diff --git a/src/allmydata/scripts/runner.py b/src/allmydata/scripts/runner.py
index 30b29f68e..f57397f74 100644
--- a/src/allmydata/scripts/runner.py
+++ b/src/allmydata/scripts/runner.py
@@ -162,13 +162,7 @@ def dispatch(config,
     # 4: return a Deferred that does 1 or 2 or 3
     def _raise_sys_exit(rc):
         sys.exit(rc)
-
-    def _error(f):
-        f.trap(usage.UsageError)
-        print("Error: {}".format(f.value.message))
-        sys.exit(1)
     d.addCallback(_raise_sys_exit)
-    d.addErrback(_error)
     return d
 
 def _maybe_enable_eliot_logging(options, reactor):