diff --git a/src/x11/glcanvas.cpp b/src/x11/glcanvas.cpp
index 2689a7af08..3fd27b8691 100644
--- a/src/x11/glcanvas.cpp
+++ b/src/x11/glcanvas.cpp
@@ -61,7 +61,7 @@ bool wxGLCanvas::Create(wxWindow *parent,
                         long style,
                         const wxString& name,
                         const int *attribList,
-                        const wxPalette& palette)
+                        const wxPalette& WXUNUSED(palette))
 {
     if ( !wxWindow::Create(parent, id, pos, size, style, name) )
         return false;
diff --git a/src/x11/pango_x.cpp b/src/x11/pango_x.cpp
index f71993db00..0e82c04f96 100644
--- a/src/x11/pango_x.cpp
+++ b/src/x11/pango_x.cpp
@@ -87,6 +87,7 @@ x11_draw_glyphs( Drawable            drawable,
     else
 #endif
     {
+        wxUnusedVar(colour);
         pango_x_render( wxGlobalDisplay(), drawable, gc, font, glyphs, x, y );
     }
 }