diff --git a/index.js b/index.js
index 1c34e23..83f7a8f 100644
--- a/index.js
+++ b/index.js
@@ -25,7 +25,7 @@ function toJsonldDataset (dataset) {
 }
 
 function normalize (dataset) {
-  const canonize = new RDFC10Sync()
+  const canonize = new RDFC10Sync({ maxDeepIterations: 500 })
 
   return canonize.main(toJsonldDataset(dataset))
 }
diff --git a/test/test.js b/test/test.js
index d9b9b97..c186345 100644
--- a/test/test.js
+++ b/test/test.js
@@ -22,7 +22,6 @@ async function loadTest (dataset, term) {
 
   const action = [...dataset.match(term, ns.action)][0]?.object.value
   const result = [...dataset.match(term, ns.result)][0]?.object.value
-  const complexity = [...dataset.match(term, ns.complexity)][0]?.object.value
 
   if (!action || !result) {
     return null
@@ -33,11 +32,6 @@ async function loadTest (dataset, term) {
     return null
   }
 
-  // ignore all medium or high complexity tests
-  if (complexity === 'medium' || complexity === 'high') {
-    return null
-  }
-
   const input = await readFileDataset(action)
   const expected = await readFileContent(result)