diff --git a/Libraries/LibWeb/Layout/LayoutState.cpp b/Libraries/LibWeb/Layout/LayoutState.cpp
index 0c2b574837d..dea78b9e2af 100644
--- a/Libraries/LibWeb/Layout/LayoutState.cpp
+++ b/Libraries/LibWeb/Layout/LayoutState.cpp
@@ -31,7 +31,7 @@ LayoutState::UsedValues& LayoutState::get_mutable(NodeWithStyle const& node)
 
     auto new_used_values = adopt_own(*new UsedValues);
     auto* new_used_values_ptr = new_used_values.ptr();
-    new_used_values->set_node(const_cast<NodeWithStyle&>(node), containing_block_used_values);
+    new_used_values->set_node(node, containing_block_used_values);
     used_values_per_layout_node.set(node, move(new_used_values));
     return *new_used_values_ptr;
 }
@@ -45,7 +45,7 @@ LayoutState::UsedValues const& LayoutState::get(NodeWithStyle const& node) const
 
     auto new_used_values = adopt_own(*new UsedValues);
     auto* new_used_values_ptr = new_used_values.ptr();
-    new_used_values->set_node(const_cast<NodeWithStyle&>(node), containing_block_used_values);
+    new_used_values->set_node(node, containing_block_used_values);
     const_cast<LayoutState*>(this)->used_values_per_layout_node.set(node, move(new_used_values));
     return *new_used_values_ptr;
 }
@@ -489,7 +489,7 @@ void LayoutState::commit(Box& root)
     }
 }
 
-void LayoutState::UsedValues::set_node(NodeWithStyle& node, UsedValues const* containing_block_used_values)
+void LayoutState::UsedValues::set_node(NodeWithStyle const& node, UsedValues const* containing_block_used_values)
 {
     m_node = &node;
     m_containing_block_used_values = containing_block_used_values;
diff --git a/Libraries/LibWeb/Layout/LayoutState.h b/Libraries/LibWeb/Layout/LayoutState.h
index 8e8c9d5e123..2398bd7d296 100644
--- a/Libraries/LibWeb/Layout/LayoutState.h
+++ b/Libraries/LibWeb/Layout/LayoutState.h
@@ -58,7 +58,7 @@ struct LayoutState {
     struct UsedValues {
         NodeWithStyle const& node() const { return *m_node; }
         NodeWithStyle& node() { return const_cast<NodeWithStyle&>(*m_node); }
-        void set_node(NodeWithStyle&, UsedValues const* containing_block_used_values);
+        void set_node(NodeWithStyle const&, UsedValues const* containing_block_used_values);
 
         UsedValues const* containing_block_used_values() const { return m_containing_block_used_values; }