diff --git a/examples/perf/plain/package-lock.json b/examples/perf/plain/package-lock.json
index 1f58dad..4ff9f60 100644
--- a/examples/perf/plain/package-lock.json
+++ b/examples/perf/plain/package-lock.json
@@ -44,12 +44,6 @@
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           "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.1.tgz",
@@ -76,12 +70,6 @@
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@@ -124,14 +112,6 @@
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         "@babel/types": "^7.0.0",
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-      },
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-        }
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@@ -203,14 +183,6 @@
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-          "dev": true
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     "@babel/helper-optimise-call-expression": {
@@ -235,14 +207,6 @@
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-        }
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     "@babel/helper-remap-async-to-generator": {
@@ -540,14 +504,6 @@
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@@ -1002,12 +958,6 @@
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@@ -1027,12 +977,6 @@
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@@ -4402,9 +4346,9 @@
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+      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.21.tgz",
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@@ -6518,7 +6462,7 @@
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-          "resolved": "http://registry.npmjs.org/readable-stream/-/readable-stream-2.3.6.tgz",
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