diff --git a/AK/IntrusiveList.h b/AK/IntrusiveList.h
index 43b1ca72ba..fe37e4a669 100644
--- a/AK/IntrusiveList.h
+++ b/AK/IntrusiveList.h
@@ -46,7 +46,7 @@ private:
 template<class T, typename Container, IntrusiveListNode<T, Container> T::*member>
 class IntrusiveList {
 public:
-    IntrusiveList();
+    IntrusiveList() = default;
     ~IntrusiveList();
 
     void clear();
@@ -165,11 +165,6 @@ inline typename IntrusiveList<T, Container, member>::Iterator& IntrusiveList<T,
     return *this;
 }
 
-template<class T, typename Container, IntrusiveListNode<T, Container> T::*member>
-inline IntrusiveList<T, Container, member>::IntrusiveList()
-{
-}
-
 template<class T, typename Container, IntrusiveListNode<T, Container> T::*member>
 inline IntrusiveList<T, Container, member>::~IntrusiveList()
 {