diff --git a/pkgs/by-name/ru/rumdl/package.nix b/pkgs/by-name/ru/rumdl/package.nix
index f54b6627d42a..e8717d41214c 100644
--- a/pkgs/by-name/ru/rumdl/package.nix
+++ b/pkgs/by-name/ru/rumdl/package.nix
@@ -37,6 +37,13 @@ rustPlatform.buildRustPackage (finalAttrs: {
   useNextest = true;
 
   cargoTestFlags = [
+    "--bins"
+
+    # Building all tests takes too long, and filtering by profile does not solve it.
+    # It also causes flaky results on Darwin in Hydra.
+    "--test"
+    "cli_*"
+
     # Prefer the "smoke" profile over "ci" to exclude flaky tests: https://github.com/rvben/rumdl/pull/341
     "--profile"
     "smoke"