diff --git a/theatre/devEnv/utils.ts b/theatre/devEnv/utils.ts
deleted file mode 100644
index 84a4beb..0000000
--- a/theatre/devEnv/utils.ts
+++ /dev/null
@@ -1,60 +0,0 @@
-import path from 'path'
-import {build} from 'esbuild'
-
-export const definedGlobals = {
-  global: 'window',
-  'process.env.version': JSON.stringify(
-    require('../studio/package.json').version,
-  ),
-}
-
-const a: any = 'hi'
-
-export function createBundles() {
-  for (const which of ['core', 'studio']) {
-    const pathToPackage = path.join(__dirname, '../', which)
-    const esbuildConfig: Parameters<typeof build>[0] = {
-      entryPoints: [path.join(pathToPackage, 'src/index.ts')],
-      target: ['firefox88', 'chrome90'],
-      loader: {'.png': 'file'},
-      bundle: true,
-      sourcemap: true,
-      define: definedGlobals,
-      external: ['@theatre/dataverse'],
-    }
-
-    if (which === 'core') {
-      esbuildConfig.platform = 'neutral'
-      esbuildConfig.mainFields = ['browser', 'module', 'main']
-      esbuildConfig.target = ['firefox57', 'chrome58']
-      esbuildConfig.conditions = ['browser', 'node']
-    }
-
-    build({
-      ...esbuildConfig,
-      outfile: path.join(pathToPackage, 'dist/index.cjs'),
-      format: 'cjs',
-    })
-
-    build({
-      ...esbuildConfig,
-      outfile: path.join(pathToPackage, 'dist/index.mjs'),
-      format: 'esm',
-    })
-
-    build({
-      ...esbuildConfig,
-      outfile: path.join(pathToPackage, 'dist/index.min.js'),
-      format: 'iife',
-      external: [],
-      minify: true,
-      globalName: `Theatre.${which}`,
-      legalComments: 'external',
-      platform: 'browser',
-      define: {
-        ...definedGlobals,
-        'process.env.NODE_ENV': JSON.stringify('production'),
-      },
-    })
-  }
-}