diff --git a/lib/available.fish b/lib/available.fish
deleted file mode 100644
index b6cfa14e054831a3719e105c3192fa0e0807580f..0000000000000000000000000000000000000000
--- a/lib/available.fish
+++ /dev/null
@@ -1,9 +0,0 @@
-# SYNOPSIS
-#   available [name]
-#
-# OVERVIEW
-#   Check if a function or program is available.
-
-function available -a name -d "Check if a function or program is available."
-  type "$name" ^/dev/null >&2
-end
diff --git a/pkg/omf/functions/compat/available.fish b/pkg/omf/functions/compat/available.fish
new file mode 100644
index 0000000000000000000000000000000000000000..931b211858171d30b92a8f2df3b916e0a5abd1a0
--- /dev/null
+++ b/pkg/omf/functions/compat/available.fish
@@ -0,0 +1,7 @@
+function available
+  printf 'warning: function %savailable%s is deprecated and will be removed soon.\n %s\n' \
+  (set_color -u) (set_color normal) \
+  (status -t)[5] >&2
+
+  type -q $argv
+end