diff --git a/src/index.js b/src/index.js
index 5341600..9d893cc 100644
--- a/src/index.js
+++ b/src/index.js
@@ -151,26 +151,12 @@ const check = async ({ projectSourcePath, codePath, projectMember }) => {
   // NOTE: The verdict is the exit code of the test service. up would report the
   // exit code of whichever container stopped first, so app and db shut down
   // after successful tests turned a green run red.
-  //
-  // The service is not in every project image yet, so the step falls back to up.
-  // Without the fallback the merge would be a flag day: run --rm test on a
-  // project without the service exits 1, and "no such service" is
-  // indistinguishable from failing tests. The up branch goes away once every
-  // published image carries test. Mirrors hexlet-project-source-ci's template.
-  const { stdout: serviceList } = await exec.getExecOutput(
-    'docker compose',
-    [...composeFile, 'config', '--services'],
-    options,
-  );
-  const hasTestService = serviceList
-    .split('\n')
-    .map((name) => name.trim())
-    .includes('test');
-  const verdictArgs = hasTestService
-    ? [...composeFile, 'run', '--rm', 'test']
-    : [...composeFile, 'up', '--abort-on-container-exit'];
   try {
-    await exec.exec('docker compose', verdictArgs, options);
+    await exec.exec(
+      'docker compose',
+      [...composeFile, 'run', '--rm', 'test'],
+      options,
+    );
   } catch (err) {
     // NOTE: run attaches to the test container only, so logs of the services it
     // waited for are the only clue left for a failing server project.