diff --git a/src/codec/codec007.rs b/src/codec/codec007.rs
index 4d28d9f..726565b 100644
--- a/src/codec/codec007.rs
+++ b/src/codec/codec007.rs
@@ -83,7 +83,7 @@ pub fn decode_fli_ss2(src: &[u8], dst: &mut RasterMut)
 
         let start = dst.stride * (dst.y + y);
         let end = dst.stride * (dst.y + y + 1);
-        let mut row = &mut dst.buf[start..end];
+        let row = &mut dst.buf[start..end];
         let mut x0 = dst.x;
 
         for _ in 0..count {
diff --git a/src/codec/codec015.rs b/src/codec/codec015.rs
index 2821ce6..82456c0 100644
--- a/src/codec/codec015.rs
+++ b/src/codec/codec015.rs
@@ -47,7 +47,7 @@ pub fn decode_fli_brun(src: &[u8], dst: &mut RasterMut)
     for row in dst.buf[start..end].chunks_mut(dst.stride) {
         let start = dst.x;
         let end = start + dst.w;
-        let mut row = &mut row[start..end];
+        let row = &mut row[start..end];
         let mut x0 = 0;
 
         // Skip obsolete count byte.