diff --git a/components/gfx/font.rs b/components/gfx/font.rs
index a6b2af9c8a2..926b824271f 100644
--- a/components/gfx/font.rs
+++ b/components/gfx/font.rs
@@ -54,7 +54,7 @@ pub type FractionalPixel = f64;
 
 pub type FontTableTag = u32;
 
-pub trait FontTableTagConversions {
+trait FontTableTagConversions {
     fn tag_to_str(&self) -> String;
 }