diff --git a/client/GruntFile.js b/client/GruntFile.js
index f71e80bf5bd..e8b8e30d3f9 100644
--- a/client/GruntFile.js
+++ b/client/GruntFile.js
@@ -72,7 +72,7 @@ module.exports = function(grunt) {
 
       "traceKit": [ "tracekit.js", "tracekit.js" ],
       "ravenjs": [ "dist/raven.js", "raven.js" ],
-      //"underscore": [ "underscore.js", "underscore.js" ],
+      "underscore": [ "underscore.js", "underscore.js" ],
       //"backbone": [ "backbone.js", "backbone/backbone.js" ],
       "handlebars": [ "handlebars.runtime.js", "handlebars.runtime.js" ]
 
diff --git a/client/galaxy/scripts/libs/underscore.js b/client/galaxy/scripts/libs/underscore.js
index afd92e5bb33..b4f49a0204c 100644
--- a/client/galaxy/scripts/libs/underscore.js
+++ b/client/galaxy/scripts/libs/underscore.js
@@ -1159,7 +1159,6 @@
     return value;
   };
 
-  // Predicate-generating functions. Often useful outside of Underscore.
   _.constant = function(value) {
     return function() {
       return value;
diff --git a/static/scripts/libs/underscore.js b/static/scripts/libs/underscore.js
index afd92e5bb33..b4f49a0204c 100644
--- a/static/scripts/libs/underscore.js
+++ b/static/scripts/libs/underscore.js
@@ -1159,7 +1159,6 @@
     return value;
   };
 
-  // Predicate-generating functions. Often useful outside of Underscore.
   _.constant = function(value) {
     return function() {
       return value;