diff --git a/packages/builder/package.json b/packages/builder/package.json
index 6d8502eecd..e49b75f28f 100644
--- a/packages/builder/package.json
+++ b/packages/builder/package.json
@@ -44,16 +44,14 @@
       "^.+.svelte$": "svelte-jester"
     },
     "transformIgnorePatterns": [
-      "/node_modules/(?!svelte).+\\.js$"
+      "/node_modules/(?!svelte).+\\.js$",
+      ".*string-templates.*"
     ],
     "modulePathIgnorePatterns": [
       "<rootDir>/cypress/"
     ],
     "setupFilesAfterEnv": [
       "@testing-library/jest-dom/extend-expect"
-    ],
-    "setupFiles": [
-      "./scripts/jestSetup.js"
     ]
   },
   "eslintConfig": {
@@ -88,17 +86,10 @@
     "yup": "0.29.2"
   },
   "devDependencies": {
-    "@babel/core": "^7.12.14",
-    "@babel/plugin-transform-runtime": "^7.13.10",
-    "@babel/preset-env": "^7.13.12",
-    "@babel/runtime": "^7.13.10",
     "@rollup/plugin-alias": "^3.0.1",
     "@rollup/plugin-commonjs": "^16.0.0",
     "@rollup/plugin-json": "^4.0.3",
     "@sveltech/routify": "1.7.11",
-    "@testing-library/jest-dom": "^5.11.10",
-    "@testing-library/svelte": "^3.0.0",
-    "babel-jest": "^26.6.3",
     "cypress": "^5.1.0",
     "cypress-terminal-report": "^1.4.1",
     "eslint-plugin-cypress": "^2.11.1",
diff --git a/packages/builder/scripts/jestSetup.js b/packages/builder/scripts/jestSetup.js
deleted file mode 100644
index ed2b7da3fd..0000000000
--- a/packages/builder/scripts/jestSetup.js
+++ /dev/null
@@ -1,26 +0,0 @@
-// Array.flat needs polyfilled in < Node 11
-if (!Array.prototype.flat) {
-  Object.defineProperty(Array.prototype, "flat", {
-    configurable: true,
-    value: function flat() {
-      var depth = isNaN(arguments[0]) ? 1 : Number(arguments[0])
-
-      return depth
-        ? Array.prototype.reduce.call(
-            this,
-            function(acc, cur) {
-              if (Array.isArray(cur)) {
-                acc.push.apply(acc, flat.call(cur, depth - 1))
-              } else {
-                acc.push(cur)
-              }
-
-              return acc
-            },
-            []
-          )
-        : Array.prototype.slice.call(this)
-    },
-    writable: true,
-  })
-}