diff --git a/packages/compat/src/default-pipeline.ts b/packages/compat/src/default-pipeline.ts
index ebd0077e6..0d901d3d2 100644
--- a/packages/compat/src/default-pipeline.ts
+++ b/packages/compat/src/default-pipeline.ts
@@ -1,56 +1,16 @@
 import type Options from './options';
 import { recommendedOptions } from './options';
 import { App, Addons as CompatAddons } from '.';
-import type { PackagerConstructor, Variant, EmberAppInstance } from '@embroider/core';
-import { toBroccoliPlugin } from '@embroider/core';
-import { tmpdir } from '@embroider/core';
+import type { Variant, EmberAppInstance } from '@embroider/core';
 import type { Node } from 'broccoli-node-api';
 import writeFile from 'broccoli-file-creator';
 import mergeTrees from 'broccoli-merge-trees';
-import { createHash } from 'crypto';
-import { join, dirname } from 'path';
-import { sync as pkgUpSync } from 'pkg-up';
 
 export interface PipelineOptions<PackagerOptions> extends Options {
   packagerOptions?: PackagerOptions;
   variants?: Variant[];
 }
 
-export function stableWorkspaceDir(appRoot: string, environment: string) {
-  let hash = createHash('md5');
-  hash.update(dirname(pkgUpSync({ cwd: appRoot })!));
-  hash.update(environment);
-  return join(tmpdir, 'embroider', hash.digest('hex').slice(0, 6));
-}
-
-export default function defaultPipeline<PackagerOptions>(
-  emberApp: EmberAppInstance,
-  packager?: PackagerConstructor<PackagerOptions>,
-  options: PipelineOptions<PackagerOptions> = {}
-): Node {
-  let outputPath: string;
-  let addons;
-
-  let embroiderApp = new App(emberApp, options);
-
-  addons = new CompatAddons(embroiderApp);
-  addons.ready().then(result => {
-    outputPath = result.outputPath;
-  });
-
-  if (process.env.STAGE1_ONLY) {
-    return mergeTrees([addons.tree, writeFile('.stage1-output', () => outputPath)]);
-  }
-
-  if (process.env.STAGE2_ONLY || !packager) {
-    return mergeTrees([embroiderApp.asStage(addons).tree, writeFile('.stage2-output', () => outputPath)]);
-  }
-
-  let BroccoliPackager = toBroccoliPlugin(packager);
-  let variants = (options && options.variants) || defaultVariants(emberApp);
-  return new BroccoliPackager(embroiderApp.asStage(addons), variants, options && options.packagerOptions);
-}
-
 const defaultPrebuildOptions = {
   ...recommendedOptions.optimized,
   amdCompatibility: {
@@ -75,32 +35,3 @@ export function prebuild(emberApp: EmberAppInstance, options?: Options): Node {
 
   return mergeTrees([embroiderApp.asStage(addons).tree, writeFile('.stage2-output', () => outputPath)]);
 }
-
-function hasFastboot(emberApp: EmberAppInstance | EmberAppInstance) {
-  return emberApp.project.addons.find(a => a.name === 'ember-cli-fastboot');
-}
-
-function defaultVariants(emberApp: EmberAppInstance): Variant[] {
-  let variants: Variant[] = [];
-  if (emberApp.env === 'production') {
-    variants.push({
-      name: 'browser',
-      runtime: 'browser',
-      optimizeForProduction: true,
-    });
-    if (hasFastboot(emberApp)) {
-      variants.push({
-        name: 'fastboot',
-        runtime: 'fastboot',
-        optimizeForProduction: true,
-      });
-    }
-  } else {
-    variants.push({
-      name: 'dev',
-      runtime: hasFastboot(emberApp) ? 'all' : 'browser',
-      optimizeForProduction: false,
-    });
-  }
-  return variants;
-}
diff --git a/packages/compat/src/index.ts b/packages/compat/src/index.ts
index 313e45051..ff459ffff 100644
--- a/packages/compat/src/index.ts
+++ b/packages/compat/src/index.ts
@@ -2,5 +2,5 @@ export { default as App } from './compat-app';
 export { default as Addons } from './compat-addons';
 export { default as Options, recommendedOptions } from './options';
 export { default as V1Addon } from './v1-addon';
-export { default as compatBuild, prebuild, PipelineOptions } from './default-pipeline';
+export { prebuild, PipelineOptions } from './default-pipeline';
 export { PackageRules, ModuleRules } from './dependency-rules';
diff --git a/packages/core/src/index.ts b/packages/core/src/index.ts
index 4669188b6..ef8d1c435 100644
--- a/packages/core/src/index.ts
+++ b/packages/core/src/index.ts
@@ -9,7 +9,6 @@ export {
 export { HTMLEntrypoint, BundleSummary } from './html-entrypoint';
 export { default as Stage } from './stage';
 export { default as Options, optionsWithDefaults } from './options';
-export { default as toBroccoliPlugin } from './to-broccoli-plugin';
 export { default as WaitForTrees, OutputPaths } from './wait-for-trees';
 export { compile as jsHandlebarsCompile } from './js-handlebars';
 export { todo, unsupported, warn, debug, expectWarning, throwOnWarnings } from './messages';
diff --git a/packages/core/src/to-broccoli-plugin.ts b/packages/core/src/to-broccoli-plugin.ts
deleted file mode 100644
index 8c5621bcc..000000000
--- a/packages/core/src/to-broccoli-plugin.ts
+++ /dev/null
@@ -1,37 +0,0 @@
-import Plugin from 'broccoli-plugin';
-import type { Packager, PackagerConstructor, Variant } from './packager';
-import type Stage from './stage';
-import { tmpdir } from '@embroider/shared-internals';
-
-interface BroccoliPackager<Options> {
-  new (stage: Stage, variants: Variant[], options?: Options): Plugin;
-}
-
-export default function toBroccoliPlugin<Options>(
-  packagerClass: PackagerConstructor<Options>
-): BroccoliPackager<Options> {
-  class PackagerRunner extends Plugin {
-    private packager: Packager | undefined;
-    constructor(private stage: Stage, private variants: Variant[], private options?: Options) {
-      super([stage.tree], {
-        persistentOutput: true,
-        needsCache: false,
-        annotation: packagerClass.annotation,
-      });
-    }
-
-    async build() {
-      if (!this.packager) {
-        this.packager = new packagerClass(
-          this.stage.inputPath,
-          this.outputPath,
-          this.variants,
-          msg => console.log(msg.split(tmpdir).join('$TMPDIR')),
-          this.options
-        );
-      }
-      return this.packager.build();
-    }
-  }
-  return PackagerRunner;
-}