diff --git a/build_packages b/build_packages
index 1d5cd21..66286e5 100755
--- a/build_packages
+++ b/build_packages
@@ -26,8 +26,6 @@
   "Build autotest client code."
 DEFINE_boolean withdebugsymbols "${FLAGS_FALSE}" \
   "Install the debug symbols for all packages"
-DEFINE_string eventfile "${DEFAULT_EVENT_FILE}" \
-  "Define the file that event logs will be written."
 DEFINE_boolean withrevdeps "${FLAGS_TRUE}" \
   "Calculate reverse dependencies on changed ebuilds."
 DEFINE_boolean autosetgov "${FLAGS_FALSE}" \