diff --git a/src/lib8.rs b/src/lib8.rs
index 5b2bb3f..6ee343d 100644
--- a/src/lib8.rs
+++ b/src/lib8.rs
@@ -3,11 +3,11 @@ use palette::encoding::srgb::Srgb;
 use rgb::RGB8;
 
 pub trait Rgb8Blend {
-    fn saturating_add(&self, b: Self) -> Self;
+    fn saturating_add(self, b: Self) -> Self;
 }
 
 impl Rgb8Blend for RGB8 {
-    fn saturating_add(&self, b: Self) -> Self {
+    fn saturating_add(self, b: Self) -> Self {
         RGB8::new(self.r.saturating_add(b.r), self.g.saturating_add(b.g), self.b.saturating_add(b.b))
     }
 }