diff --git a/lib/model/testcase.js b/lib/model/testcase.js
index 5e038c9..eb2f409 100644
--- a/lib/model/testcase.js
+++ b/lib/model/testcase.js
@@ -35,10 +35,6 @@ Testcase._sanitizeId = function(candidate) {
   }
 };
 
-Testcase._sanitizeInstructions = function(candidate) {
-  return candidate;
-};
-
 Testcase._sanitizeState = function(candidate) {
   if (!Testcase.isValidState(candidate)) {
     throw new Error('"' + candidate + '" is not a valid state');