diff --git a/write-fonts/src/tables/variations/ivs_builder.rs b/write-fonts/src/tables/variations/ivs_builder.rs
index fa2fa3e60..16a01b484 100644
--- a/write-fonts/src/tables/variations/ivs_builder.rs
+++ b/write-fonts/src/tables/variations/ivs_builder.rs
@@ -682,7 +682,6 @@ mod tests {
         let _ = builder.add_deltas(vec![(r1.clone(), -9), (r3.clone(), 7)]);
         let _ = builder.add_deltas(vec![(r1, -11), (r3, 7)]);
 
-        let encoder = builder.encoder();
         // we should have three regions, and two subtables
         let (_, key_lookup) = builder.build();