diff --git a/README.md b/README.md
index ea48fd9..e6a206d 100644
--- a/README.md
+++ b/README.md
@@ -259,8 +259,8 @@ a CAR file.
 
 **Parameters:**
 
-* **`root`** _(`Block`)_: the root of the graph to start at, this block will be
-  included in the CAR and its CID will be set as the single root.
+* **`root`** _(`CID`)_: the CID of the root of the graph to start at, this block
+  will be included in the CAR and the CID will be set as the single root.
 * **`get`** _(`AsyncFunction`)_: an `async` function that takes a CID and returns
   a `Block`. Can be used to attach to an arbitrary data store.
 * **`car`** _(`CarDatastore`)_: a writable `CarDatastore` that has not yet been
diff --git a/package.json b/package.json
index f31960f..66dd8ad 100644
--- a/package.json
+++ b/package.json
@@ -9,9 +9,7 @@
   },
   "scripts": {
     "lint": "standard",
-    "test:browser": "polendina --cleanup test/test-readbuffer.js test/test-query.js",
-    "test:node": "hundreds mocha test/test-*.js",
-    "test": "npm run lint && npm run test:node && npm run test:browser",
+    "test": "npm run lint && hundreds mocha test/test-*.js",
     "docs": "jsdoc4readme --readme *.js lib/raw.js",
     "coverage": "c8 --reporter=html --reporter=text mocha test/test-*.js && npx st -d coverage -p 8888"
   },
@@ -41,7 +39,6 @@
     "ipld-dag-pb": "^0.18.5",
     "jsdoc4readme": "^1.3.0",
     "mocha": "^7.2.0",
-    "polendina": "^1.0.0",
     "standard": "^14.3.4"
   },
   "dependencies": {