diff --git a/src/viewer.rs b/src/viewer.rs
index 7429aa6..ede48d0 100644
--- a/src/viewer.rs
+++ b/src/viewer.rs
@@ -2030,7 +2030,6 @@ mod tests {
     use super::*;
     use polymodel_renderer_protocol::{
         KeyModifiers, LoadIdentity, MeshStats, RendererCommand, RendererEvent, RendererNamespace,
-        serialize_command,
     };
 
     #[test]