diff --git a/include/wx/dialog.h b/include/wx/dialog.h
index 10a3a0d67d..49454a1ef7 100644
--- a/include/wx/dialog.h
+++ b/include/wx/dialog.h
@@ -67,7 +67,7 @@ extern WXDLLIMPEXP_DATA_CORE(const char) wxDialogNameStr[];
 class WXDLLIMPEXP_CORE wxDialogBase : public wxTopLevelWindow
 {
 public:
-    wxDialogBase() { Init(); }
+    wxDialogBase();
     virtual ~wxDialogBase() { }
 
     // define public wxDialog methods to be implemented by the derived classes
@@ -241,9 +241,6 @@ protected:
     static bool                         sm_layoutAdaptation;
 
 private:
-    // common part of all ctors
-    void Init();
-
     // helper of GetParentForModalDialog(): returns the passed in window if it
     // can be used as our parent or NULL if it can't
     wxWindow *CheckIfCanBeUsedAsParent(wxWindow *parent) const;
diff --git a/src/common/dlgcmn.cpp b/src/common/dlgcmn.cpp
index c1cc7eb7b4..df7ecdff59 100644
--- a/src/common/dlgcmn.cpp
+++ b/src/common/dlgcmn.cpp
@@ -125,7 +125,7 @@ END_EVENT_TABLE()
 wxDialogLayoutAdapter* wxDialogBase::sm_layoutAdapter = NULL;
 bool wxDialogBase::sm_layoutAdaptation = false;
 
-void wxDialogBase::Init()
+wxDialogBase::wxDialogBase()
 {
     m_returnCode = 0;
     m_affirmativeId = wxID_OK;