diff --git a/Processes/Sibyll/NuclearInteraction.cc b/Processes/Sibyll/NuclearInteraction.cc
index 057c07d2a0cb2944a26668ad20399b4dd6e42b86..384330c636a45a3dbeed8fc11ba2193e9dd1fd31 100644
--- a/Processes/Sibyll/NuclearInteraction.cc
+++ b/Processes/Sibyll/NuclearInteraction.cc
@@ -236,8 +236,6 @@ namespace corsika::process::sibyll {
             "projectiles should use NuclearStackExtension!");
       else {
         // no nuclear interaction
-        cout << "NuclearInteraction::GetInteractionLength: non nuclear projectile: "
-             << corsikaBeamId << " set interaction length to inf" << endl;
         return std::numeric_limits<double>::infinity() * 1_g / (1_cm * 1_cm);
       }
     }