diff --git a/packages/core/parcel-bundler/src/transforms/posthtml.js b/packages/core/parcel-bundler/src/transforms/posthtml.js
index e65aee23939..43ef542977d 100644
--- a/packages/core/parcel-bundler/src/transforms/posthtml.js
+++ b/packages/core/parcel-bundler/src/transforms/posthtml.js
@@ -7,7 +7,6 @@ async function parse(code, asset) {
if (!config) {
config = {};
}
- config = Object.assign({lowerCaseAttributeNames: true}, config);
return posthtmlParse(code, config);
}
diff --git a/packages/core/parcel-bundler/test/html.js b/packages/core/parcel-bundler/test/html.js
index 86576636b2e..ed3962951e4 100644
--- a/packages/core/parcel-bundler/test/html.js
+++ b/packages/core/parcel-bundler/test/html.js
@@ -320,7 +320,7 @@ describe('html', function() {
// minifySvg is false
assert(
html.includes(
- ''
+ ''
)
);
});