diff --git a/src/modules/butterflies/butterflies_main.c b/src/modules/butterflies/butterflies_main.c
index 3c6583ab79764515abf95498d25ae87977cd69b9..bd0d13a8c7068a36610f77a16a360d15a60bb362 100644
--- a/src/modules/butterflies/butterflies_main.c
+++ b/src/modules/butterflies/butterflies_main.c
@@ -36,7 +36,6 @@ double *butterflies_matrix(struct cats_configuration *conf, struct lambda_parame
         // that survive and become adult has to be the reproduction rate divided by the female fraction divided by the number of eggs
         cats_dt_rates eggs_to_adults_rate = bf_egg_to_adult_survival_rate(reproduction_rate, local_eggs, female_fraction);
         cats_dt_rates result =  local_eggs * eggs_to_adults_rate * female_fraction;
-        log_message(LOG_INFO, "scale factor %Lf: eggs_to_adults_rate %Lf", l_param->grid->param.scale_factor, eggs_to_adults_rate);
 
         double *matrix = calloc_or_die(1, sizeof(double));