diff --git a/nix/tools/loadtest.nix b/nix/tools/loadtest.nix
index cff943d59..1d3831878 100644
--- a/nix/tools/loadtest.nix
+++ b/nix/tools/loadtest.nix
@@ -121,8 +121,6 @@ let
             ;;
 
           jwt-rsa-cache-worst)
-            export PGRST_JWT_SECRET="@$_arg_testdir/gen_jwk.json"
-
             ${genRsaMaterials} --rsa="$_arg_testdir"/gen_jwk.json --private-key="$_arg_testdir"/gen_private.json
             export PGRST_JWT_SECRET="@$_arg_testdir/gen_jwk.json"