diff --git a/collector/benchmarks/html5ever/perf-config.json b/collector/benchmarks/html5ever/perf-config.json
index 24061f6a9..226774641 100644
--- a/collector/benchmarks/html5ever/perf-config.json
+++ b/collector/benchmarks/html5ever/perf-config.json
@@ -1,4 +1,3 @@
 {
-    "nll": false,
     "supports_stable": true
 }