diff --git a/benches/deflate.rs b/benches/deflate.rs
index 1f796293..8c8a0f3a 100644
--- a/benches/deflate.rs
+++ b/benches/deflate.rs
@@ -14,7 +14,7 @@ fn deflate_16_bits_strategy_0(b: &mut Bencher) {
     let png = png::PngData::new(&input, false).unwrap();
 
     b.iter(|| {
-        deflate::deflate(png.raw_data.as_ref(), 9, 0, 15)
+        deflate::deflate(png.raw_data.as_ref(), 9, 0, 15, None)
     });
 }
 
@@ -24,7 +24,7 @@ fn deflate_8_bits_strategy_0(b: &mut Bencher) {
     let png = png::PngData::new(&input, false).unwrap();
 
     b.iter(|| {
-        deflate::deflate(png.raw_data.as_ref(), 9, 0, 15)
+        deflate::deflate(png.raw_data.as_ref(), 9, 0, 15, None)
     });
 }
 
@@ -36,7 +36,7 @@ fn deflate_4_bits_strategy_0(b: &mut Bencher) {
     let png = png::PngData::new(&input, false).unwrap();
 
     b.iter(|| {
-        deflate::deflate(png.raw_data.as_ref(), 9, 0, 15)
+        deflate::deflate(png.raw_data.as_ref(), 9, 0, 15, None)
     });
 }
 
@@ -48,7 +48,7 @@ fn deflate_2_bits_strategy_0(b: &mut Bencher) {
     let png = png::PngData::new(&input, false).unwrap();
 
     b.iter(|| {
-        deflate::deflate(png.raw_data.as_ref(), 9, 0, 15)
+        deflate::deflate(png.raw_data.as_ref(), 9, 0, 15, None)
     });
 }
 
@@ -60,7 +60,7 @@ fn deflate_1_bits_strategy_0(b: &mut Bencher) {
     let png = png::PngData::new(&input, false).unwrap();
 
     b.iter(|| {
-        deflate::deflate(png.raw_data.as_ref(), 9, 0, 15)
+        deflate::deflate(png.raw_data.as_ref(), 9, 0, 15, None)
     });
 }
 
@@ -70,7 +70,7 @@ fn deflate_16_bits_strategy_1(b: &mut Bencher) {
     let png = png::PngData::new(&input, false).unwrap();
 
     b.iter(|| {
-        deflate::deflate(png.raw_data.as_ref(), 9, 1, 15)
+        deflate::deflate(png.raw_data.as_ref(), 9, 1, 15, None)
     });
 }
 
@@ -80,7 +80,7 @@ fn deflate_8_bits_strategy_1(b: &mut Bencher) {
     let png = png::PngData::new(&input, false).unwrap();
 
     b.iter(|| {
-        deflate::deflate(png.raw_data.as_ref(), 9, 1, 15)
+        deflate::deflate(png.raw_data.as_ref(), 9, 1, 15, None)
     });
 }
 
@@ -92,7 +92,7 @@ fn deflate_4_bits_strategy_1(b: &mut Bencher) {
     let png = png::PngData::new(&input, false).unwrap();
 
     b.iter(|| {
-        deflate::deflate(png.raw_data.as_ref(), 9, 1, 15)
+        deflate::deflate(png.raw_data.as_ref(), 9, 1, 15, None)
     });
 }
 
@@ -104,7 +104,7 @@ fn deflate_2_bits_strategy_1(b: &mut Bencher) {
     let png = png::PngData::new(&input, false).unwrap();
 
     b.iter(|| {
-        deflate::deflate(png.raw_data.as_ref(), 9, 1, 15)
+        deflate::deflate(png.raw_data.as_ref(), 9, 1, 15, None)
     });
 }
 
@@ -116,7 +116,7 @@ fn deflate_1_bits_strategy_1(b: &mut Bencher) {
     let png = png::PngData::new(&input, false).unwrap();
 
     b.iter(|| {
-        deflate::deflate(png.raw_data.as_ref(), 9, 1, 15)
+        deflate::deflate(png.raw_data.as_ref(), 9, 1, 15, None)
     });
 }
 
@@ -126,7 +126,7 @@ fn deflate_16_bits_strategy_2(b: &mut Bencher) {
     let png = png::PngData::new(&input, false).unwrap();
 
     b.iter(|| {
-        deflate::deflate(png.raw_data.as_ref(), 9, 2, 15)
+        deflate::deflate(png.raw_data.as_ref(), 9, 2, 15, None)
     });
 }
 
@@ -136,7 +136,7 @@ fn deflate_8_bits_strategy_2(b: &mut Bencher) {
     let png = png::PngData::new(&input, false).unwrap();
 
     b.iter(|| {
-        deflate::deflate(png.raw_data.as_ref(), 9, 2, 15)
+        deflate::deflate(png.raw_data.as_ref(), 9, 2, 15, None)
     });
 }
 
@@ -148,7 +148,7 @@ fn deflate_4_bits_strategy_2(b: &mut Bencher) {
     let png = png::PngData::new(&input, false).unwrap();
 
     b.iter(|| {
-        deflate::deflate(png.raw_data.as_ref(), 9, 2, 15)
+        deflate::deflate(png.raw_data.as_ref(), 9, 2, 15, None)
     });
 }
 
@@ -160,7 +160,7 @@ fn deflate_2_bits_strategy_2(b: &mut Bencher) {
     let png = png::PngData::new(&input, false).unwrap();
 
     b.iter(|| {
-        deflate::deflate(png.raw_data.as_ref(), 9, 2, 15)
+        deflate::deflate(png.raw_data.as_ref(), 9, 2, 15, None)
     });
 }
 
@@ -172,7 +172,7 @@ fn deflate_1_bits_strategy_2(b: &mut Bencher) {
     let png = png::PngData::new(&input, false).unwrap();
 
     b.iter(|| {
-        deflate::deflate(png.raw_data.as_ref(), 9, 2, 15)
+        deflate::deflate(png.raw_data.as_ref(), 9, 2, 15, None)
     });
 }
 
@@ -182,7 +182,7 @@ fn deflate_16_bits_strategy_3(b: &mut Bencher) {
     let png = png::PngData::new(&input, false).unwrap();
 
     b.iter(|| {
-        deflate::deflate(png.raw_data.as_ref(), 9, 3, 15)
+        deflate::deflate(png.raw_data.as_ref(), 9, 3, 15, None)
     });
 }
 
@@ -192,7 +192,7 @@ fn deflate_8_bits_strategy_3(b: &mut Bencher) {
     let png = png::PngData::new(&input, false).unwrap();
 
     b.iter(|| {
-        deflate::deflate(png.raw_data.as_ref(), 9, 3, 15)
+        deflate::deflate(png.raw_data.as_ref(), 9, 3, 15, None)
     });
 }
 
@@ -204,7 +204,7 @@ fn deflate_4_bits_strategy_3(b: &mut Bencher) {
     let png = png::PngData::new(&input, false).unwrap();
 
     b.iter(|| {
-        deflate::deflate(png.raw_data.as_ref(), 9, 3, 15)
+        deflate::deflate(png.raw_data.as_ref(), 9, 3, 15, None)
     });
 }
 
@@ -216,7 +216,7 @@ fn deflate_2_bits_strategy_3(b: &mut Bencher) {
     let png = png::PngData::new(&input, false).unwrap();
 
     b.iter(|| {
-        deflate::deflate(png.raw_data.as_ref(), 9, 3, 15)
+        deflate::deflate(png.raw_data.as_ref(), 9, 3, 15, None)
     });
 }
 
@@ -228,7 +228,7 @@ fn deflate_1_bits_strategy_3(b: &mut Bencher) {
     let png = png::PngData::new(&input, false).unwrap();
 
     b.iter(|| {
-        deflate::deflate(png.raw_data.as_ref(), 9, 3, 15)
+        deflate::deflate(png.raw_data.as_ref(), 9, 3, 15, None)
     });
 }