diff --git a/AK/DefaultDelete.h b/AK/DefaultDelete.h
deleted file mode 100644
index be13a1018c..0000000000
--- a/AK/DefaultDelete.h
+++ /dev/null
@@ -1,35 +0,0 @@
-/*
- * Copyright (c) 2022, the SerenityOS developers.
- *
- * SPDX-License-Identifier: BSD-2-Clause
- */
-
-#pragma once
-
-namespace AK {
-
-template<class T>
-struct DefaultDelete {
-    constexpr DefaultDelete() = default;
-
-    constexpr void operator()(T* t)
-    {
-        delete t;
-    }
-};
-
-template<class T>
-struct DefaultDelete<T[]> {
-    constexpr DefaultDelete() = default;
-
-    constexpr void operator()(T* t)
-    {
-        delete[] t;
-    }
-};
-
-}
-
-#ifdef USING_AK_GLOBALLY
-using AK::DefaultDelete;
-#endif
diff --git a/AK/Forward.h b/AK/Forward.h
index a9e234e2cd..d88397d236 100644
--- a/AK/Forward.h
+++ b/AK/Forward.h
@@ -6,7 +6,6 @@
 
 #pragma once
 
-#include <AK/DefaultDelete.h>
 #include <AK/SinglyLinkedListSizePolicy.h>
 #include <AK/StdLibExtras.h>
 #include <AK/Types.h>
@@ -148,7 +147,7 @@ class Optional<FlyString>;
 template<typename T>
 class RefPtr;
 
-template<typename T, typename TDeleter = DefaultDelete<T>>
+template<typename T>
 class OwnPtr;
 
 template<typename T>
diff --git a/AK/OwnPtr.h b/AK/OwnPtr.h
index da72e5c2b7..52277cd825 100644
--- a/AK/OwnPtr.h
+++ b/AK/OwnPtr.h
@@ -15,7 +15,7 @@
 
 namespace AK {
 
-template<typename T, typename TDeleter>
+template<typename T>
 class [[nodiscard]] OwnPtr {
 public:
     OwnPtr() = default;
@@ -107,7 +107,7 @@ public:
     void clear()
     {
         auto* ptr = exchange(m_ptr, nullptr);
-        TDeleter {}(ptr);
+        delete ptr;
     }
 
     bool operator!() const { return !m_ptr; }
diff --git a/Tests/AK/TestOwnPtr.cpp b/Tests/AK/TestOwnPtr.cpp
index 1f73fbac8a..206f8c9e23 100644
--- a/Tests/AK/TestOwnPtr.cpp
+++ b/Tests/AK/TestOwnPtr.cpp
@@ -8,20 +8,6 @@
 
 #include <AK/OwnPtr.h>
 
-static u64 deleter_call_count = 0;
-
-TEST_CASE(should_call_custom_deleter)
-{
-    auto deleter = [](auto* p) { if (p) ++deleter_call_count; };
-    auto ptr = OwnPtr<u64, decltype(deleter)> {};
-    ptr.clear();
-    EXPECT_EQ(0u, deleter_call_count);
-    ptr = adopt_own_if_nonnull(&deleter_call_count);
-    EXPECT_EQ(0u, deleter_call_count);
-    ptr.clear();
-    EXPECT_EQ(1u, deleter_call_count);
-}
-
 TEST_CASE(destroy_self_owning_object)
 {
     struct SelfOwning {