diff --git a/plugins/spectral_compressor/src/curve.rs b/plugins/spectral_compressor/src/curve.rs
index 711a596f..83a1c090 100644
--- a/plugins/spectral_compressor/src/curve.rs
+++ b/plugins/spectral_compressor/src/curve.rs
@@ -55,6 +55,7 @@ impl<'a> Curve<'a> {
 
     /// Evaluate the curve for a value in Hertz.
     #[inline]
+    #[allow(unused)]
     pub fn evaluate_plain(&self, freq: f32) -> f32 {
         self.evaluate_log2(freq.log2())
     }