diff --git a/.changeset/witty-tires-flow.md b/.changeset/witty-tires-flow.md
new file mode 100644
index 00000000000..cccc67dcd1d
--- /dev/null
+++ b/.changeset/witty-tires-flow.md
@@ -0,0 +1,5 @@
+---
+'@tanstack/router-core': patch
+---
+
+defer `$_TSR` teardown until DOMContentLoaded
diff --git a/packages/router-core/src/ssr/tsrScript.ts b/packages/router-core/src/ssr/tsrScript.ts
index 69c9abe05d5..0c4b8f703b6 100644
--- a/packages/router-core/src/ssr/tsrScript.ts
+++ b/packages/router-core/src/ssr/tsrScript.ts
@@ -9,8 +9,17 @@ self.$_TSR = {
   },
   c() {
     if (this.hydrated && this.streamEnded) {
-      delete self.$_TSR
-      delete self.$R['tsr']
+      const cleanup = () => {
+        if (self.$_TSR?.hydrated && self.$_TSR?.streamEnded) {
+          delete self.$_TSR
+          delete self.$R['tsr']
+        }
+      }
+      if (document.readyState === 'loading') {
+        document.addEventListener('DOMContentLoaded', cleanup, { once: true })
+      } else {
+        cleanup()
+      }
     }
   },
   p(script) {