diff --git a/config/environment.rb.SAMPLE b/config/environment.rb.SAMPLE
--- a/config/environment.rb.SAMPLE
+++ b/config/environment.rb.SAMPLE
@@ -109,3 +109,4 @@
 CODEJOM_MAX_ALIVE_LEVEL = 10
 TEST_ASSIGNMENT_EXPIRATION_DURATION = 5.minute
 SHOW_CONTEST_STATUS = false
+HIDE_PASSED_TASKS = true
\ No newline at end of file