diff --git a/custom/pkgs/by-category/pythonPackages/prefab-specs.nix b/custom/pkgs/by-category/pythonPackages/prefab-specs.nix
index fcb8a9c..648c6dc 100644
--- a/custom/pkgs/by-category/pythonPackages/prefab-specs.nix
+++ b/custom/pkgs/by-category/pythonPackages/prefab-specs.nix
@@ -82,6 +82,7 @@ let
     thop
     httpx-retries
     robust-downloader
+    doclayout-yolo
     ;
 in
 {
@@ -153,10 +154,10 @@ in
   };
   ascii-colors = {
     url = "https://github.com/ParisNeo/ascii_colors/tree/817a21485136635e3da89ff08444183254b25aab";
-    hash = "sha256-jiolJzsBQMp9/DHdHTixJGvXoS19vAp/S7+8PyLARoo=";
+    hash = "sha256-zK4vM2sOfEFDJBpFjcJmQXljg3pgprP+VFuuk5JNWnE=";
     force.version = "0.11.12";
     propagatedBuildDeps = [
-      wcwidth
+      # wcwidth
     ];
     meta = {
       description = "A python library for displaying stuff on the console in a pretty way";
@@ -193,7 +194,7 @@ in
       qwen-vl-utils
     ];
     optional-dependencies = {
-      core = with self; [
+      core = [
         doclayout-yolo
       ]
       # ++ (with mineru.optional-dependencies; [
@@ -251,12 +252,8 @@ in
       dist = "py3";
     };
     hash = "sha256-AUc8IlIxkn0q1xg1H3jr98/+avO+1GTE8boe8PfN2ic=";
-    nativeBuildDeps = [
-      ninja
-    ];
     propagatedBuildDeps = [
       distutils
-      torch
     ];
     meta = {
       description = "Count the MACs / FLOPs of your PyTorch model.";
diff --git a/custom/pkgs/lib/prefab.nix b/custom/pkgs/lib/prefab.nix
index 3b12efb..2786b5a 100644
--- a/custom/pkgs/lib/prefab.nix
+++ b/custom/pkgs/lib/prefab.nix
@@ -87,6 +87,8 @@ let
         pythonRelaxDeps = pythonRelaxDeps;
         pythonImportsCheck = imports;
 
+        dontBuild = (force.format or null) == "wheel";
+
         installCheckPhase = ''
           runHook preInstallCheck
           ${builtins.concatStringsSep "\n" (