diff --git a/package.json b/package.json
index 4116a5fd..a272e698 100644
--- a/package.json
+++ b/package.json
@@ -26,7 +26,7 @@
   "web-types": "editors/jetbrains/htmx.web-types.json",
   "scripts": {
     "dist": "./scripts/dist.sh",
-    "lint": "eslint src/htmx.js",
+    "lint": "eslint src/htmx.js test/attributes/ test/core/ test/util/",
     "format": "eslint --fix src/htmx.js test/attributes/ test/core/ test/util/",
     "test": "mocha-chrome test/index.html",
     "test-types": "tsc --project ./jsconfig.json",
@@ -55,6 +55,7 @@
       "no-unused-vars": 0,
       "no-useless-call": 0,
       "no-useless-escape": 0,
+      "no-unused-expressions": 0,
       "space-before-function-paren": [
         "error",
         "never"
diff --git a/test/core/ajax.js b/test/core/ajax.js
index 42d733a6..2d515570 100644
--- a/test/core/ajax.js
+++ b/test/core/ajax.js
@@ -642,7 +642,7 @@ describe("Core htmx AJAX Tests", function(){
             this.server.respond();
             foo.bar().should.equal(42);
         } finally {
-            delete foo;
+            delete window.foo;
         }
     });
 
diff --git a/test/core/shadowdom.js b/test/core/shadowdom.js
index 7be737f9..a4b864ff 100644
--- a/test/core/shadowdom.js
+++ b/test/core/shadowdom.js
@@ -706,7 +706,7 @@ describe("Core htmx Shadow DOM Tests", function() {
             this.server.respond();
             foo.bar().should.equal(42);
         } finally {
-            delete foo;
+            delete window.foo;
         }
     });