# [Keg], 5 bytes, score = 4
The character to remove is the ```:``` character.

    ?:$_^

[Try it online!][TIO-k469ru41]

[Keg]: https://github.com/JonoCode9374/Keg
[TIO-k469ru41]: https://tio.run/##y05N///f3kolPu7/f4/UnJx8AA "Keg – Try It Online"
## Explanation
```
?     Read a string from STDIN, reversed
 :    Duplicate the first character of the string
  $   Swap the two duplicated characters
   _  Discard the duplicated item
    ^ Reverse the stack after input-manipulation

With the character removed:

?    Read a string from STDIN, reversed
 $   Swap the first two items of the string
  _  Remove the second item of the string
   ^ Reverse the stack back after input-manipulation
```