diff --git a/bench.js b/bench.js
index afd1182..e2a1649 100644
--- a/bench.js
+++ b/bench.js
@@ -93,7 +93,8 @@ queue.push({
     },
     prepare: null,
     fn: function(){
-        lib.remove(_index++);
+        //lib.remove(_index++);
+        lib.remove(text_data);
     },
     end: null,
     complete: null,
diff --git a/test/flexsearch-0.8.0/index.html b/test/flexsearch-0.8.0/index.html
index d84d0fe..f5bcddf 100644
--- a/test/flexsearch-0.8.0/index.html
+++ b/test/flexsearch-0.8.0/index.html
@@ -23,7 +23,7 @@
             lib = new Index({
                 tokenize: "strict",
                 resolution: 1,
-                fastupdate: false,
+                fastupdate: true,
                 encoder: new Encoder({
                     assign: DefaultEncoder,
                     include: {