3 files changed, 0 insertions, 22 deletions
diff --git a/components/msg/Cargo.toml b/components/msg/Cargo.toml
index cf283ea6e73..ddc0b3e3f85 100644
--- a/components/msg/Cargo.toml
+++ b/components/msg/Cargo.toml
@@ -14,7 +14,6 @@ bitflags = "0.7"
 cssparser = {version = "0.7", features = ["heap_size", "serde-serialization"]}
 heapsize = "0.3.0"
 heapsize_plugin = "0.1.2"
-ipc-channel = "0.5"
 plugins = {path = "../plugins"}
 serde = "0.8"
 serde_derive = "0.8"
diff --git a/components/msg/constellation_msg.rs b/components/msg/constellation_msg.rs
index 2aa8d19c8d2..63904e2440c 100644
--- a/components/msg/constellation_msg.rs
+++ b/components/msg/constellation_msg.rs
@@ -5,7 +5,6 @@
 //! The high-level interface from script to constellation. Using this abstract interface helps
 //! reduce coupling between these two components.
 
-use ipc_channel::ipc::IpcSharedMemory;
 use std::cell::Cell;
 use std::fmt;
 use webrender_traits;
@@ -163,25 +162,6 @@ bitflags! {
     }
 }
 
-#[derive(Clone, Copy, Deserialize, Eq, PartialEq, Serialize, HeapSizeOf)]
-pub enum PixelFormat {
-    K8,         // Luminance channel only
-    KA8,        // Luminance + alpha
-    RGB8,       // RGB, 8 bits per channel
-    RGBA8,      // RGB + alpha, 8 bits per channel
-}
-
-#[derive(Clone, Deserialize, Serialize, HeapSizeOf)]
-pub struct Image {
-    pub width: u32,
-    pub height: u32,
-    pub format: PixelFormat,
-    #[ignore_heap_size_of = "Defined in ipc-channel"]
-    pub bytes: IpcSharedMemory,
-    #[ignore_heap_size_of = "Defined in webrender_traits"]
-    pub id: Option<webrender_traits::ImageKey>,
-}
-
 #[derive(Clone, PartialEq, Eq, Copy, Hash, Debug, Deserialize, Serialize)]
 pub enum TraversalDirection {
     Forward(usize),
diff --git a/components/msg/lib.rs b/components/msg/lib.rs
index 3918a7ada77..a2cc4bbab71 100644
--- a/components/msg/lib.rs
+++ b/components/msg/lib.rs
@@ -11,7 +11,6 @@
 #[macro_use]
 extern crate bitflags;
 extern crate heapsize;
-extern crate ipc_channel;
 extern crate serde;
 #[macro_use]
 extern crate serde_derive;