diff --git a/Libraries/LibJS/Runtime/GlobalObject.cpp b/Libraries/LibJS/Runtime/GlobalObject.cpp
index baaf16f62e..4b9497efd1 100644
--- a/Libraries/LibJS/Runtime/GlobalObject.cpp
+++ b/Libraries/LibJS/Runtime/GlobalObject.cpp
@@ -57,15 +57,6 @@
 
 namespace JS {
 
-template<typename ConstructorType>
-void GlobalObject::add_constructor(const FlyString& property_name, ConstructorType*& constructor, Object& prototype)
-{
-    constructor = heap().allocate<ConstructorType>();
-    constructor->put("name", js_string(heap(), property_name), Attribute::Configurable);
-    prototype.put("constructor", constructor);
-    put(property_name, constructor, Attribute::Writable | Attribute::Configurable);
-}
-
 GlobalObject::GlobalObject()
     : Object(nullptr)
 {
diff --git a/Libraries/LibJS/Runtime/GlobalObject.h b/Libraries/LibJS/Runtime/GlobalObject.h
index 811cc28007..9d6c52c8b7 100644
--- a/Libraries/LibJS/Runtime/GlobalObject.h
+++ b/Libraries/LibJS/Runtime/GlobalObject.h
@@ -26,6 +26,7 @@
 
 #pragma once
 
+#include <LibJS/Heap/Heap.h>
 #include <LibJS/Runtime/Object.h>
 
 namespace JS {
@@ -67,4 +68,13 @@ private:
 #undef __JS_ENUMERATE
 };
 
+template<typename ConstructorType>
+inline void GlobalObject::add_constructor(const FlyString& property_name, ConstructorType*& constructor, Object& prototype)
+{
+    constructor = heap().allocate<ConstructorType>();
+    constructor->put("name", js_string(heap(), property_name), Attribute::Configurable);
+    prototype.put("constructor", constructor);
+    put(property_name, constructor, Attribute::Writable | Attribute::Configurable);
+}
+
 }