diff --git a/labgrid/test/rule.bzl b/labgrid/test/rule.bzl
index e0f899427f685a9a596fd76b2e378817f5b90f15..0b2130e1cf382279b9998c8130b6a00bfd2ee069 100644
--- a/labgrid/test/rule.bzl
+++ b/labgrid/test/rule.bzl
@@ -33,12 +33,6 @@ ATTRS = {
     ),
 }
 
-def _runfile(label, file):
-    path = file.short_path
-    if path.startswith("../"):
-        return path.removeprefix("../")
-    return "{}/{}".format(label.workspace_name or "_main", path)
-
 def _run_env(target):
     if RunEnvironmentInfo in target:
         return target[RunEnvironmentInfo].environment