diff --git a/include/v8.h b/include/v8.h
index 7c28e38e939..9751ba348a3 100644
--- a/include/v8.h
+++ b/include/v8.h
@@ -8496,7 +8496,6 @@ class V8_EXPORT Isolate {
 
   void SetArrayBufferAllocatorShared(
                                      std::shared_ptr<ArrayBuffer::Allocator> allocator);
-
   /**
    * Stack-allocated class which sets the isolate for all operations
    * executed within a local scope.
diff --git a/src/snapshot/code-serializer.cc b/src/snapshot/code-serializer.cc
index c9630bd6df4..882f4819dab 100644
--- a/src/snapshot/code-serializer.cc
+++ b/src/snapshot/code-serializer.cc
@@ -333,7 +333,6 @@ MaybeHandle<SharedFunctionInfo> CodeSerializer::Deserialize(
   if (!maybe_result.ToHandle(&result)) {
     // Deserializing may fail if the reservations cannot be fulfilled.
     if (FLAG_profile_deserialization) PrintF("[Deserializing failed]\n");
-    cached_data->Reject();
     return MaybeHandle<SharedFunctionInfo>();
   }
 
diff --git a/src/snapshot/deserializer.cc b/src/snapshot/deserializer.cc
index 9a44d23ba4b..b1e1d61588d 100644
--- a/src/snapshot/deserializer.cc
+++ b/src/snapshot/deserializer.cc
@@ -237,9 +237,7 @@ Deserializer::Deserializer(Isolate* isolate, Vector<const byte> payload,
     }
   }
 #endif  // DEBUG
-  bool ret =
-    (magic_number_ == SerializedData::kMagicNumber);
-  valid_ = ret;
+  CHECK_EQ(magic_number_, SerializedData::kMagicNumber);
 }
 
 void Deserializer::Rehash() {
diff --git a/src/snapshot/deserializer.h b/src/snapshot/deserializer.h
index 104edbb1068..e0409a4fd61 100644
--- a/src/snapshot/deserializer.h
+++ b/src/snapshot/deserializer.h
@@ -130,8 +130,6 @@ class V8_EXPORT_PRIVATE Deserializer : public SerializerDeserializer {
 
   Handle<HeapObject> ReadObject();
 
-  bool valid_ = true;
-
  private:
   class RelocInfoVisitor;
   // A circular queue of hot objects. This is added to in the same order as in
diff --git a/src/snapshot/object-deserializer.cc b/src/snapshot/object-deserializer.cc
index 308f54d7b4a..5747f705ae5 100644
--- a/src/snapshot/object-deserializer.cc
+++ b/src/snapshot/object-deserializer.cc
@@ -43,8 +43,6 @@ ObjectDeserializer::DeserializeSharedFunctionInfoOffThread(
 
 MaybeHandle<HeapObject> ObjectDeserializer::Deserialize() {
   DCHECK(deserializing_user_code());
-  if (!valid_)
-    return MaybeHandle<HeapObject>();
   HandleScope scope(isolate());
   Handle<HeapObject> result;
   {