diff --git a/inst/models/first_diff_nonhier_bbs_CV.stan b/inst/models/first_diff_nonhier_bbs_CV.stan
index 0ba6890..3c77dfa 100644
--- a/inst/models/first_diff_nonhier_bbs_CV.stan
+++ b/inst/models/first_diff_nonhier_bbs_CV.stan
@@ -210,7 +210,6 @@ model {
 
 for(s in 1:(n_strata)){
     beta_raw[s,] ~ std_normal();
-  sum(beta_raw[s,]) ~ normal(0,0.001*n_years_m1);
 }
 
    strata_raw ~ std_normal();