diff --git a/new_scripts.py b/new_scripts.py
index f91b22b0b..fdee04dea 100644
--- a/new_scripts.py
+++ b/new_scripts.py
@@ -122,12 +122,8 @@ def automated_param_select_n(params, target_security=128):
 
     # final estimate (we went too far in the above loop)
     if security_level < target_security:
-        # TODO: we should somehow keep the previous estimate stored so that we don't need to compute it twice
-        # if we do this we need to make sure that it works for both sides (i.e. if (i-1) is above or below the
-        # security level
-
+        # we go back
         params = params.updated(n = params.n - z * 8)
-        costs = estimate(params)
         security_level = get_security_level(costs, 2)
 
     print("the finalised parameters are n = {}, log2(sd) = {}, log2(q) = {}, with a security level of {}-bits".format(params.n,