diff --git a/builtin/show.mbt b/builtin/show.mbt
index 36e71d1e2..26ba9f8d2 100644
--- a/builtin/show.mbt
+++ b/builtin/show.mbt
@@ -204,15 +204,7 @@ pub impl[X : Show] Show for Array[X] with output(self, logger) {
 }
 
 ///| Convert Char to String
-pub impl Show for Char with to_string(self : Char) -> String {
-  char_to_string(self)
-}
-
-///| TODO: support attributes for impl
-#intrinsic("%char.to_string")
-fn char_to_string(char : Char) -> String {
-  [char]
-}
+pub impl Show for Char with to_string(self) = "%char.to_string"
 
 ///|
 pub impl Show for Char with output(self, logger) {