diff --git a/lib/core.js b/lib/core.js
index de1e15f..910f90f 100644
--- a/lib/core.js
+++ b/lib/core.js
@@ -20,7 +20,6 @@ function Promise(fn) {
   this.state = state;
 
   this.isFulfilled = function () {
-    debugger;
     return state === true
   }