool IsOpened() const { return !Eof(); }
diff --git a/include/wx/vector.h b/include/wx/vector.h
index 4eb0f856f4..686dc0a587 100644
--- a/include/wx/vector.h
+++ b/include/wx/vector.h
@@ -145,7 +145,7 @@ public:
     {
     public:
         reverse_iterator() : m_ptr(NULL) { }
-        wxEXPLICIT reverse_iterator(iterator it) : m_ptr(it) { }
+        explicit reverse_iterator(iterator it) : m_ptr(it) { }
         reverse_iterator(const reverse_iterator& it) : m_ptr(it.m_ptr) { }
 
         reference operator*() const { return *m_ptr; }
@@ -189,7 +189,7 @@ public:
     {
     public:
         const_reverse_iterator() : m_ptr(NULL) { }
-        wxEXPLICIT const_reverse_iterator(const_iterator it) : m_ptr(it) { }
+        explicit const_reverse_iterator(const_iterator it) : m_ptr(it) { }
         const_reverse_iterator(const reverse_iterator& it) : m_ptr(it.m_ptr) { }
         const_reverse_iterator(const const_reverse_iterator& it) : m_ptr(it.m_ptr) { }
 
diff --git a/include/wx/window.h b/include/wx/window.h
index c5bac6248f..ca168dd6fd 100644
--- a/include/wx/window.h
+++ b/include/wx/window.h
@@ -581,7 +581,7 @@ public:
     public:
         // Notice that window can be NULL here, for convenience. In this case
         // this class simply doesn't do anything.
-        wxEXPLICIT ChildrenRepositioningGuard(wxWindowBase* win)
+        explicit ChildrenRepositioningGuard(wxWindowBase* win)
             : m_win(win),
               m_callEnd(win && win->BeginRepositioningChildren())
         {
diff --git a/include/wx/windowptr.h b/include/wx/windowptr.h
index bebcf6ad8f..b4ac928068 100644
--- a/include/wx/windowptr.h
+++ b/include/wx/windowptr.h
@@ -35,7 +35,7 @@ class wxWindowPtr : public wxSharedPtr<T>
 public:
     typedef T element_type;
 
-    wxEXPLICIT wxWindowPtr(element_type* win)
+    explicit wxWindowPtr(element_type* win)
         : wxSharedPtr<T>(win, wxPrivate::wxWindowDeleter())
     {
     }
diff --git a/include/wx/x11/glcanvas.h b/include/wx/x11/glcanvas.h
index a02e0ba4b9..d6bfe79da7 100644
--- a/include/wx/x11/glcanvas.h
+++ b/include/wx/x11/glcanvas.h
@@ -26,7 +26,7 @@ public:
                const wxString& name = wxGLCanvasName,
                const wxPalette& palette = wxNullPalette);
 
-    wxEXPLICIT // avoid implicitly converting a wxWindow* to wxGLCanvas
+    explicit // avoid implicitly converting a wxWindow* to wxGLCanvas
     wxGLCanvas(wxWindow *parent,
                wxWindowID id = wxID_ANY,
                const int *attribList = NULL,
diff --git a/interface/wx/defs.h b/interface/wx/defs.h
index 37e226bedc..7d4a954270 100644
--- a/interface/wx/defs.h
+++ b/interface/wx/defs.h
@@ -1699,17 +1699,6 @@ template <typename T> wxDELETEA(T*& array);
 */
 #define wxDEPRECATED_BUT_USED_INTERNALLY_INLINE(func, body)
 
-/**
-    @c wxEXPLICIT is a macro which expands to the C++ @c explicit keyword if
-    the compiler supports it or nothing otherwise. Thus, it can be used even in
-    the code which might have to be compiled with an old compiler without
-    support for this language feature but still take advantage of it when it is
-    available.
-
-    @header{wx/defs.h}
-*/
-#define wxEXPLICIT
-
 /**
     @c wxOVERRIDE expands to the C++11 @c override keyword if it's supported by
     the compiler or nothing otherwise.
diff --git a/interface/wx/sharedptr.h b/interface/wx/sharedptr.h
index 8b7087baed..52900275a4 100644
--- a/interface/wx/sharedptr.h
+++ b/interface/wx/sharedptr.h
@@ -26,7 +26,7 @@ public:
         Creates shared pointer from the raw pointer @a ptr and takes ownership
         of it.
     */
-    wxEXPLICIT wxSharedPtr(T* ptr = NULL);
+    explicit wxSharedPtr(T* ptr = NULL);
 
     /**
         Constructor.
@@ -42,7 +42,7 @@ public:
         @since 3.0
     */
     template<typename Deleter>
-    wxEXPLICIT wxSharedPtr(T* ptr, Deleter d);
+    explicit wxSharedPtr(T* ptr, Deleter d);
 
     /**
         Copy constructor.
diff --git a/samples/dialogs/dialogs.cpp b/samples/dialogs/dialogs.cpp
index 23e7e5c4d9..7ddc6701a5 100644
--- a/samples/dialogs/dialogs.cpp
+++ b/samples/dialogs/dialogs.cpp
@@ -1368,7 +1368,7 @@ void MyFrame::AddRemove(wxCommandEvent& WXUNUSED(event))
     class ListBoxAdaptor : public wxAddRemoveAdaptor
     {
     public:
-        wxEXPLICIT ListBoxAdaptor(wxListBox* lbox)
+        explicit ListBoxAdaptor(wxListBox* lbox)
             : m_lbox(lbox)
         {
         }
diff --git a/src/common/init.cpp b/src/common/init.cpp
index 7e47e6007b..5a3b521d0f 100644
--- a/src/common/init.cpp
+++ b/src/common/init.cpp
@@ -82,7 +82,7 @@ wxDEFINE_SCOPED_PTR(wxAppConsole, wxAppPtrBase)
 class wxAppPtr : public wxAppPtrBase
 {
 public:
-    wxEXPLICIT wxAppPtr(wxAppConsole *ptr = NULL) : wxAppPtrBase(ptr) { }
+    explicit wxAppPtr(wxAppConsole *ptr = NULL) : wxAppPtrBase(ptr) { }
     ~wxAppPtr()
     {
         if ( get() )
diff --git a/src/common/wincmn.cpp b/src/common/wincmn.cpp
index d9f52733c7..67f2933a17 100644
--- a/src/common/wincmn.cpp
+++ b/src/common/wincmn.cpp
@@ -2022,7 +2022,7 @@ namespace
 class ValidationTraverserBase
 {
 public:
-    wxEXPLICIT ValidationTraverserBase(wxWindowBase* win)
+    explicit ValidationTraverserBase(wxWindowBase* win)
         : m_win(static_cast<wxWindow*>(win))
     {
     }
@@ -2084,7 +2084,7 @@ bool wxWindowBase::Validate()
     class ValidateTraverser : public ValidationTraverserBase
     {
     public:
-        wxEXPLICIT ValidateTraverser(wxWindowBase* win)
+        explicit ValidateTraverser(wxWindowBase* win)
             : ValidationTraverserBase(win)
         {
         }
@@ -2112,7 +2112,7 @@ bool wxWindowBase::TransferDataToWindow()
     class DataToWindowTraverser : public ValidationTraverserBase
     {
     public:
-        wxEXPLICIT DataToWindowTraverser(wxWindowBase* win)
+        explicit DataToWindowTraverser(wxWindowBase* win)
             : ValidationTraverserBase(win)
         {
         }
diff --git a/src/gtk/spinctrl.cpp b/src/gtk/spinctrl.cpp
index b33593cf59..5a22d6fbe4 100644
--- a/src/gtk/spinctrl.cpp
+++ b/src/gtk/spinctrl.cpp
@@ -83,7 +83,7 @@ gtk_changed(GtkSpinButton* spinbutton, wxSpinCtrl* win)
 class wxSpinCtrlEventDisabler
 {
 public:
-    wxEXPLICIT wxSpinCtrlEventDisabler(wxSpinCtrlGTKBase* spin)
+    explicit wxSpinCtrlEventDisabler(wxSpinCtrlGTKBase* spin)
         : m_spin(spin)
     {
         m_spin->GtkDisableEvents();
diff --git a/src/ribbon/bar.cpp b/src/ribbon/bar.cpp
index 3592078144..304f92c7c0 100644
--- a/src/ribbon/bar.cpp
+++ b/src/ribbon/bar.cpp
@@ -490,7 +490,7 @@ void wxRibbonBar::SetTabCtrlMargins(int left, int right)
 
 struct PageComparedBySmallWidthAsc
 {
-    wxEXPLICIT PageComparedBySmallWidthAsc(wxRibbonPageTabInfo* page)
+    explicit PageComparedBySmallWidthAsc(wxRibbonPageTabInfo* page)
         : m_page(page)
     {
     }
diff --git a/tests/exec/exec.cpp b/tests/exec/exec.cpp
index d102b43d6d..ca77c08783 100644
--- a/tests/exec/exec.cpp
+++ b/tests/exec/exec.cpp
@@ -302,7 +302,7 @@ void ExecTestCase::TestProcess()
 class TestAsyncProcess : public wxProcess
 {
 public:
-    wxEXPLICIT TestAsyncProcess()
+    explicit TestAsyncProcess()
     {
     }