diff --git a/BUILD.gn b/BUILD.gn
index cd7117d65c..6cdd3f94d3 100644
--- a/BUILD.gn
+++ b/BUILD.gn
@@ -384,6 +384,12 @@ if (v8_enable_atomic_object_field_writes == "") {
 if (v8_enable_atomic_marking_state == "") {
   v8_enable_atomic_marking_state = v8_enable_concurrent_marking
 }
+if (v8_enable_third_party_heap) {
+  v8_disable_write_barriers = true
+  v8_enable_single_generation = true
+  v8_enable_shared_ro_heap = false
+  v8_enable_pointer_compression = false
+}
 assert(!v8_enable_concurrent_marking || v8_enable_atomic_object_field_writes,
        "Concurrent marking requires atomic object field writes.")
 assert(!v8_enable_concurrent_marking || v8_enable_atomic_marking_state,
diff --git a/src/flags/flag-definitions.h b/src/flags/flag-definitions.h
index 7f980f9f82..0dd4f2252d 100644
--- a/src/flags/flag-definitions.h
+++ b/src/flags/flag-definitions.h
@@ -383,6 +383,11 @@ DEFINE_IMPLICATION(lite_mode, optimize_for_size)
 DEFINE_NEG_IMPLICATION(enable_third_party_heap, inline_new)
 DEFINE_NEG_IMPLICATION(enable_third_party_heap, allocation_site_pretenuring)
 DEFINE_NEG_IMPLICATION(enable_third_party_heap, turbo_allocation_folding)
+DEFINE_NEG_IMPLICATION(enable_third_party_heap, concurrent_recompilation)
+DEFINE_NEG_IMPLICATION(enable_third_party_heap, concurrent_inlining)
+DEFINE_NEG_IMPLICATION(enable_third_party_heap,
+                       finalize_streaming_on_background)
+DEFINE_NEG_IMPLICATION(enable_third_party_heap, use_marking_progress_bar)
 
 DEFINE_BOOL_READONLY(enable_third_party_heap, V8_ENABLE_THIRD_PARTY_HEAP_BOOL,
                      "Use third-party heap")