diff --git a/Userland/Libraries/LibJS/Heap/Cell.h b/Userland/Libraries/LibJS/Heap/Cell.h
index 549d06c3561..827c413860f 100644
--- a/Userland/Libraries/LibJS/Heap/Cell.h
+++ b/Userland/Libraries/LibJS/Heap/Cell.h
@@ -13,6 +13,7 @@
 #include <AK/StringView.h>
 #include <LibJS/Forward.h>
 #include <LibJS/Heap/GCPtr.h>
+#include <LibJS/Runtime/Value.h>
 
 namespace JS {
 
@@ -53,22 +54,30 @@ public:
             if (cell)
                 visit_impl(*cell);
         }
+
         void visit(Cell& cell)
         {
             visit_impl(cell);
         }
+
         template<typename T>
         void visit(GCPtr<T> cell)
         {
             if (cell)
                 visit_impl(*cell.ptr());
         }
+
         template<typename T>
         void visit(NonnullGCPtr<T> cell)
         {
             visit_impl(*cell.ptr());
         }
-        void visit(Value);
+
+        void visit(Value value)
+        {
+            if (value.is_cell())
+                visit_impl(value.as_cell());
+        }
 
     protected:
         virtual void visit_impl(Cell&) = 0;
diff --git a/Userland/Libraries/LibJS/Runtime/ArrayBuffer.h b/Userland/Libraries/LibJS/Runtime/ArrayBuffer.h
index 16158e7e7d4..ccab35cbd2e 100644
--- a/Userland/Libraries/LibJS/Runtime/ArrayBuffer.h
+++ b/Userland/Libraries/LibJS/Runtime/ArrayBuffer.h
@@ -9,6 +9,7 @@
 #include <AK/ByteBuffer.h>
 #include <AK/Function.h>
 #include <AK/Variant.h>
+#include <LibJS/Runtime/BigInt.h>
 #include <LibJS/Runtime/Completion.h>
 #include <LibJS/Runtime/GlobalObject.h>
 #include <LibJS/Runtime/Object.h>
diff --git a/Userland/Libraries/LibJS/Runtime/Date.h b/Userland/Libraries/LibJS/Runtime/Date.h
index c1374e3edef..358752c06e6 100644
--- a/Userland/Libraries/LibJS/Runtime/Date.h
+++ b/Userland/Libraries/LibJS/Runtime/Date.h
@@ -7,6 +7,7 @@
 
 #pragma once
 
+#include <LibCrypto/BigInt/SignedBigInteger.h>
 #include <LibJS/Runtime/Object.h>
 
 namespace JS {
diff --git a/Userland/Libraries/LibJS/Runtime/Intl/MathematicalValue.h b/Userland/Libraries/LibJS/Runtime/Intl/MathematicalValue.h
index e9d0ea131c7..1ff11938ea8 100644
--- a/Userland/Libraries/LibJS/Runtime/Intl/MathematicalValue.h
+++ b/Userland/Libraries/LibJS/Runtime/Intl/MathematicalValue.h
@@ -10,6 +10,7 @@
 #include <AK/String.h>
 #include <AK/Variant.h>
 #include <LibCrypto/BigInt/SignedBigInteger.h>
+#include <LibJS/Runtime/BigInt.h>
 #include <LibJS/Runtime/Value.h>
 
 namespace JS::Intl {
diff --git a/Userland/Libraries/LibJS/Runtime/NumberConstructor.cpp b/Userland/Libraries/LibJS/Runtime/NumberConstructor.cpp
index 6b0d1054cd4..53b0825bb39 100644
--- a/Userland/Libraries/LibJS/Runtime/NumberConstructor.cpp
+++ b/Userland/Libraries/LibJS/Runtime/NumberConstructor.cpp
@@ -6,6 +6,7 @@
 
 #include <AK/Math.h>
 #include <LibJS/Runtime/AbstractOperations.h>
+#include <LibJS/Runtime/BigInt.h>
 #include <LibJS/Runtime/Error.h>
 #include <LibJS/Runtime/GlobalObject.h>
 #include <LibJS/Runtime/NumberConstructor.h>
diff --git a/Userland/Libraries/LibJS/Runtime/Temporal/AbstractOperations.h b/Userland/Libraries/LibJS/Runtime/Temporal/AbstractOperations.h
index 84ef9555219..3b902d89f01 100644
--- a/Userland/Libraries/LibJS/Runtime/Temporal/AbstractOperations.h
+++ b/Userland/Libraries/LibJS/Runtime/Temporal/AbstractOperations.h
@@ -9,6 +9,7 @@
 
 #include <AK/Forward.h>
 #include <AK/Variant.h>
+#include <LibCrypto/BigInt/SignedBigInteger.h>
 #include <LibJS/Forward.h>
 #include <LibJS/Runtime/Completion.h>
 #include <LibJS/Runtime/GlobalObject.h>
diff --git a/Userland/Libraries/LibJS/Runtime/Value.h b/Userland/Libraries/LibJS/Runtime/Value.h
index fa745b9d32e..d4679254c28 100644
--- a/Userland/Libraries/LibJS/Runtime/Value.h
+++ b/Userland/Libraries/LibJS/Runtime/Value.h
@@ -19,7 +19,6 @@
 #include <AK/Types.h>
 #include <LibJS/Forward.h>
 #include <LibJS/Heap/GCPtr.h>
-#include <LibJS/Runtime/BigInt.h>
 #include <math.h>
 
 // 2 ** 53 - 1
@@ -526,12 +525,6 @@ inline Value js_negative_infinity()
     return Value(-INFINITY);
 }
 
-inline void Cell::Visitor::visit(Value value)
-{
-    if (value.is_cell())
-        visit_impl(value.as_cell());
-}
-
 ThrowCompletionOr<Value> greater_than(VM&, Value lhs, Value rhs);
 ThrowCompletionOr<Value> greater_than_equals(VM&, Value lhs, Value rhs);
 ThrowCompletionOr<Value> less_than(VM&, Value lhs, Value rhs);
diff --git a/Userland/Libraries/LibJS/Runtime/ValueTraits.h b/Userland/Libraries/LibJS/Runtime/ValueTraits.h
index c88fddc7094..efcbfd163b8 100644
--- a/Userland/Libraries/LibJS/Runtime/ValueTraits.h
+++ b/Userland/Libraries/LibJS/Runtime/ValueTraits.h
@@ -8,6 +8,7 @@
 
 #pragma once
 
+#include <LibJS/Runtime/BigInt.h>
 #include <LibJS/Runtime/PrimitiveString.h>
 #include <LibJS/Runtime/Value.h>
 
diff --git a/Userland/Libraries/LibWeb/Layout/Box.h b/Userland/Libraries/LibWeb/Layout/Box.h
index a02a4043ce1..7bca93cdef2 100644
--- a/Userland/Libraries/LibWeb/Layout/Box.h
+++ b/Userland/Libraries/LibWeb/Layout/Box.h
@@ -8,6 +8,7 @@
 
 #include <AK/OwnPtr.h>
 #include <LibGfx/Rect.h>
+#include <LibJS/Heap/Cell.h>
 #include <LibWeb/Layout/Node.h>
 
 namespace Web::Layout {
diff --git a/Userland/Libraries/LibWeb/Layout/Node.h b/Userland/Libraries/LibWeb/Layout/Node.h
index 98ee636ad1f..effb811f018 100644
--- a/Userland/Libraries/LibWeb/Layout/Node.h
+++ b/Userland/Libraries/LibWeb/Layout/Node.h
@@ -10,6 +10,7 @@
 #include <AK/TypeCasts.h>
 #include <AK/Vector.h>
 #include <LibGfx/Rect.h>
+#include <LibJS/Heap/Cell.h>
 #include <LibJS/Heap/Handle.h>
 #include <LibWeb/CSS/ComputedValues.h>
 #include <LibWeb/CSS/StyleProperties.h>
diff --git a/Userland/Libraries/LibWeb/TreeNode.h b/Userland/Libraries/LibWeb/TreeNode.h
index 74d7a94d409..f4142e79e11 100644
--- a/Userland/Libraries/LibWeb/TreeNode.h
+++ b/Userland/Libraries/LibWeb/TreeNode.h
@@ -8,6 +8,7 @@
 
 #include <AK/Assertions.h>
 #include <AK/TypeCasts.h>
+#include <LibJS/Heap/Cell.h>
 #include <LibJS/Heap/GCPtr.h>
 #include <LibWeb/Forward.h>