diff --git a/addons/mail/static/src/js/emojis.js b/addons/mail/static/src/js/emojis.js
index c8bc62abf9f..f3952239bcf 100644
--- a/addons/mail/static/src/js/emojis.js
+++ b/addons/mail/static/src/js/emojis.js
@@ -59,7 +59,6 @@ var data = {
     ":'o":            "😨",
     "3:(":            "😠",
     ">:(":            "😠", // alt.
-    "3:":             "😠", // alt.
     "3:)":            "😈",
     ">:)":            "😈", // alt.
     ":*":             "😘",