diff --git a/hosts/baal/default.nix b/hosts/baal/default.nix
index 978a04e..aae4278 100644
--- a/hosts/baal/default.nix
+++ b/hosts/baal/default.nix
@@ -43,7 +43,6 @@
     bantime = "24h"; # Ban IPs for one day on the first ban
     bantime-increment = {
       enable = true; # Enable increment of bantime after each violation
-      formula = "ban.Time * math.exp(float(ban.Count+1)*banFactor)/math.exp(1*banFactor)";
       multipliers = "1 2 4 8 16 32 64";
       maxtime = "168h"; # Do not ban for more than 1 week
       overalljails = true; # Calculate the bantime based on all the violations
diff --git a/hosts/buer/default.nix b/hosts/buer/default.nix
index 79f464c..a487b6f 100755
--- a/hosts/buer/default.nix
+++ b/hosts/buer/default.nix
@@ -76,7 +76,6 @@
     bantime = "24h"; # Ban IPs for one day on the first ban
     bantime-increment = {
       enable = true; # Enable increment of bantime after each violation
-      formula = "ban.Time * math.exp(float(ban.Count+1)*banFactor)/math.exp(1*banFactor)";
       multipliers = "1 2 4 8 16 32 64";
       maxtime = "168h"; # Do not ban for more than 1 week
       overalljails = true; # Calculate the bantime based on all the violations
diff --git a/hosts/valefar/default.nix b/hosts/valefar/default.nix
index 2fbbea2..7dd6797 100755
--- a/hosts/valefar/default.nix
+++ b/hosts/valefar/default.nix
@@ -272,7 +272,6 @@
     bantime = "24h"; # Ban IPs for one day on the first ban
     bantime-increment = {
       enable = true; # Enable increment of bantime after each violation
-      formula = "ban.Time * math.exp(float(ban.Count+1)*banFactor)/math.exp(1*banFactor)";
       multipliers = "1 2 4 8 16 32 64";
       maxtime = "168h"; # Do not ban for more than 1 week
       overalljails = true; # Calculate the bantime based on all the violations