diff --git a/tests/utils.py b/tests/utils.py
index e24eda90f2ba..d14c32e29548 100644
--- a/tests/utils.py
+++ b/tests/utils.py
@@ -235,13 +235,10 @@ def __exit__(self, exc_type, exc_value, traceback):
         except (ProcessLookupError, OSError):
             pgid = None
 
-        # Phase 1: graceful SIGTERM to the entire process group
-        if pgid is not None:
-            with contextlib.suppress(ProcessLookupError, OSError):
-                os.killpg(pgid, signal.SIGTERM)
-                print(f"[RemoteOpenAIServer] Sent SIGTERM to process group {pgid}")
-        else:
+        # Phase 1: graceful SIGTERM to the root process
+        with contextlib.suppress(ProcessLookupError, OSError):
             self.proc.terminate()
+            print(f"[RemoteOpenAIServer] Sent SIGTERM to process {pid}")
 
         try:
             self.proc.wait(timeout=15)