diff --git a/packages/compat/src/compat-app-builder.ts b/packages/compat/src/compat-app-builder.ts
index 779babc1a..21a397477 100644
--- a/packages/compat/src/compat-app-builder.ts
+++ b/packages/compat/src/compat-app-builder.ts
@@ -177,7 +177,6 @@ export class CompatAppBuilder {
           return {
             javascript: this.compatApp.findAppScript(scripts, entrypoint),
             implicitScripts: this.compatApp.findVendorScript(scripts, entrypoint),
-            testJavascript: this.compatApp.findTestScript(scripts),
           };
         },
       };
@@ -367,13 +366,6 @@ export class CompatAppBuilder {
         html.insertScriptTag(html.implicitScripts, script, { tag: 'fastboot-script' });
       }
     }
-
-    if (!asset.fileAsset.includeTests) {
-      return;
-    }
-
-    // Test-related assets happen below this point
-    html.insertScriptTag(html.javascript, '@embroider/core/test-entrypoint', { type: 'module' });
   }
 
   // recurse to find all active addons that don't cross an engine boundary.
diff --git a/packages/compat/src/compat-app.ts b/packages/compat/src/compat-app.ts
index c2cc51499..7d01f3c8a 100644
--- a/packages/compat/src/compat-app.ts
+++ b/packages/compat/src/compat-app.ts
@@ -750,12 +750,6 @@ export default class CompatApp {
     );
   }
 
-  findTestScript(scripts: HTMLScriptElement[]): HTMLScriptElement | undefined {
-    return scripts.find(
-      script => this.withoutRootURL(script.src) === this.legacyEmberAppInstance.options.outputPaths.tests.js
-    );
-  }
-
   readonly macrosConfig: MacrosConfig;
 
   constructor(readonly legacyEmberAppInstance: EmberAppInstance, _options?: Options) {
diff --git a/packages/core/src/ember-html.ts b/packages/core/src/ember-html.ts
index 0ec2e4a99..2670fe392 100644
--- a/packages/core/src/ember-html.ts
+++ b/packages/core/src/ember-html.ts
@@ -77,20 +77,16 @@ export class PreparedEmberHTML {
   dom: JSDOM;
   javascript: Placeholder;
   implicitScripts: Placeholder;
-  testJavascript: Placeholder;
 
   constructor(private asset: EmberAsset) {
     this.dom = new JSDOM(readFileSync(asset.sourcePath, 'utf8'));
     let html = asset.prepare(this.dom);
     this.javascript = Placeholder.find(html.javascript);
     this.implicitScripts = Placeholder.find(html.implicitScripts);
-    this.testJavascript = html.testJavascript
-      ? Placeholder.replacing(html.testJavascript)
-      : Placeholder.immediatelyAfter(this.javascript.end);
   }
 
   private placeholders(): Placeholder[] {
-    return [this.javascript, this.implicitScripts, this.testJavascript];
+    return [this.javascript, this.implicitScripts];
   }
 
   clear() {
diff --git a/test-packages/sample-transforms/tests/index.html b/test-packages/sample-transforms/tests/index.html
index 90c4145d7..422eec652 100644
--- a/test-packages/sample-transforms/tests/index.html
+++ b/test-packages/sample-transforms/tests/index.html
@@ -32,7 +32,7 @@
     <script src="/@embroider/core/vendor.js"></script>
     <script src="/@embroider/core/test-support.js"></script>
     <script src="/@embroider/core/entrypoint" type="module"></script>
-    <script src="{{rootURL}}assets/tests.js"></script>
+    <script src="/@embroider/core/test-entrypoint" type="module"></script>
 
     {{content-for "body-footer"}}
     {{content-for "test-body-footer"}}
diff --git a/tests/addon-template/tests/index.html b/tests/addon-template/tests/index.html
index e89e8b419..de37e0d93 100644
--- a/tests/addon-template/tests/index.html
+++ b/tests/addon-template/tests/index.html
@@ -31,7 +31,7 @@
     <script src="/@embroider/core/vendor.js"></script>
     <script src="/@embroider/core/test-support.js"></script>
     <script src="/@embroider/core/entrypoint" type="module"></script>
-    <script src="{{rootURL}}assets/tests.js"></script>
+    <script src="/@embroider/core/test-entrypoint" type="module"></script>
 
     {{content-for "body-footer"}}
     {{content-for "test-body-footer"}}
diff --git a/tests/app-template/tests/index.html b/tests/app-template/tests/index.html
index 5c94ceb16..c95767ea7 100644
--- a/tests/app-template/tests/index.html
+++ b/tests/app-template/tests/index.html
@@ -28,7 +28,7 @@
     <script src="/@embroider/core/vendor.js"></script>
     <script src="/@embroider/core/test-support.js"></script>
     <script src="/@embroider/core/entrypoint" type="module"></script>
-    <script src="{{rootURL}}assets/tests.js"></script>
+    <script src="/@embroider/core/test-entrypoint" type="module"></script>
 
     {{content-for "body-footer"}} {{content-for "test-body-footer"}}
   </body>
diff --git a/tests/fixtures/macro-test/tests/index.html b/tests/fixtures/macro-test/tests/index.html
index 1cb17eeee..a8883ee9b 100644
--- a/tests/fixtures/macro-test/tests/index.html
+++ b/tests/fixtures/macro-test/tests/index.html
@@ -37,7 +37,7 @@
     <script src="{{rootURL}}ordered.js"></script>
     <script src="/@embroider/core/test-support.js"></script>
     <script src="/@embroider/core/entrypoint" type="module"></script>
-    <script src="{{rootURL}}assets/tests.js"></script>
+    <script src="/@embroider/core/test-entrypoint" type="module"></script>
 
     {{content-for "body-footer"}}
     {{content-for "test-body-footer"}}
diff --git a/tests/ts-app-template/tests/index.html b/tests/ts-app-template/tests/index.html
index f72f2e7e9..a9bd2acaf 100644
--- a/tests/ts-app-template/tests/index.html
+++ b/tests/ts-app-template/tests/index.html
@@ -31,7 +31,7 @@
     <script src="/@embroider/core/vendor.js"></script>
     <script src="/@embroider/core/test-support.js"></script>
     <script src="/@embroider/core/entrypoint" type="module"></script>
-    <script src="{{rootURL}}assets/tests.js"></script>
+    <script src="/@embroider/core/test-entrypoint" type="module"></script>
 
     {{content-for "body-footer"}}
     {{content-for "test-body-footer"}}