diff --git a/pkgs/by-name/zl/zlint/package.nix b/pkgs/by-name/zl/zlint/package.nix
index 1368ef17f563..ab29929b8cf1 100644
--- a/pkgs/by-name/zl/zlint/package.nix
+++ b/pkgs/by-name/zl/zlint/package.nix
@@ -3,7 +3,6 @@
   buildGoModule,
   fetchFromGitHub,
   testers,
-  zlint,
 }:
 
 buildGoModule (finalAttrs: {
@@ -21,13 +20,11 @@ buildGoModule (finalAttrs: {
 
   vendorHash = "sha256-AdJxcJ/qjY6lzoK4PGNjR+7lYAypgCOk6Nt5sqP+ayA=";
 
-  postPatch = ''
-    # Remove a package which is not declared in go.mod.
-    rm -rf v3/cmd/genTestCerts
-    rm -rf v3/cmd/gen_test_crl
-  '';
-
-  excludedPackages = [ "lints" ];
+  excludedPackages = [
+    "cmd/genTestCerts"
+    "cmd/gen_test_crl"
+    "lints"
+  ];
 
   ldflags = [
     "-s"
@@ -36,8 +33,7 @@ buildGoModule (finalAttrs: {
   ];
 
   passthru.tests.version = testers.testVersion {
-    package = zlint;
-    command = "zlint -version";
+    package = finalAttrs.finalPackage;
   };
 
   meta = {