diff --git a/lib/WeBWorK/Constants.pm b/lib/WeBWorK/Constants.pm
index d110d43a8f..322a930645 100644
--- a/lib/WeBWorK/Constants.pm
+++ b/lib/WeBWorK/Constants.pm
@@ -31,7 +31,7 @@ use warnings;
 
 # If true, WeBWorK::Debug will print debugging output.
 #
-$WeBWorK::Debug::Enabled = 1;
+$WeBWorK::Debug::Enabled = 0;
 
 # If non-empty, debugging output will be sent to the file named rather than STDERR.
 #