diff --git a/src/x11/colour.cpp b/src/x11/colour.cpp
index 9ce03f2d5b..a9c177d209 100644
--- a/src/x11/colour.cpp
+++ b/src/x11/colour.cpp
@@ -232,7 +232,6 @@ void wxColour::Set( unsigned char red, unsigned char green, unsigned char blue )
 {
     AllocExclusive();
 
-    m_refData = new wxColourRefData();
 #if wxUSE_NANOX
     M_COLDATA->m_color.red = ((unsigned short)red) ;
     M_COLDATA->m_color.green = ((unsigned short)green) ;