diff --git a/test/interface-tests.spec.js b/test/interface-tests.spec.js
index cc849751f..b2068aa85 100644
--- a/test/interface-tests.spec.js
+++ b/test/interface-tests.spec.js
@@ -1,6 +1,5 @@
 /* eslint-env mocha */
 
-import { isWebWorker } from 'ipfs-utils/src/env.js'
 import { isWindows, isFirefox, isChrome } from './constants.js'
 import * as tests from './interface-tests/src/index.js'
 import { factory } from './utils/factory.js'
@@ -245,18 +244,12 @@ function executeTests (commonFactory) {
   })
 
   tests.pin(commonFactory, {
-    skip: [
-    ].concat(isWebWorker
-      ? [
-          'should pin dag-cbor' // only seems to fail when running all tests together.
-        ].map((name) => ({ name, reason: 'FIXME: https://github.com/ipfs/js-kubo-rpc-client/issues/56' }))
+    skip: [].concat(isChrome
+      ? [{
+          name: 'should default to blocking pin',
+          reason: 'FIXME: intermittently failing. see https://github.com/ipfs/js-kubo-rpc-client/issues/56'
+        }]
       : [])
-      .concat(isChrome
-        ? [{
-            name: 'should default to blocking pin',
-            reason: 'FIXME: intermittently failing. see https://github.com/ipfs/js-kubo-rpc-client/issues/56'
-          }]
-        : [])
   })
 
   tests.ping(commonFactory, {