diff --git a/dist/js/bootstrap.js b/dist/js/bootstrap.js
index dfa3d4e246..d469f22c02 100644
--- a/dist/js/bootstrap.js
+++ b/dist/js/bootstrap.js
@@ -982,7 +982,6 @@ if (typeof jQuery === "undefined") { throw new Error("Bootstrap requires jQuery"
   }
 
   Modal.prototype.backdrop = function (callback) {
-    var that    = this
     var animate = this.$element.hasClass('fade') ? 'fade' : ''
 
     if (this.isShown && this.options.backdrop) {
diff --git a/js/modal.js b/js/modal.js
index 15b81c3623..c284b4dc6a 100644
--- a/js/modal.js
+++ b/js/modal.js
@@ -149,7 +149,6 @@
   }
 
   Modal.prototype.backdrop = function (callback) {
-    var that    = this
     var animate = this.$element.hasClass('fade') ? 'fade' : ''
 
     if (this.isShown && this.options.backdrop) {