diff --git a/src/dropdown/src/Dropdown.js b/src/dropdown/src/Dropdown.js
index 8498fa693..692e7099c 100644
--- a/src/dropdown/src/Dropdown.js
+++ b/src/dropdown/src/Dropdown.js
@@ -180,6 +180,7 @@ export default {
       keyboardDelegate.unregisterHandler(this.handleKeyDownLeft)
       keyboardDelegate.unregisterHandler(this.handleKeyDownRight)
       keyboardDelegate.unregisterHandler(this.handleKeyUpEnter)
+      keyboardDelegate.unregisterHandler(this.handleKeyDownEsc)
     },
     handleKeyDownEsc () {
       this.doUpdateShow(false)