diff --git a/montecarlo/pythia6/inc/TPythia6.h b/montecarlo/pythia6/inc/TPythia6.h
index 11cf5ec8b5e7dabaed9e9821025e34ed4d54c3ad..ba047f5f6cd0582731c15600508d0c61f3baeb9e 100644
--- a/montecarlo/pythia6/inc/TPythia6.h
+++ b/montecarlo/pythia6/inc/TPythia6.h
@@ -326,7 +326,7 @@ public:
    void             Pyrset(int lun, int move);
    void             Pystat(int flag);
    void             Pytest(int flag);
-   void             Pytune(int itune);
+   //void             Pytune(int itune);   // not (anymore) in libPythia6
    void             Pyupda(int mupda, int lun);
    void             SetupTest();
 
diff --git a/montecarlo/pythia6/src/TPythia6.cxx b/montecarlo/pythia6/src/TPythia6.cxx
index 6ad607efd40c475a0dd157e658f67dd34b4c4a1a..9230f8e8b9de2083a41d21cece3a0e59ecb7ec6f 100644
--- a/montecarlo/pythia6/src/TPythia6.cxx
+++ b/montecarlo/pythia6/src/TPythia6.cxx
@@ -607,10 +607,11 @@ void TPythia6::Pytest(int flag) {
    pytest(&flag);
 }
 
-void TPythia6::Pytune(int itune) {
-   //interface with fortran routine pytune
-   pytune(&itune);
-}
+// not (anymore) in libPythia6
+//void TPythia6::Pytune(int itune) {
+//   //interface with fortran routine pytune
+//   pytune(&itune);
+//}
 
 void TPythia6::Pyupda(int mupda, int lun) {
    //interface with fortran routine pyupda