diff --git a/src/components/main/layout/flow.rs b/src/components/main/layout/flow.rs
index 38fd16974b3..adeea36928c 100644
--- a/src/components/main/layout/flow.rs
+++ b/src/components/main/layout/flow.rs
@@ -45,6 +45,7 @@ use servo_util::tree::{TreeNode, TreeNodeRef, TreeUtils};
 
 /// The type of the formatting context and data specific to each context, such as line box
 /// structures or float lists.
+#[deriving(Clone)]
 pub enum FlowContext {
     AbsoluteFlow(@mut FlowData), 
     BlockFlow(@mut BlockFlowData),
@@ -64,12 +65,6 @@ pub enum FlowContextType {
     Flow_Table
 }
 
-impl Clone for FlowContext {
-    fn clone(&self) -> FlowContext {
-        *self
-    }
-}
-
 impl FlowContext {
     pub fn teardown(&self) {
         match *self {