diff --git a/benchmark/lib/build.js b/benchmark/lib/build.js
index a3579014ad..082665bb94 100644
--- a/benchmark/lib/build.js
+++ b/benchmark/lib/build.js
@@ -2,6 +2,7 @@
 const rollup = require('rollup');
 const sourcemap = require('rollup-plugin-sourcemaps');
 const { terser } = require('rollup-plugin-terser');
+const strip = require('@rollup/plugin-strip');
 const path = require('path');
 const fs = require('fs-extra');
 const symlinkOrCopy = require('symlink-or-copy').sync;
@@ -32,6 +33,10 @@ async function build(dist, out) {
           semicolons: false,
         },
       }),
+      strip({
+        functions: ['assert', 'deprecate'],
+        sourceMap: true,
+      }),
     ],
     onwarn(warning) {
       let { code } = warning;
diff --git a/benchmark/package.json b/benchmark/package.json
index 1558822665..df66a65a74 100644
--- a/benchmark/package.json
+++ b/benchmark/package.json
@@ -9,6 +9,7 @@
     "@simple-dom/serializer": "^1.4.0"
   },
   "devDependencies": {
+    "@rollup/plugin-strip": "^2.0.1",
     "fs-extra": "*",
     "symlink-or-copy": "*",
     "rollup": "^2.24.0",
diff --git a/yarn.lock b/yarn.lock
index bd2775d55b..d726898ca8 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1529,6 +1529,11 @@
   resolved "https://registry.yarnpkg.com/@glimmer/env/-/env-0.1.7.tgz#fd2d2b55a9029c6b37a6c935e8c8871ae70dfa07"
   integrity sha1-/S0rVakCnGs3psk16MiHGucN+gc=
 
+"@glimmer/low-level@0.78.2":
+  version "0.78.2"
+  resolved "https://registry.yarnpkg.com/@glimmer/low-level/-/low-level-0.78.2.tgz#bca5f666760ce98345e87c5b3e37096e772cb2de"
+  integrity sha512-0S6TWOOd0fzLLysw1pWZN0TgasaHmYs1Sjz9Til1mTByIXU1S+1rhdyr2veSQPO/aRjPuEQyKXZQHvx23Zax6w==
+
 "@handlebars/parser@~2.0.0":
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/@handlebars/parser/-/parser-2.0.0.tgz#5e8b7298f31ff8f7b260e6b7363c7e9ceed7d9c5"
@@ -1664,7 +1669,16 @@
   dependencies:
     "@types/node" ">= 8"
 
-"@rollup/pluginutils@^3.0.9":
+"@rollup/plugin-strip@^2.0.1":
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/@rollup/plugin-strip/-/plugin-strip-2.0.1.tgz#276e7789a33ae0b10bc8522a20f187d8a6b6b550"
+  integrity sha512-+JJInHt/90Ta/ofCH+YHrI6nyDKe9jVzwBkmnakjDUMD+2QUTPHy60jep+kaMm4ARKWavtfmPbQp7e+xxAHU7g==
+  dependencies:
+    "@rollup/pluginutils" "^3.1.0"
+    estree-walker "^2.0.1"
+    magic-string "^0.25.7"
+
+"@rollup/pluginutils@^3.0.9", "@rollup/pluginutils@^3.1.0":
   version "3.1.0"
   resolved "https://registry.yarnpkg.com/@rollup/pluginutils/-/pluginutils-3.1.0.tgz#706b4524ee6dc8b103b3c995533e5ad680c02b9b"
   integrity sha512-GksZ6pr6TpIjHm8h9lSQ8pi8BE9VeubNT0OMJ3B5uZJ8pz73NPiqOtCog/x2/QzM1ENChPKxMDhiQuRHsqc+lg==
@@ -4618,6 +4632,11 @@ estree-walker@^1.0.1:
   resolved "https://registry.yarnpkg.com/estree-walker/-/estree-walker-1.0.1.tgz#31bc5d612c96b704106b477e6dd5d8aa138cb700"
   integrity sha512-1fMXF3YP4pZZVozF8j/ZLfvnR8NSIljt56UhbZ5PeeDmmGHpgpdwQt7ITlGvYaQukCvuBRMLEiKiYC+oeIg4cg==
 
+estree-walker@^2.0.1:
+  version "2.0.2"
+  resolved "https://registry.yarnpkg.com/estree-walker/-/estree-walker-2.0.2.tgz#52f010178c2a4c117a7757cfe942adb7d2da4cac"
+  integrity sha512-Rfkk/Mp/DL7JVje3u18FxFujQlTNR2q6QfMSMB7AvCBx91NGj/ba3kCfza0f6dVDbw7YlRf/nDrn7pQrCCyQ/w==
+
 esutils@^2.0.2:
   version "2.0.3"
   resolved "https://registry.yarnpkg.com/esutils/-/esutils-2.0.3.tgz#74d2eb4de0b8da1293711910d50775b9b710ef64"
@@ -6856,6 +6875,13 @@ macos-release@^2.2.0:
   resolved "https://registry.yarnpkg.com/macos-release/-/macos-release-2.4.1.tgz#64033d0ec6a5e6375155a74b1a1eba8e509820ac"
   integrity sha512-H/QHeBIN1fIGJX517pvK8IEK53yQOW7YcEI55oYtgjDdoCQQz7eJS94qt5kNrscReEyuD/JcdFCm2XBEcGOITg==
 
+magic-string@^0.25.7:
+  version "0.25.7"
+  resolved "https://registry.yarnpkg.com/magic-string/-/magic-string-0.25.7.tgz#3f497d6fd34c669c6798dcb821f2ef31f5445051"
+  integrity sha512-4CrMT5DOHTDk4HYDlzmwu4FVCcIYI8gauveasrdCu2IKIFOJ3f0v/8MDGJCDL9oD2ppz/Av1b0Nj345H9M+XIA==
+  dependencies:
+    sourcemap-codec "^1.4.4"
+
 make-dir@^3.0.0:
   version "3.1.0"
   resolved "https://registry.yarnpkg.com/make-dir/-/make-dir-3.1.0.tgz#415e967046b3a7f1d185277d84aa58203726a13f"
@@ -9218,6 +9244,11 @@ source-map@~0.1.x:
   dependencies:
     amdefine ">=0.0.4"
 
+sourcemap-codec@^1.4.4:
+  version "1.4.8"
+  resolved "https://registry.yarnpkg.com/sourcemap-codec/-/sourcemap-codec-1.4.8.tgz#ea804bd94857402e6992d05a38ef1ae35a9ab4c4"
+  integrity sha512-9NykojV5Uih4lgo5So5dtw+f0JgJX30KCNI8gwhz2J9A15wD0Ml6tjHKwf6fTSa6fAdVBdZeNOs9eJ71qCk8vA==
+
 sourcemap-validator@^1.1.0:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/sourcemap-validator/-/sourcemap-validator-1.1.1.tgz#3d7d8a399ccab09c1fedc510d65436e25b1c386b"