diff --git a/pyext/ctselect.i b/pyext/ctselect.i
index 22ab3e8..5f08576 100644
--- a/pyext/ctselect.i
+++ b/pyext/ctselect.i
@@ -39,7 +39,6 @@ public:
     void get_parameters(void);
     void select(void);
     void append_gti(void);
-    void copy(void);
 };