diff --git a/R/parameters.R b/R/parameters.R
index f31c96fd..1290f15e 100644
--- a/R/parameters.R
+++ b/R/parameters.R
@@ -498,8 +498,6 @@ get_parameters <- function(overrides = list(), parasite = "falciparum") {
       ivm_rendering_max_ages = numeric(0),
       hypnozoites_rendering_min_ages = numeric(0),
       hypnozoites_rendering_max_ages = numeric(0),
-      n_with_hypnozoites_rendering_min_ages = numeric(0),
-      n_with_hypnozoites_rendering_max_ages = numeric(0),
       # mixing
       rdt_intercept = -0.968,
       rdt_coeff = 1.186,