diff --git a/default.nix b/default.nix.old
similarity index 100%
rename from default.nix
rename to default.nix.old
diff --git a/scripts/build_and_push_image.sh b/scripts/build_and_push_image.sh
index ccaea4c..6abb0ad 100755
--- a/scripts/build_and_push_image.sh
+++ b/scripts/build_and_push_image.sh
@@ -1,5 +1,5 @@
 #! /usr/bin/env nix-shell
-#! nix-shell ../shell.nix -i bash
+#! nix develop
 
 set -eu
 
diff --git a/shell.nix b/shell.nix.old
similarity index 100%
rename from shell.nix
rename to shell.nix.old