diff --git a/crates/vision/src/perspective_grid_candidates_provider.rs b/crates/vision/src/perspective_grid_candidates_provider.rs
index d7de502280..e3a912c162 100644
--- a/crates/vision/src/perspective_grid_candidates_provider.rs
+++ b/crates/vision/src/perspective_grid_candidates_provider.rs
@@ -174,8 +174,6 @@ fn generate_candidates(
 
 #[cfg(test)]
 mod tests {
-    use std::iter::FromIterator;
-
     use approx::assert_relative_eq;
     use linear_algebra::{vector, IntoTransform, Isometry3};
     use nalgebra::{Translation, UnitQuaternion};