diff --git a/pkgs/build-support/trivial-builders/test/concat-test.nix b/pkgs/build-support/trivial-builders/test/concat-test.nix
index d719ea7cd53c..59990a5124ab 100644
--- a/pkgs/build-support/trivial-builders/test/concat-test.nix
+++ b/pkgs/build-support/trivial-builders/test/concat-test.nix
@@ -1,18 +1,11 @@
-{ callPackage, lib, pkgs, runCommand, writeText, writeStringReferencesToFile }:
+{ callPackage, lib, pkgs, runCommand, concatText, writeText, hello }:
 let
-  sample = import ./sample.nix { inherit pkgs; };
-  samplePaths = lib.unique (lib.attrValues sample);
-  str2drv = x: "${x}";
-  sampleText = concatText "cample-concat" (lib.unique (map str2drv samplePaths));
-  stringReferencesText =
-    writeStringReferencesToFile
-      ((lib.concatMapStringsSep "fillertext"
-        stri
-        (lib.attrValues sample)) + ''
-        STORE=${builtins.storeDir};\nsystemctl start bar-foo.service
-      '');
+  stri = writeText "pathToTest";
+  txt1 = stri "abc";
+  txt2 = stri hello;
+  res = concatText "textToTest" [ txt1 txt2 ];
 in
-runCommand "test-writeStringReferencesToFile" { } ''
-  diff -U3 <(sort ${stringReferencesText}) <(sort ${sampleText})
+runCommand "test-concatPaths" { } ''
+  diff -U3 <(cat ${txt1} ${txt2}) ${res}
   touch $out
 ''
diff --git a/pkgs/test/default.nix b/pkgs/test/default.nix
index e3ef7839c4b4..3f148eefef9c 100644
--- a/pkgs/test/default.nix
+++ b/pkgs/test/default.nix
@@ -57,6 +57,7 @@ with pkgs;
     writeStringReferencesToFile = callPackage ../build-support/trivial-builders/test/writeStringReferencesToFile.nix {};
     references = callPackage ../build-support/trivial-builders/test/references.nix {};
     overriding = callPackage ../build-support/trivial-builders/test-overriding.nix {};
+    concat = callPackage ../build-support/trivial-builders/test/concat-test.nix {};
   };
 
   writers = callPackage ../build-support/writers/test.nix {};