diff --git a/.gn b/.gn
index 53a7f3a8..e7098bac 100644
--- a/.gn
+++ b/.gn
@@ -45,12 +45,6 @@ default_args = {
   # fixed addresses.
   v8_typed_array_max_size_in_heap = 0
 
-  # Enabling the shared read-only heap comes with a restriction that all
-  # isolates running at the same time must be created from the same snapshot.
-  # This is problematic for Deno, which has separate "runtime" and "typescript
-  # compiler" snapshots, and sometimes uses them both at the same time.
-  v8_enable_shared_ro_heap = false
-
   # V8 introduced a bug in 11.1 that causes the External Pointer Table to never
   # be cleaned which causes resource exhaustion. Disabling pointer compressio
   # makes sure that the EPT is not used