diff --git a/meson.build b/meson.build
index c493dfad6..f3158ea6d 100644
--- a/meson.build
+++ b/meson.build
@@ -61,4 +61,3 @@ if get_option('unit-tests')
 endif
 subproject('nix-functional-tests')
 subproject('json-schema-checks')
-subproject('kaitai-struct-checks')
diff --git a/packaging/dev-shell.nix b/packaging/dev-shell.nix
index ea12e079f..153e7a3eb 100644
--- a/packaging/dev-shell.nix
+++ b/packaging/dev-shell.nix
@@ -109,7 +109,6 @@ pkgs.nixComponents2.nix-util.overrideAttrs (
           ++ pkgs.nixComponents2.nix-external-api-docs.nativeBuildInputs
           ++ pkgs.nixComponents2.nix-functional-tests.externalNativeBuildInputs
           ++ pkgs.nixComponents2.nix-json-schema-checks.externalNativeBuildInputs
-          ++ pkgs.nixComponents2.nix-kaitai-struct-checks.externalNativeBuildInputs
           ++ lib.optional (
             !buildCanExecuteHost
             # Hack around https://github.com/nixos/nixpkgs/commit/bf7ad8cfbfa102a90463433e2c5027573b462479
@@ -149,7 +148,6 @@ pkgs.nixComponents2.nix-util.overrideAttrs (
     ++ pkgs.nixComponents2.nix-expr.externalPropagatedBuildInputs
     ++ pkgs.nixComponents2.nix-cmd.buildInputs
     ++ lib.optionals havePerl pkgs.nixComponents2.nix-perl-bindings.externalBuildInputs
-    ++ lib.optional havePerl pkgs.perl
-    ++ pkgs.nixComponents2.nix-kaitai-struct-checks.externalBuildInputs;
+    ++ lib.optional havePerl pkgs.perl;
   }
 )
diff --git a/src/kaitai-struct-checks/package.nix b/src/kaitai-struct-checks/package.nix
index 263dd6fd1..97d56aabd 100644
--- a/src/kaitai-struct-checks/package.nix
+++ b/src/kaitai-struct-checks/package.nix
@@ -1,4 +1,5 @@
 # Run with: nix build .#nix-kaitai-struct-checks
+# or: `nix develop .#nix-kaitai-struct-checks` to enter a dev shell
 {
   lib,
   mkMesonDerivation,