diff --git a/Libraries/LibJS/Heap/Heap.cpp b/Libraries/LibJS/Heap/Heap.cpp
index 4ad48b5a97..b3853680c4 100644
--- a/Libraries/LibJS/Heap/Heap.cpp
+++ b/Libraries/LibJS/Heap/Heap.cpp
@@ -51,6 +51,7 @@ Heap::Heap(Interpreter& interpreter)
 
 Heap::~Heap()
 {
+    collect_garbage(CollectionType::CollectEverything);
 }
 
 Cell* Heap::allocate_cell(size_t size)
@@ -72,11 +73,13 @@ Cell* Heap::allocate_cell(size_t size)
     return cell;
 }
 
-void Heap::collect_garbage()
+void Heap::collect_garbage(CollectionType collection_type)
 {
-    HashTable<Cell*> roots;
-    gather_roots(roots);
-    mark_live_cells(roots);
+    if (collection_type == CollectionType::CollectGarbage) {
+        HashTable<Cell*> roots;
+        gather_roots(roots);
+        mark_live_cells(roots);
+    }
     sweep_dead_cells();
 }
 
diff --git a/Libraries/LibJS/Heap/Heap.h b/Libraries/LibJS/Heap/Heap.h
index 53ec59d225..8ed4d55b87 100644
--- a/Libraries/LibJS/Heap/Heap.h
+++ b/Libraries/LibJS/Heap/Heap.h
@@ -53,7 +53,12 @@ public:
         return static_cast<T*>(memory);
     }
 
-    void collect_garbage();
+    enum class CollectionType {
+        CollectGarbage,
+        CollectEverything,
+    };
+
+    void collect_garbage(CollectionType = CollectionType::CollectGarbage);
 
     Interpreter& interpreter() { return m_interpreter; }
 
diff --git a/Userland/js.cpp b/Userland/js.cpp
index 4c2cdc67f9..66e8316947 100644
--- a/Userland/js.cpp
+++ b/Userland/js.cpp
@@ -85,7 +85,5 @@ int main(int argc, char** argv)
     if (print_last_result)
         printf("%s\n", result.to_string().characters());
 
-    dbg() << "Collecting garbage on exit...";
-    interpreter.heap().collect_garbage();
     return 0;
 }