diff --git a/components/layout/flow.rs b/components/layout/flow.rs
index 0396737822a..6902341edae 100644
--- a/components/layout/flow.rs
+++ b/components/layout/flow.rs
@@ -38,7 +38,6 @@ use incremental::{self, RECONSTRUCT_FLOW, REFLOW, REFLOW_OUT_OF_FLOW, RestyleDam
 use inline::InlineFlow;
 use model::{CollapsibleMargins, IntrinsicISizes, MarginCollapseInfo};
 use msg::compositor_msg::{LayerId, LayerType};
-use msg::constellation_msg::ConstellationChan;
 use multicol::MulticolFlow;
 use parallel::FlowParallelInfo;
 use rustc_serialize::{Encodable, Encoder};
@@ -363,9 +362,6 @@ pub trait Flow: fmt::Debug + Sync + Send + 'static {
     /// Attempts to perform incremental fixup of this flow by replacing its fragment's style with
     /// the new style. This can only succeed if the flow has exactly one fragment.
     fn repair_style(&mut self, new_style: &Arc<ComputedValues>);
-
-    /// Remove any compositor layers associated with this flow
-    fn remove_compositor_layers(&self, _: ConstellationChan) {}
 }
 
 // Base access