diff --git a/src/imageops/sample.rs b/src/imageops/sample.rs
index 82d12386dd..b2b2c571a1 100644
--- a/src/imageops/sample.rs
+++ b/src/imageops/sample.rs
@@ -6,6 +6,8 @@
 use std::f32;
 
 use num_traits::{NumCast, ToPrimitive, Zero};
+#[cfg(feature = "serde")]
+use serde::{Deserialize, Serialize};
 
 use crate::image::{GenericImage, GenericImageView};
 use crate::traits::{Enlargeable, Pixel, Primitive};