diff --git a/src/io.mond b/src/io.mond
index 4fd3e06..1a90c96 100644
--- a/src/io.mond
+++ b/src/io.mond
@@ -1,5 +1,2 @@
 ;;; print a string followed by a newline
 (pub extern let println ~ (String -> Unit) mond_io_helpers/println)
-
-;;; debug-print any value using Erlang term syntax
-(pub extern let debug ~ ('a -> Unit) erlang/display)