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-rw-r--r--components/script/dom/htmlcanvaselement.rs2
1 files changed, 1 insertions, 1 deletions
diff --git a/components/script/dom/htmlcanvaselement.rs b/components/script/dom/htmlcanvaselement.rs
index f698f42fe26..d71c86a3879 100644
--- a/components/script/dom/htmlcanvaselement.rs
+++ b/components/script/dom/htmlcanvaselement.rs
@@ -32,7 +32,7 @@ const DEFAULT_WIDTH: u32 = 300;
const DEFAULT_HEIGHT: u32 = 150;
#[must_root]
-#[derive(JSTraceable, Clone, Copy, HeapSizeOf)]
+#[derive(JSTraceable, Clone, HeapSizeOf)]
pub enum CanvasContext {
Context2d(JS<CanvasRenderingContext2D>),
WebGL(JS<WebGLRenderingContext>),