diff --git a/src/lib.rs b/src/lib.rs
index f0bd123..46bdfcc 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -556,7 +556,6 @@ where
 #[cfg(test)]
 mod tests {
     use super::*;
-    use nalgebra as na;
 
     #[test]
     fn test_unit_conv() {