diff --git a/nix/pkgs.nix b/nix/pkgs.nix
index 1228fda671f..95105eac31f 100644
--- a/nix/pkgs.nix
+++ b/nix/pkgs.nix
@@ -6,26 +6,26 @@ let
   inherit (prev.pkgs) lib;
   inherit (prev) customConfig;
 
-  # A generic, fully parameteric version of the workbench development environment.
+  # A generic, fully parametric version of the workbench development environment.
   workbench = import ./workbench
     {inherit pkgs lib; inherit (final) cardanoNodePackages cardanoNodeProject;};
 
   # Workbench runner instantiated by parameters from customConfig:
   workbench-runner =
-    { stateDir           ? customConfig.localCluster.stateDir
-    , batchName          ? customConfig.localCluster.batchName
-    , profileName        ? customConfig.localCluster.profileName
+    { profileName        ? customConfig.localCluster.profileName
+    , profiling          ? customConfig.profiling
     , backendName        ? customConfig.localCluster.backendName
+    , stateDir           ? customConfig.localCluster.stateDir
     , basePort           ? customConfig.localCluster.basePort
     , useCabalRun        ? customConfig.localCluster.useCabalRun
     , workbenchDevMode   ? customConfig.localCluster.workbenchDevMode
+    , batchName          ? customConfig.localCluster.batchName
     , workbenchStartArgs ? customConfig.localCluster.workbenchStartArgs
-    , profiling          ? customConfig.profiling
     , cardano-node-rev   ? null
     }:
     workbench.runner
-      { inherit stateDir batchName profileName backendName basePort useCabalRun;
-        inherit workbenchDevMode workbenchStartArgs profiling cardano-node-rev;
+      { inherit profileName profiling backendName stateDir basePort useCabalRun;
+        inherit batchName workbenchDevMode workbenchStartArgs cardano-node-rev;
       };
 
 in with final;
diff --git a/nix/workbench/backend/runner.nix b/nix/workbench/backend/runner.nix
index cb1e80aa4ff..c4bcde5f773 100644
--- a/nix/workbench/backend/runner.nix
+++ b/nix/workbench/backend/runner.nix
@@ -1,17 +1,15 @@
-{ pkgs
-, lib
+{ pkgs, lib
 ##
 , profile
 , backend
-, batchName
 ##
-, cardano-node-rev
-, workbench
-, cardanoNodePackages
+, workbench # The derivation.
 , workbenchDevMode
+, cardanoNodePackages # The binaries to use when calling the workbench.
+, batchName
 , workbenchStartArgs
 ##
-, cacheDir              ? "${__getEnv "HOME"}/.cache/cardano-workbench"
+, cardano-node-rev
 }:
 let
   profileName = profile.name;
@@ -33,7 +31,7 @@ in
       ## In dev mode, call the script directly:
       ++ pkgs.lib.optionals (!workbenchDevMode)
       [ workbench ];
-
+    cacheDir = "${__getEnv "HOME"}/.cache/cardano-workbench";
     workbench-interactive-start = pkgs.writeScriptBin "start-cluster" ''
       set -euo pipefail
 
diff --git a/nix/workbench/default.nix b/nix/workbench/default.nix
index f657a47333b..92691dffd9a 100644
--- a/nix/workbench/default.nix
+++ b/nix/workbench/default.nix
@@ -1,5 +1,4 @@
-{ pkgs
-, lib
+{ pkgs, lib
 , cardanoNodePackages
 , cardanoNodeProject
 }:
@@ -7,11 +6,15 @@
 with lib;
 
 let
+
   # recover CHaP location from cardano's project
   chap = cardanoNodeProject.args.inputMap."https://chap.intersectmbo.org/";
   # build plan as computed by nix
   nixPlanJson = cardanoNodeProject.plan-nix.json;
 
+  # Workbench derivation and functions to create derivations from `wb` commands.
+  ##############################################################################
+
   workbench' = tools:
     pkgs.stdenv.mkDerivation {
       pname = "workbench";
@@ -45,24 +48,37 @@ let
       dontStrip = true;
     };
 
-  workbench = with cardanoNodePackages; with pkgs; workbench' (
-    [ git graphviz
-      jq
-      moreutils
-      procps
-      cardano-cli
-      cardano-profile
-      cardano-topology
-    ] ++ lib.optional (!pkgs.stdenv.hostPlatform.isDarwin) db-analyser
-      ++ [ locli ]
+  # Workbench with its dependencies to call from Nix.
+  workbench = workbench' (
+      (with pkgs;
+        [ git graphviz
+          jq
+          moreutils
+          procps
+        ]
+      )
+      ++
+      (with cardanoNodePackages;
+        [
+          cardano-cli
+          cardano-profile
+          cardano-topology
+          locli
+        ]
+      )
+      ++
+      lib.optional (!pkgs.stdenv.hostPlatform.isDarwin) pkgs.db-analyser
     );
 
   runWorkbench =
-    name: command:
+    name: command: # Name of the derivation and `wb` command to run.
     pkgs.runCommand name {} ''
       ${workbench}/bin/wb ${command} > $out
     '';
 
+  # Helper functions.
+  ##############################################################################
+
   runJq =
     name: args: query:
     pkgs.runCommand name {} ''
@@ -70,19 +86,37 @@ let
       ${pkgs.jq}/bin/jq '${query}' "''${args[@]}" > $out
     '';
 
-  profile-names-json =
-    runWorkbench "profile-names.json" "profiles list";
+  # Auxiliary functions of `wb` commands.
+  ##############################################################################
 
-  profile-names =
-    __fromJSON (__readFile profile-names-json);
+  profile-names = __fromJSON (__readFile profile-names-json);
+
+  profile-names-json = runWorkbench "profile-names.json" "profiles list";
+
+# Output
+################################################################################
 
 in pkgs.lib.fix (self: {
+
   inherit cardanoNodePackages;
   inherit workbench' workbench runWorkbench;
   inherit runJq;
-
   inherit profile-names-json profile-names;
 
+  # Return a profile attr with a `materialise-profile` function.
+  # profileName -> profiling -> profile
+  profile =
+    { profileName
+    , profiling
+    }:
+    (import ./profile/profile.nix
+      { inherit pkgs lib;
+        workbenchNix = self;
+        inherit profileName profiling;
+      }
+    )
+  ;
+
   # Return a backend attr with a `materialise-profile` function.
   # backendName -> stateDir -> basePort -> useCabalRun -> backend
   backend =
@@ -106,20 +140,6 @@ in pkgs.lib.fix (self: {
         { inherit pkgs lib stateDir basePort useCabalRun; }
   ;
 
-  # Return a profile attr with a `materialise-profile` function.
-  # profileName -> profiling -> profile
-  profile =
-    { profileName
-    , profiling
-    }:
-    (import ./profile/profile.nix
-      { inherit pkgs lib;
-        workbenchNix = self;
-        inherit profileName profiling;
-      }
-    )
-  ;
-
   # A conveniently-parametrisable workbench preset.
   # See https://input-output-hk.github.io/haskell.nix/user-guide/development/
   # The general idea is:
@@ -127,22 +147,20 @@ in pkgs.lib.fix (self: {
   # 2. backendName -> stateDir -> basePort -> useCabalRun -> backend
   # 3. profile -> backend -> batchName -> runner
   runner =
-    { stateDir
-    , batchName
-    , profileName
+    { profileName
+    , profiling
     , backendName
+    , stateDir
     , basePort
     , useCabalRun
     , workbenchDevMode
+    , batchName
     , workbenchStartArgs
-    , profiling
     , cardano-node-rev
     }:
     let
         # Only a name needed to create a profile attrset.
-        profile = self.profile
-                    { inherit profileName profiling; }
-        ;
+        profile = self.profile { inherit profileName profiling; };
         # The `useCabalRun` flag is set in the backend to allow the backend to
         # override its value. The runner uses the value of `useCabalRun` from
         # the backend to prevent a runner using a different value.
@@ -153,10 +171,8 @@ in pkgs.lib.fix (self: {
       {
           inherit pkgs lib;
           inherit profile backend;
-          inherit batchName;
+          inherit workbench workbenchDevMode cardanoNodePackages;
+          inherit batchName workbenchStartArgs;
           inherit cardano-node-rev;
-          inherit workbench; # The derivation.
-          inherit cardanoNodePackages;
-          inherit workbenchDevMode workbenchStartArgs;
       };
 })
diff --git a/nix/workbench/profile/profile.nix b/nix/workbench/profile/profile.nix
index 278da951851..cdbcbf7d35a 100644
--- a/nix/workbench/profile/profile.nix
+++ b/nix/workbench/profile/profile.nix
@@ -1,7 +1,6 @@
 { pkgs, lib
 , workbenchNix
-, profileName
-, profiling
+, profileName, profiling
 }:
 
 let