diff --git a/src/client/opamCommands.ml b/src/client/opamCommands.ml
index c86d987f9c8..0120d95c714 100644
--- a/src/client/opamCommands.ml
+++ b/src/client/opamCommands.ml
@@ -4096,6 +4096,7 @@ let clean cli =
            cleandir (OpamPath.Switch.build_dir root sw);
            cleandir (OpamPath.Switch.remove_dir root sw);
            cleandir (OpamPath.Switch.extra_files_dir root sw);
+           cleandir (OpamPath.Switch.last_env root sw);
            let pinning_overlay_dirs =
              List.map
                (fun nv -> OpamPath.Switch.Overlay.package root sw nv.name)