diff --git a/crates/aura-engine/src/blueprint.rs b/crates/aura-engine/src/blueprint.rs
index bc4ec38..a34fccc 100644
--- a/crates/aura-engine/src/blueprint.rs
+++ b/crates/aura-engine/src/blueprint.rs
@@ -917,7 +917,6 @@ fn slot_kind(t: Target, flat_signatures: &[NodeSchema]) -> Result<ScalarKind, Co
 #[cfg(test)]
 mod tests {
     use super::*;
-    use crate::GridSpace;
     use aura_core::{Ctx, FieldSpec, Firing, NodeSchema, Timestamp};
     use aura_std::{Ema, Exposure, Recorder, SimBroker, Sma, Sub};
     use std::sync::mpsc;