diff --git a/maintainers/flake-module.nix b/maintainers/flake-module.nix
index c509eb85b..e5b38a931 100644
--- a/maintainers/flake-module.nix
+++ b/maintainers/flake-module.nix
@@ -137,7 +137,6 @@
               ''^tests/functional/local-overlay-store/gc-inner\.sh$''
               ''^tests/functional/local-overlay-store/gc\.sh$''
               ''^tests/functional/local-overlay-store/optimise-inner\.sh$''
-              ''^tests/functional/local-overlay-store/optimise\.sh$''
               ''^tests/functional/logging\.sh$''
               ''^tests/functional/misc\.sh$''
               ''^tests/functional/multiple-outputs\.sh$''
diff --git a/tests/functional/local-overlay-store/redundant-add.sh b/tests/functional/local-overlay-store/redundant-add.sh
index b4f04b2e1..898c3ffeb 100755
--- a/tests/functional/local-overlay-store/redundant-add.sh
+++ b/tests/functional/local-overlay-store/redundant-add.sh
@@ -1,3 +1,4 @@
+# shellcheck shell=bash
 source common.sh
 source ../common/init.sh