Index: ps/trunk/build/arclint/configs/eslintrc.json
===================================================================
--- ps/trunk/build/arclint/configs/eslintrc.json
+++ ps/trunk/build/arclint/configs/eslintrc.json
@@ -77,7 +77,7 @@
         "no-class-assign": 1,
         "no-const-assign": 1,
         "no-dupe-class-members" : 1,
-        "prefer-const": 0,
+        "prefer-const": 1,
 
         "brace-rules/brace-on-same-line": ["warn", {
             "FunctionDeclaration": "never",