diff --git a/nix/workbench/profiles/defaults.jq b/nix/workbench/profiles/defaults.jq
index e066c9d4a25..d404c4c21a2 100644
--- a/nix/workbench/profiles/defaults.jq
+++ b/nix/workbench/profiles/defaults.jq
@@ -47,8 +47,8 @@ def era_defaults($era):
         , rho: 0.0022
         , tau: 0.05
         , a0: 0.3
-        , minFeeA: 44
-        , minFeeB: 155381
+        , minFeeA: 0
+        , minFeeB: 0
         , decentralisationParam: 0
         }
       }