diff --git a/sha1-checked/benches/mod.rs b/sha1-checked/benches/mod.rs
index e5d64170e..feeb366d7 100644
--- a/sha1-checked/benches/mod.rs
+++ b/sha1-checked/benches/mod.rs
@@ -3,6 +3,7 @@ extern crate test;
 
 use digest::bench_update;
 use sha1::Sha1;
+use sha1_checked::Sha1 as Sha1Checked;
 use test::Bencher;
 
 bench_update!(
@@ -13,29 +14,26 @@ bench_update!(
     sha1_10000 10000;
 );
 
-#[cfg(feature = "collision")]
 bench_update!(
-    sha1::checked::Sha1::default();
-    sha1_collision_10 10;
-    sha1_collision_100 100;
-    sha1_collision_1000 1000;
-    sha1_collision_10000 10000;
+    Sha1Checked::default();
+    sha1_checked_10 10;
+    sha1_checked_100 100;
+    sha1_checked_1000 1000;
+    sha1_checked_10000 10000;
 );
 
-#[cfg(feature = "collision")]
 bench_update!(
-    sha1::checked::Sha1::builder().detect_collision(false).build();
-    sha1_collision_no_check_10 10;
-    sha1_collision_no_check_100 100;
-    sha1_collision_no_check_1000 1000;
-    sha1_collision_no_check_10000 10000;
+    Sha1Checked::builder().detect_collision(false).build();
+    sha1_checked_no_check_10 10;
+    sha1_checked_no_check_100 100;
+    sha1_checked_no_check_1000 1000;
+    sha1_checked_no_check_10000 10000;
 );
 
-#[cfg(feature = "collision")]
 bench_update!(
-    sha1::checked::Sha1::builder().use_ubc(false).build();
-    sha1_collision_no_ubc_10 10;
-    sha1_collision_no_ubc_100 100;
-    sha1_collision_no_ubc_1000 1000;
-    sha1_collision_no_ubc_10000 10000;
+    Sha1Checked::builder().use_ubc(false).build();
+    sha1_checked_no_ubc_10 10;
+    sha1_checked_no_ubc_100 100;
+    sha1_checked_no_ubc_1000 1000;
+    sha1_checked_no_ubc_10000 10000;
 );
diff --git a/sha1/benches/mod.rs b/sha1/benches/mod.rs
index e5d64170e..5c52e954c 100644
--- a/sha1/benches/mod.rs
+++ b/sha1/benches/mod.rs
@@ -12,30 +12,3 @@ bench_update!(
     sha1_1000 1000;
     sha1_10000 10000;
 );
-
-#[cfg(feature = "collision")]
-bench_update!(
-    sha1::checked::Sha1::default();
-    sha1_collision_10 10;
-    sha1_collision_100 100;
-    sha1_collision_1000 1000;
-    sha1_collision_10000 10000;
-);
-
-#[cfg(feature = "collision")]
-bench_update!(
-    sha1::checked::Sha1::builder().detect_collision(false).build();
-    sha1_collision_no_check_10 10;
-    sha1_collision_no_check_100 100;
-    sha1_collision_no_check_1000 1000;
-    sha1_collision_no_check_10000 10000;
-);
-
-#[cfg(feature = "collision")]
-bench_update!(
-    sha1::checked::Sha1::builder().use_ubc(false).build();
-    sha1_collision_no_ubc_10 10;
-    sha1_collision_no_ubc_100 100;
-    sha1_collision_no_ubc_1000 1000;
-    sha1_collision_no_ubc_10000 10000;
-);