diff --git a/Meta/Lagom/Tools/CodeGenerators/LibWeb/BindingsGenerator/IDLGenerators.cpp b/Meta/Lagom/Tools/CodeGenerators/LibWeb/BindingsGenerator/IDLGenerators.cpp
index 49f3fa9d763..01859e556b9 100644
--- a/Meta/Lagom/Tools/CodeGenerators/LibWeb/BindingsGenerator/IDLGenerators.cpp
+++ b/Meta/Lagom/Tools/CodeGenerators/LibWeb/BindingsGenerator/IDLGenerators.cpp
@@ -2838,6 +2838,7 @@ void generate_iterator_prototype_implementation(IDL::Interface const& interface)
 
     generator.append(R"~~~(
 #include <AK/Function.h>
+#include <AK/TypeCasts.h>
 #include <LibJS/Runtime/Array.h>
 #include <LibJS/Runtime/Error.h>
 #include <LibJS/Runtime/FunctionObject.h>
diff --git a/Userland/Libraries/LibJS/Bytecode/Op.cpp b/Userland/Libraries/LibJS/Bytecode/Op.cpp
index f8e69a79109..bf22532338d 100644
--- a/Userland/Libraries/LibJS/Bytecode/Op.cpp
+++ b/Userland/Libraries/LibJS/Bytecode/Op.cpp
@@ -7,6 +7,7 @@
  */
 
 #include <AK/HashTable.h>
+#include <LibJS/AST.h>
 #include <LibJS/Bytecode/Interpreter.h>
 #include <LibJS/Bytecode/Op.h>
 #include <LibJS/Runtime/AbstractOperations.h>
@@ -22,6 +23,7 @@
 #include <LibJS/Runtime/IteratorOperations.h>
 #include <LibJS/Runtime/NativeFunction.h>
 #include <LibJS/Runtime/ObjectEnvironment.h>
+#include <LibJS/Runtime/Reference.h>
 #include <LibJS/Runtime/RegExpObject.h>
 #include <LibJS/Runtime/Value.h>
 
diff --git a/Userland/Libraries/LibJS/CyclicModule.cpp b/Userland/Libraries/LibJS/CyclicModule.cpp
index 41be2749f70..92a16c5019b 100644
--- a/Userland/Libraries/LibJS/CyclicModule.cpp
+++ b/Userland/Libraries/LibJS/CyclicModule.cpp
@@ -4,6 +4,7 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
+#include <LibJS/AST.h>
 #include <LibJS/CyclicModule.h>
 #include <LibJS/Runtime/PromiseCapability.h>
 #include <LibJS/Runtime/PromiseConstructor.h>
diff --git a/Userland/Libraries/LibJS/Runtime/AbstractOperations.h b/Userland/Libraries/LibJS/Runtime/AbstractOperations.h
index affb1a63e03..7ba8d4237f2 100644
--- a/Userland/Libraries/LibJS/Runtime/AbstractOperations.h
+++ b/Userland/Libraries/LibJS/Runtime/AbstractOperations.h
@@ -8,7 +8,6 @@
 
 #include <AK/Forward.h>
 #include <LibCrypto/Forward.h>
-#include <LibJS/AST.h>
 #include <LibJS/Forward.h>
 #include <LibJS/Heap/MarkedVector.h>
 #include <LibJS/Runtime/CanonicalIndex.h>
diff --git a/Userland/Libraries/LibJS/Runtime/ArrayBufferConstructor.cpp b/Userland/Libraries/LibJS/Runtime/ArrayBufferConstructor.cpp
index f285ed6096a..4b7840c9edf 100644
--- a/Userland/Libraries/LibJS/Runtime/ArrayBufferConstructor.cpp
+++ b/Userland/Libraries/LibJS/Runtime/ArrayBufferConstructor.cpp
@@ -4,6 +4,7 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
+#include <AK/TypeCasts.h>
 #include <LibJS/Runtime/ArrayBuffer.h>
 #include <LibJS/Runtime/ArrayBufferConstructor.h>
 #include <LibJS/Runtime/DataView.h>
diff --git a/Userland/Libraries/LibJS/Runtime/AsyncFunctionDriverWrapper.cpp b/Userland/Libraries/LibJS/Runtime/AsyncFunctionDriverWrapper.cpp
index 4226026f882..b8bf7c5fe37 100644
--- a/Userland/Libraries/LibJS/Runtime/AsyncFunctionDriverWrapper.cpp
+++ b/Userland/Libraries/LibJS/Runtime/AsyncFunctionDriverWrapper.cpp
@@ -4,6 +4,7 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
+#include <AK/TypeCasts.h>
 #include <LibJS/Runtime/AsyncFunctionDriverWrapper.h>
 #include <LibJS/Runtime/GlobalObject.h>
 #include <LibJS/Runtime/NativeFunction.h>
diff --git a/Userland/Libraries/LibJS/Runtime/AtomicsObject.cpp b/Userland/Libraries/LibJS/Runtime/AtomicsObject.cpp
index 249e591e98f..f41a2304f02 100644
--- a/Userland/Libraries/LibJS/Runtime/AtomicsObject.cpp
+++ b/Userland/Libraries/LibJS/Runtime/AtomicsObject.cpp
@@ -7,6 +7,7 @@
 #include <AK/Atomic.h>
 #include <AK/ByteBuffer.h>
 #include <AK/Endian.h>
+#include <AK/TypeCasts.h>
 #include <LibJS/Runtime/AtomicsObject.h>
 #include <LibJS/Runtime/GlobalObject.h>
 #include <LibJS/Runtime/TypedArray.h>
diff --git a/Userland/Libraries/LibJS/Runtime/DataViewConstructor.cpp b/Userland/Libraries/LibJS/Runtime/DataViewConstructor.cpp
index b24f098cac6..d8ab1b21a47 100644
--- a/Userland/Libraries/LibJS/Runtime/DataViewConstructor.cpp
+++ b/Userland/Libraries/LibJS/Runtime/DataViewConstructor.cpp
@@ -5,6 +5,7 @@
  */
 
 #include <AK/Checked.h>
+#include <AK/TypeCasts.h>
 #include <LibJS/Runtime/AbstractOperations.h>
 #include <LibJS/Runtime/DataView.h>
 #include <LibJS/Runtime/DataViewConstructor.h>
diff --git a/Userland/Libraries/LibJS/Runtime/FunctionPrototype.cpp b/Userland/Libraries/LibJS/Runtime/FunctionPrototype.cpp
index 52acec2d8b9..745976fda48 100644
--- a/Userland/Libraries/LibJS/Runtime/FunctionPrototype.cpp
+++ b/Userland/Libraries/LibJS/Runtime/FunctionPrototype.cpp
@@ -6,6 +6,7 @@
 
 #include <AK/Function.h>
 #include <AK/StringBuilder.h>
+#include <AK/TypeCasts.h>
 #include <LibJS/Heap/MarkedVector.h>
 #include <LibJS/Interpreter.h>
 #include <LibJS/Runtime/AbstractOperations.h>
diff --git a/Userland/Libraries/LibJS/Runtime/Intl/DateTimeFormat.cpp b/Userland/Libraries/LibJS/Runtime/Intl/DateTimeFormat.cpp
index 9ead06da5bb..290aa5f9850 100644
--- a/Userland/Libraries/LibJS/Runtime/Intl/DateTimeFormat.cpp
+++ b/Userland/Libraries/LibJS/Runtime/Intl/DateTimeFormat.cpp
@@ -7,6 +7,7 @@
 #include <AK/Find.h>
 #include <AK/IterationDecision.h>
 #include <AK/NumericLimits.h>
+#include <AK/Utf16View.h>
 #include <LibJS/Runtime/AbstractOperations.h>
 #include <LibJS/Runtime/Array.h>
 #include <LibJS/Runtime/Date.h>
diff --git a/Userland/Libraries/LibJS/Runtime/Intl/LocaleConstructor.cpp b/Userland/Libraries/LibJS/Runtime/Intl/LocaleConstructor.cpp
index a6b6ff9fcf2..6f10534e8b0 100644
--- a/Userland/Libraries/LibJS/Runtime/Intl/LocaleConstructor.cpp
+++ b/Userland/Libraries/LibJS/Runtime/Intl/LocaleConstructor.cpp
@@ -6,6 +6,7 @@
 
 #include <AK/Optional.h>
 #include <AK/String.h>
+#include <AK/TypeCasts.h>
 #include <LibJS/Runtime/AbstractOperations.h>
 #include <LibJS/Runtime/GlobalObject.h>
 #include <LibJS/Runtime/Intl/AbstractOperations.h>
diff --git a/Userland/Libraries/LibJS/Runtime/JSONObject.cpp b/Userland/Libraries/LibJS/Runtime/JSONObject.cpp
index 349a5e43a99..e6a30a04df4 100644
--- a/Userland/Libraries/LibJS/Runtime/JSONObject.cpp
+++ b/Userland/Libraries/LibJS/Runtime/JSONObject.cpp
@@ -9,6 +9,7 @@
 #include <AK/JsonObject.h>
 #include <AK/JsonParser.h>
 #include <AK/StringBuilder.h>
+#include <AK/TypeCasts.h>
 #include <AK/Utf16View.h>
 #include <AK/Utf8View.h>
 #include <LibJS/Runtime/AbstractOperations.h>
diff --git a/Userland/Libraries/LibJS/Runtime/Object.cpp b/Userland/Libraries/LibJS/Runtime/Object.cpp
index 8033ab6dfc0..99076d57735 100644
--- a/Userland/Libraries/LibJS/Runtime/Object.cpp
+++ b/Userland/Libraries/LibJS/Runtime/Object.cpp
@@ -6,6 +6,7 @@
  */
 
 #include <AK/String.h>
+#include <AK/TypeCasts.h>
 #include <LibJS/Interpreter.h>
 #include <LibJS/Runtime/AbstractOperations.h>
 #include <LibJS/Runtime/Accessor.h>
diff --git a/Userland/Libraries/LibJS/Runtime/PrimitiveString.cpp b/Userland/Libraries/LibJS/Runtime/PrimitiveString.cpp
index 59412eb99ae..af421e527c3 100644
--- a/Userland/Libraries/LibJS/Runtime/PrimitiveString.cpp
+++ b/Userland/Libraries/LibJS/Runtime/PrimitiveString.cpp
@@ -6,6 +6,7 @@
 
 #include <AK/CharacterTypes.h>
 #include <AK/Utf16View.h>
+#include <AK/Utf8View.h>
 #include <LibJS/Runtime/AbstractOperations.h>
 #include <LibJS/Runtime/GlobalObject.h>
 #include <LibJS/Runtime/PrimitiveString.h>
diff --git a/Userland/Libraries/LibJS/Runtime/Temporal/Calendar.cpp b/Userland/Libraries/LibJS/Runtime/Temporal/Calendar.cpp
index 4f577770ab1..24922999306 100644
--- a/Userland/Libraries/LibJS/Runtime/Temporal/Calendar.cpp
+++ b/Userland/Libraries/LibJS/Runtime/Temporal/Calendar.cpp
@@ -5,6 +5,7 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
+#include <AK/TypeCasts.h>
 #include <LibJS/Runtime/AbstractOperations.h>
 #include <LibJS/Runtime/Array.h>
 #include <LibJS/Runtime/Completion.h>
diff --git a/Userland/Libraries/LibJS/Runtime/Temporal/Duration.cpp b/Userland/Libraries/LibJS/Runtime/Temporal/Duration.cpp
index 47860a22620..33d1d5744b6 100644
--- a/Userland/Libraries/LibJS/Runtime/Temporal/Duration.cpp
+++ b/Userland/Libraries/LibJS/Runtime/Temporal/Duration.cpp
@@ -6,6 +6,7 @@
  */
 
 #include <AK/StringBuilder.h>
+#include <AK/TypeCasts.h>
 #include <LibJS/Runtime/AbstractOperations.h>
 #include <LibJS/Runtime/Completion.h>
 #include <LibJS/Runtime/GlobalObject.h>
diff --git a/Userland/Libraries/LibJS/Runtime/Temporal/Instant.cpp b/Userland/Libraries/LibJS/Runtime/Temporal/Instant.cpp
index 2d636ed7b8d..08521c44511 100644
--- a/Userland/Libraries/LibJS/Runtime/Temporal/Instant.cpp
+++ b/Userland/Libraries/LibJS/Runtime/Temporal/Instant.cpp
@@ -5,6 +5,7 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
+#include <AK/TypeCasts.h>
 #include <AK/Variant.h>
 #include <LibCrypto/BigInt/SignedBigInteger.h>
 #include <LibJS/Runtime/AbstractOperations.h>
diff --git a/Userland/Libraries/LibJS/Runtime/Temporal/PlainDate.cpp b/Userland/Libraries/LibJS/Runtime/Temporal/PlainDate.cpp
index 88551078de8..c5fb989873c 100644
--- a/Userland/Libraries/LibJS/Runtime/Temporal/PlainDate.cpp
+++ b/Userland/Libraries/LibJS/Runtime/Temporal/PlainDate.cpp
@@ -5,6 +5,7 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
+#include <AK/TypeCasts.h>
 #include <LibJS/Runtime/AbstractOperations.h>
 #include <LibJS/Runtime/Completion.h>
 #include <LibJS/Runtime/Date.h>
diff --git a/Userland/Libraries/LibJS/Runtime/Temporal/PlainDateTime.cpp b/Userland/Libraries/LibJS/Runtime/Temporal/PlainDateTime.cpp
index 18453bad8ac..2f8e4419f8a 100644
--- a/Userland/Libraries/LibJS/Runtime/Temporal/PlainDateTime.cpp
+++ b/Userland/Libraries/LibJS/Runtime/Temporal/PlainDateTime.cpp
@@ -5,6 +5,7 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
+#include <AK/TypeCasts.h>
 #include <LibJS/Runtime/AbstractOperations.h>
 #include <LibJS/Runtime/Completion.h>
 #include <LibJS/Runtime/Date.h>
diff --git a/Userland/Libraries/LibJS/Runtime/Temporal/PlainMonthDay.cpp b/Userland/Libraries/LibJS/Runtime/Temporal/PlainMonthDay.cpp
index 0bd7ad8741e..999418e31d1 100644
--- a/Userland/Libraries/LibJS/Runtime/Temporal/PlainMonthDay.cpp
+++ b/Userland/Libraries/LibJS/Runtime/Temporal/PlainMonthDay.cpp
@@ -5,6 +5,7 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
+#include <AK/TypeCasts.h>
 #include <LibJS/Runtime/AbstractOperations.h>
 #include <LibJS/Runtime/GlobalObject.h>
 #include <LibJS/Runtime/Temporal/Calendar.h>
diff --git a/Userland/Libraries/LibJS/Runtime/Temporal/PlainTime.cpp b/Userland/Libraries/LibJS/Runtime/Temporal/PlainTime.cpp
index a316527fd1e..2cebb8fb311 100644
--- a/Userland/Libraries/LibJS/Runtime/Temporal/PlainTime.cpp
+++ b/Userland/Libraries/LibJS/Runtime/Temporal/PlainTime.cpp
@@ -5,6 +5,7 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
+#include <AK/TypeCasts.h>
 #include <LibJS/Runtime/AbstractOperations.h>
 #include <LibJS/Runtime/Date.h>
 #include <LibJS/Runtime/GlobalObject.h>
diff --git a/Userland/Libraries/LibJS/Runtime/Temporal/PlainYearMonth.cpp b/Userland/Libraries/LibJS/Runtime/Temporal/PlainYearMonth.cpp
index b056789fc6c..2ab9aa2bd79 100644
--- a/Userland/Libraries/LibJS/Runtime/Temporal/PlainYearMonth.cpp
+++ b/Userland/Libraries/LibJS/Runtime/Temporal/PlainYearMonth.cpp
@@ -4,6 +4,7 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
+#include <AK/TypeCasts.h>
 #include <LibJS/Runtime/AbstractOperations.h>
 #include <LibJS/Runtime/Array.h>
 #include <LibJS/Runtime/GlobalObject.h>
diff --git a/Userland/Libraries/LibJS/Runtime/Temporal/TimeZone.cpp b/Userland/Libraries/LibJS/Runtime/Temporal/TimeZone.cpp
index 9c7313bd107..b3344e247c3 100644
--- a/Userland/Libraries/LibJS/Runtime/Temporal/TimeZone.cpp
+++ b/Userland/Libraries/LibJS/Runtime/Temporal/TimeZone.cpp
@@ -6,6 +6,7 @@
 
 #include <AK/DateTimeLexer.h>
 #include <AK/Time.h>
+#include <AK/TypeCasts.h>
 #include <LibCrypto/BigInt/UnsignedBigInteger.h>
 #include <LibJS/Runtime/AbstractOperations.h>
 #include <LibJS/Runtime/Date.h>
diff --git a/Userland/Libraries/LibJS/Runtime/Temporal/ZonedDateTime.cpp b/Userland/Libraries/LibJS/Runtime/Temporal/ZonedDateTime.cpp
index 5957ea37816..e40545dd890 100644
--- a/Userland/Libraries/LibJS/Runtime/Temporal/ZonedDateTime.cpp
+++ b/Userland/Libraries/LibJS/Runtime/Temporal/ZonedDateTime.cpp
@@ -5,6 +5,7 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
+#include <AK/TypeCasts.h>
 #include <LibJS/Runtime/AbstractOperations.h>
 #include <LibJS/Runtime/Date.h>
 #include <LibJS/Runtime/GlobalObject.h>
diff --git a/Userland/Libraries/LibJS/Runtime/TypedArray.cpp b/Userland/Libraries/LibJS/Runtime/TypedArray.cpp
index 14e0840fce9..45e3b9a1f05 100644
--- a/Userland/Libraries/LibJS/Runtime/TypedArray.cpp
+++ b/Userland/Libraries/LibJS/Runtime/TypedArray.cpp
@@ -6,6 +6,7 @@
  */
 
 #include <AK/Checked.h>
+#include <AK/TypeCasts.h>
 #include <LibJS/Runtime/AbstractOperations.h>
 #include <LibJS/Runtime/ArrayBuffer.h>
 #include <LibJS/Runtime/ArrayBufferConstructor.h>
diff --git a/Userland/Libraries/LibJS/Runtime/TypedArrayPrototype.cpp b/Userland/Libraries/LibJS/Runtime/TypedArrayPrototype.cpp
index 6c31ba0ff26..1a8f5766cf6 100644
--- a/Userland/Libraries/LibJS/Runtime/TypedArrayPrototype.cpp
+++ b/Userland/Libraries/LibJS/Runtime/TypedArrayPrototype.cpp
@@ -6,6 +6,7 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
+#include <AK/TypeCasts.h>
 #include <LibJS/Runtime/AbstractOperations.h>
 #include <LibJS/Runtime/Array.h>
 #include <LibJS/Runtime/ArrayIterator.h>
diff --git a/Userland/Libraries/LibJS/Runtime/VM.cpp b/Userland/Libraries/LibJS/Runtime/VM.cpp
index 1d42828c2be..f6a36846f6a 100644
--- a/Userland/Libraries/LibJS/Runtime/VM.cpp
+++ b/Userland/Libraries/LibJS/Runtime/VM.cpp
@@ -11,6 +11,7 @@
 #include <AK/ScopeGuard.h>
 #include <AK/StringBuilder.h>
 #include <LibCore/File.h>
+#include <LibJS/AST.h>
 #include <LibJS/Interpreter.h>
 #include <LibJS/Runtime/AbstractOperations.h>
 #include <LibJS/Runtime/Array.h>
diff --git a/Userland/Libraries/LibWeb/Bindings/MainThreadVM.cpp b/Userland/Libraries/LibWeb/Bindings/MainThreadVM.cpp
index e5568fbc299..d66cedf8740 100644
--- a/Userland/Libraries/LibWeb/Bindings/MainThreadVM.cpp
+++ b/Userland/Libraries/LibWeb/Bindings/MainThreadVM.cpp
@@ -7,6 +7,7 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
+#include <LibJS/AST.h>
 #include <LibJS/Heap/DeferGC.h>
 #include <LibJS/Module.h>
 #include <LibJS/Runtime/Array.h>
diff --git a/Userland/Libraries/LibWeb/Fetch/Body.cpp b/Userland/Libraries/LibWeb/Fetch/Body.cpp
index 03151faec4d..2d90caefa1f 100644
--- a/Userland/Libraries/LibWeb/Fetch/Body.cpp
+++ b/Userland/Libraries/LibWeb/Fetch/Body.cpp
@@ -4,6 +4,7 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
+#include <AK/TypeCasts.h>
 #include <LibJS/Runtime/ArrayBuffer.h>
 #include <LibJS/Runtime/Error.h>
 #include <LibJS/Runtime/PromiseCapability.h>
diff --git a/Userland/Libraries/LibWeb/Fetch/FetchMethod.cpp b/Userland/Libraries/LibWeb/Fetch/FetchMethod.cpp
index 606643a9ac1..70646402d85 100644
--- a/Userland/Libraries/LibWeb/Fetch/FetchMethod.cpp
+++ b/Userland/Libraries/LibWeb/Fetch/FetchMethod.cpp
@@ -5,6 +5,7 @@
  */
 
 #include <AK/Debug.h>
+#include <AK/TypeCasts.h>
 #include <LibJS/Runtime/PromiseCapability.h>
 #include <LibWeb/Bindings/ExceptionOrUtils.h>
 #include <LibWeb/DOM/AbortSignal.h>
diff --git a/Userland/Libraries/LibWeb/WebAssembly/WebAssemblyMemoryPrototype.cpp b/Userland/Libraries/LibWeb/WebAssembly/WebAssemblyMemoryPrototype.cpp
index 2c6e8e32e71..1a246656fad 100644
--- a/Userland/Libraries/LibWeb/WebAssembly/WebAssemblyMemoryPrototype.cpp
+++ b/Userland/Libraries/LibWeb/WebAssembly/WebAssemblyMemoryPrototype.cpp
@@ -4,6 +4,7 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
+#include <AK/TypeCasts.h>
 #include <LibJS/Runtime/TypedArray.h>
 #include <LibWeb/WebAssembly/WebAssemblyMemoryPrototype.h>
 #include <LibWeb/WebAssembly/WebAssemblyObject.h>
diff --git a/Userland/Libraries/LibWeb/WebAssembly/WebAssemblyTablePrototype.cpp b/Userland/Libraries/LibWeb/WebAssembly/WebAssemblyTablePrototype.cpp
index b7373501d08..3b570891e3f 100644
--- a/Userland/Libraries/LibWeb/WebAssembly/WebAssemblyTablePrototype.cpp
+++ b/Userland/Libraries/LibWeb/WebAssembly/WebAssemblyTablePrototype.cpp
@@ -4,6 +4,7 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
+#include <AK/TypeCasts.h>
 #include <LibJS/Runtime/TypedArray.h>
 #include <LibWeb/WebAssembly/WebAssemblyTableObject.h>
 #include <LibWeb/WebAssembly/WebAssemblyTablePrototype.h>
diff --git a/Userland/Libraries/LibWeb/WebIDL/Promise.cpp b/Userland/Libraries/LibWeb/WebIDL/Promise.cpp
index be8f9bfce09..795fac1bc90 100644
--- a/Userland/Libraries/LibWeb/WebIDL/Promise.cpp
+++ b/Userland/Libraries/LibWeb/WebIDL/Promise.cpp
@@ -5,6 +5,7 @@
  */
 
 #include <AK/Function.h>
+#include <AK/TypeCasts.h>
 #include <LibJS/Runtime/PromiseCapability.h>
 #include <LibJS/Runtime/PromiseConstructor.h>
 #include <LibJS/Runtime/Realm.h>