diff --git a/packages/next/src/client/app-index.tsx b/packages/next/src/client/app-index.tsx
index 88063a5c625296..aeef8bda325870 100644
--- a/packages/next/src/client/app-index.tsx
+++ b/packages/next/src/client/app-index.tsx
@@ -155,7 +155,13 @@ if (document.readyState === 'loading') {
 }
 
 const nextServerDataLoadingGlobal = (self.__next_f = self.__next_f || [])
+
+// Consume all buffered chunks and clear the global data array right after to release memory.
+// Otherwise it will be retained indefinitely.
 nextServerDataLoadingGlobal.forEach(nextServerDataCallback)
+nextServerDataLoadingGlobal.length = 0
+
+// Patch its push method so subsequent chunks are handled (but not actually pushed to the array).
 nextServerDataLoadingGlobal.push = nextServerDataCallback
 
 const readable = new ReadableStream({