diff --git a/include/wx/arrstr.h b/include/wx/arrstr.h
index d716bc0e6b..3194a0053f 100644
--- a/include/wx/arrstr.h
+++ b/include/wx/arrstr.h
@@ -62,7 +62,6 @@ public:
                                                   const wxString& second);
 
     wxArrayString() { }
-    wxArrayString(const wxArrayString& a) : wxArrayStringBase(a) { }
     wxArrayString(size_t sz, const char** a);
     wxArrayString(size_t sz, const wchar_t** a);
     wxArrayString(size_t sz, const wxString* a);
@@ -105,9 +104,6 @@ class WXDLLIMPEXP_BASE wxSortedArrayString : public wxSortedArrayStringBase
 public:
     wxSortedArrayString() : wxSortedArrayStringBase(wxStringSortAscending)
         { }
-    wxSortedArrayString(const wxSortedArrayString& array)
-        : wxSortedArrayStringBase(array)
-        { }
     wxSortedArrayString(const wxArrayString& src)
         : wxSortedArrayStringBase(wxStringSortAscending)
     {
diff --git a/include/wx/dvrenderers.h b/include/wx/dvrenderers.h
index d93cdd6874..aa50dc61d7 100644
--- a/include/wx/dvrenderers.h
+++ b/include/wx/dvrenderers.h
@@ -42,12 +42,6 @@ public:
           m_icon(icon)
     { }
 
-    wxDataViewIconText( const wxDataViewIconText &other )
-        : wxObject(),
-          m_text(other.m_text),
-          m_icon(other.m_icon)
-    { }
-
     void SetText( const wxString &text ) { m_text = text; }
     wxString GetText() const             { return m_text; }
     void SetIcon( const wxIcon &icon )   { m_icon = icon; }
diff --git a/include/wx/dynarray.h b/include/wx/dynarray.h
index a8684e7999..c5cb138e64 100644
--- a/include/wx/dynarray.h
+++ b/include/wx/dynarray.h
@@ -235,13 +235,6 @@ public:
 
     explicit wxBaseSortedArray(SCMPFUNC fn) : m_fnCompare(fn) { }
 
-    wxBaseSortedArray& operator=(const wxBaseSortedArray& src)
-    {
-        wxBaseArray<T, Sorter>::operator=(src);
-        m_fnCompare = src.m_fnCompare;
-        return *this;
-    }
-
     size_t IndexForInsert(T item) const
     {
         return this->wxBaseArray<T, Sorter>::IndexForInsert(item, m_fnCompare);
@@ -656,9 +649,6 @@ private:
         wxBaseObjectArrayFor##name;                                           \
     classdecl name : public wxBaseObjectArrayFor##name                        \
     {                                                                         \
-    public:                                                                   \
-        name() : wxBaseObjectArrayFor##name() { }                             \
-        name(const name& src) : wxBaseObjectArrayFor##name(src) { }           \
     }
 
 #define WX_DECLARE_USER_EXPORTED_OBJARRAY(T, name, expmode) \
diff --git a/include/wx/generic/grid.h b/include/wx/generic/grid.h
index 2bc396d140..92f282994f 100644
--- a/include/wx/generic/grid.h
+++ b/include/wx/generic/grid.h
@@ -635,16 +635,6 @@ public:
     void SetCol( int n ) { m_col = n; }
     void Set( int row, int col ) { m_row = row; m_col = col; }
 
-    wxGridCellCoords& operator=( const wxGridCellCoords& other )
-    {
-        if ( &other != this )
-        {
-            m_row=other.m_row;
-            m_col=other.m_col;
-        }
-        return *this;
-    }
-
     bool operator==( const wxGridCellCoords& other ) const
     {
         return (m_row == other.m_row  &&  m_col == other.m_col);
diff --git a/include/wx/geometry.h b/include/wx/geometry.h
index a3b3f1b8c7..6bf80a9123 100644
--- a/include/wx/geometry.h
+++ b/include/wx/geometry.h
@@ -629,7 +629,6 @@ public:
         { m_x *= ((wxDouble)num)/((wxDouble)denum); m_y *= ((wxDouble)num)/((wxDouble)denum);
                 m_width *= ((wxDouble)num)/((wxDouble)denum); m_height *= ((wxDouble)num)/((wxDouble)denum);}
 
-    wxRect2DDouble& operator = (const wxRect2DDouble& rect);
     inline bool operator == (const wxRect2DDouble& rect) const
         { return wxIsSameDouble(m_x, rect.m_x) && wxIsSameDouble(m_y, rect.m_y) && HaveEqualSize(rect); }
     inline bool operator != (const wxRect2DDouble& rect) const
diff --git a/include/wx/gtk/dataform.h b/include/wx/gtk/dataform.h
index b7c3be71f3..5df97d8b85 100644
--- a/include/wx/gtk/dataform.h
+++ b/include/wx/gtk/dataform.h
@@ -28,15 +28,6 @@ public:
     wxDataFormat( const wchar_t *id ) { InitFromString(id); }
     wxDataFormat( const wxCStrData& id ) { InitFromString(id); }
 
-    wxDataFormat& operator=(const wxDataFormat& format)
-    {
-        if (&format != this)
-        {
-            m_type = format.m_type;
-            m_format = format.m_format;
-        }
-        return *this;
-    }
     wxDataFormat& operator=(NativeFormat format)
         { SetId(format); return *this; }
 
diff --git a/include/wx/hashmap.h b/include/wx/hashmap.h
index 6289331e32..df9092a382 100644
--- a/include/wx/hashmap.h
+++ b/include/wx/hashmap.h
@@ -450,11 +450,6 @@ CLASSEXP CLASSNAME \
 public: \
     CLASSNAME() { } \
     const_key_reference operator()( const_pair_reference pair ) const { return pair.first; }\
-    \
-    /* the dummy assignment operator is needed to suppress compiler */ \
-    /* warnings from hash table class' operator=(): gcc complains about */ \
-    /* "statement with no effect" without it */ \
-    CLASSNAME& operator=(const CLASSNAME&) { return *this; } \
 };
 
 // grow/shrink predicates
@@ -471,10 +466,6 @@ inline bool grow_lf70( size_t buckets, size_t items )
 // hashing and comparison functors
 // ----------------------------------------------------------------------------
 
-// NB: implementation detail: all of these classes must have dummy assignment
-//     operators to suppress warnings about "statement with no effect" from gcc
-//     in the hash table class assignment operator (where they're assigned)
-
 #ifndef wxNEEDS_WX_HASH_MAP
 
 // integer types
@@ -536,8 +527,6 @@ struct WXDLLIMPEXP_BASE wxIntegerHash
     wxULongLong_t operator()( wxLongLong_t x ) const { return static_cast<wxULongLong_t>(x); }
     wxULongLong_t operator()( wxULongLong_t x ) const { return x; }
 #endif // wxHAS_LONG_LONG_T_DIFFERENT_FROM_LONG
-
-    wxIntegerHash& operator=(const wxIntegerHash&) { return *this; }
 };
 
 #endif // !wxNEEDS_WX_HASH_MAP/wxNEEDS_WX_HASH_MAP
@@ -555,8 +544,6 @@ struct WXDLLIMPEXP_BASE wxIntegerEqual
     bool operator()( wxLongLong_t a, wxLongLong_t b ) const { return a == b; }
     bool operator()( wxULongLong_t a, wxULongLong_t b ) const { return a == b; }
 #endif // wxHAS_LONG_LONG_T_DIFFERENT_FROM_LONG
-
-    wxIntegerEqual& operator=(const wxIntegerEqual&) { return *this; }
 };
 
 // pointers
@@ -569,16 +556,12 @@ struct WXDLLIMPEXP_BASE wxPointerHash
 #else
     size_t operator()( const void* k ) const { return (size_t)k; }
 #endif
-
-    wxPointerHash& operator=(const wxPointerHash&) { return *this; }
 };
 
 struct WXDLLIMPEXP_BASE wxPointerEqual
 {
     wxPointerEqual() { }
     bool operator()( const void* a, const void* b ) const { return a == b; }
-
-    wxPointerEqual& operator=(const wxPointerEqual&) { return *this; }
 };
 
 // wxString, char*, wchar_t*
@@ -603,8 +586,6 @@ struct WXDLLIMPEXP_BASE wxStringHash
 
     static unsigned long stringHash( const wchar_t* );
     static unsigned long stringHash( const char* );
-
-    wxStringHash& operator=(const wxStringHash&) { return *this; }
 };
 
 struct WXDLLIMPEXP_BASE wxStringEqual
@@ -618,8 +599,6 @@ struct WXDLLIMPEXP_BASE wxStringEqual
     bool operator()( const char* a, const char* b ) const
         { return strcmp( a, b ) == 0; }
 #endif // wxUSE_UNICODE
-
-    wxStringEqual& operator=(const wxStringEqual&) { return *this; }
 };
 
 #ifdef wxNEEDS_WX_HASH_MAP
diff --git a/include/wx/hashset.h b/include/wx/hashset.h
index 82e0d252f5..bb713b87f4 100644
--- a/include/wx/hashset.h
+++ b/include/wx/hashset.h
@@ -106,11 +106,6 @@ public:                                                                      \
     CLASSNAME() { }                                                          \
     const_key_reference operator()( const_key_reference key ) const          \
         { return key; }                                                      \
-                                                                             \
-    /* the dummy assignment operator is needed to suppress compiler */       \
-    /* warnings from hash table class' operator=(): gcc complains about */   \
-    /* "statement with no effect" without it */                              \
-    CLASSNAME& operator=(const CLASSNAME&) { return *this; }                 \
 };
 
 #define _WX_DECLARE_HASH_SET( KEY_T, HASH_T, KEY_EQ_T, PTROP, CLASSNAME, CLASSEXP )\
diff --git a/include/wx/richtext/richtextbuffer.h b/include/wx/richtext/richtextbuffer.h
index ce15e67aea..13e1dfb867 100644
--- a/include/wx/richtext/richtextbuffer.h
+++ b/include/wx/richtext/richtextbuffer.h
@@ -1312,11 +1312,6 @@ public:
     */
     wxTextBoxAttr() { Init(); }
 
-    /**
-        Copy constructor.
-    */
-    wxTextBoxAttr(const wxTextBoxAttr& attr) { Init(); (*this) = attr; }
-
     /**
         Initialises this object.
     */
diff --git a/include/wx/richtext/richtextstyles.h b/include/wx/richtext/richtextstyles.h
index c8daef3cbc..44cd9a2ca4 100644
--- a/include/wx/richtext/richtextstyles.h
+++ b/include/wx/richtext/richtextstyles.h
@@ -132,9 +132,6 @@ class WXDLLIMPEXP_RICHTEXT wxRichTextCharacterStyleDefinition: public wxRichText
     wxDECLARE_DYNAMIC_CLASS(wxRichTextCharacterStyleDefinition);
 public:
 
-    /// Copy constructor
-    wxRichTextCharacterStyleDefinition(const wxRichTextCharacterStyleDefinition& def): wxRichTextStyleDefinition(def) {}
-
     /// Default constructor
     wxRichTextCharacterStyleDefinition(const wxString& name = wxEmptyString):
         wxRichTextStyleDefinition(name) {}
diff --git a/include/wx/sckaddr.h b/include/wx/sckaddr.h
index 45fde87625..c0bcc5889a 100644
--- a/include/wx/sckaddr.h
+++ b/include/wx/sckaddr.h
@@ -71,13 +71,6 @@ private:
 class WXDLLIMPEXP_NET wxIPaddress : public wxSockAddress
 {
 public:
-    wxIPaddress() : wxSockAddress() { }
-    wxIPaddress(const wxIPaddress& other)
-        : wxSockAddress(other),
-          m_origHostname(other.m_origHostname)
-    {
-    }
-
     bool operator==(const wxIPaddress& addr) const;
 
     bool Hostname(const wxString& name);
@@ -120,9 +113,6 @@ private:
 class WXDLLIMPEXP_NET wxIPV4address : public wxIPaddress
 {
 public:
-    wxIPV4address() : wxIPaddress() { }
-    wxIPV4address(const wxIPV4address& other) : wxIPaddress(other) { }
-
     // implement wxSockAddress pure virtuals:
     virtual Family Type() wxOVERRIDE { return IPV4; }
     virtual wxSockAddress *Clone() const wxOVERRIDE { return new wxIPV4address(*this); }
@@ -155,9 +145,6 @@ private:
 class WXDLLIMPEXP_NET wxIPV6address : public wxIPaddress
 {
 public:
-    wxIPV6address() : wxIPaddress() { }
-    wxIPV6address(const wxIPV6address& other) : wxIPaddress(other) { }
-
     // implement wxSockAddress pure virtuals:
     virtual Family Type() wxOVERRIDE { return IPV6; }
     virtual wxSockAddress *Clone() const wxOVERRIDE { return new wxIPV6address(*this); }
@@ -192,9 +179,6 @@ private:
 class WXDLLIMPEXP_NET wxUNIXaddress : public wxSockAddress
 {
 public:
-    wxUNIXaddress() : wxSockAddress() { }
-    wxUNIXaddress(const wxUNIXaddress& other) : wxSockAddress(other) { }
-
     void Filename(const wxString& name);
     wxString Filename() const;
 
diff --git a/include/wx/string.h b/include/wx/string.h
index 6e579ed616..64f424b71d 100644
--- a/include/wx/string.h
+++ b/include/wx/string.h
@@ -911,8 +911,6 @@ public:
 
   public:
       iterator() {}
-      iterator(const iterator& i) : m_cur(i.m_cur) {}
-
       reference operator*()
         { return wxUniCharRef::CreateForString(m_cur); }
 
@@ -946,7 +944,6 @@ public:
 
   public:
       const_iterator() {}
-      const_iterator(const const_iterator& i) : m_cur(i.m_cur) {}
       const_iterator(const iterator& i) : m_cur(i.m_cur) {}
 
       const_reference operator*() const
@@ -1015,8 +1012,6 @@ public:
 
       reverse_iterator_impl() {}
       reverse_iterator_impl(iterator_type i) : m_cur(i) {}
-      reverse_iterator_impl(const reverse_iterator_impl& ri)
-          : m_cur(ri.m_cur) {}
 
       iterator_type base() const { return m_cur; }
 
diff --git a/include/wx/unichar.h b/include/wx/unichar.h
index a0cc71937b..43f8cc985e 100644
--- a/include/wx/unichar.h
+++ b/include/wx/unichar.h
@@ -144,7 +144,6 @@ public:
     bool operator&&(bool v) const { return (bool)*this && v; }
 
     // Assignment operators:
-    wxUniChar& operator=(const wxUniChar& c) { if (&c != this) m_value = c.m_value; return *this; }
     wxUniChar& operator=(const wxUniCharRef& c);
     wxUniChar& operator=(char c) { m_value = From8bit(c); return *this; }
     wxUniChar& operator=(unsigned char c) { m_value = From8bit((char)c); return *this; }
diff --git a/include/wx/vector.h b/include/wx/vector.h
index c15d1630a6..e05920f985 100644
--- a/include/wx/vector.h
+++ b/include/wx/vector.h
@@ -194,7 +194,6 @@ public:
 
         reverse_iterator() : m_ptr(NULL) { }
         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; }
         pointer operator->() const { return m_ptr; }
diff --git a/src/common/geometry.cpp b/src/common/geometry.cpp
index 3f1cd03a89..57bdcb40c7 100644
--- a/src/common/geometry.cpp
+++ b/src/common/geometry.cpp
@@ -138,15 +138,6 @@ void wxRect2DDouble::ConstrainTo( const wxRect2DDouble &rect )
         SetTop( rect.GetTop() );
 }
 
-wxRect2DDouble& wxRect2DDouble::operator=( const wxRect2DDouble &r )
-{
-    m_x = r.m_x;
-    m_y = r.m_y;
-    m_width = r.m_width;
-    m_height = r.m_height;
-    return *this;
-}
-
 // integer version
 
 // for the following calculations always remember