diff --git a/config/environment.rb.SAMPLE b/config/environment.rb.SAMPLE
--- a/config/environment.rb.SAMPLE
+++ b/config/environment.rb.SAMPLE
@@ -62,6 +62,3 @@
 # These are where inputs and outputs of test requests are stored
 TEST_REQUEST_INPUT_FILE_DIR = RAILS_ROOT + '/data/test_request/input'
 TEST_REQUEST_OUTPUT_FILE_DIR = RAILS_ROOT + '/data/test_request/output'
-
-# Uncomment this for single user mode (only root is allowed to log in)
-# SINGLE_USER_MODE = true