public static String removeAllEmojis(String str) {
    EmojiTransformer emojiTransformer = new EmojiTransformer() {
      public String transform(UnicodeCandidate unicodeCandidate) {
        return "";
      }
    };

    return parseFromUnicode(str, emojiTransformer);
  }
Removes all emojis from a String

@param str the string to process

@return the string without any emoji
src/main/java/com/vdurmont/emoji/EmojiParser.java