diff --git a/hashes/src/hash160.rs b/hashes/src/hash160.rs
index 9e85271ba..b59d0379b 100644
--- a/hashes/src/hash160.rs
+++ b/hashes/src/hash160.rs
@@ -98,7 +98,7 @@ mod tests {
             }
             let manual_hash = Hash::from_engine(engine);
             assert_eq!(hash, manual_hash);
-            assert_eq!(hash.to_byte_array()[..].as_ref(), test.output.as_slice());
+            assert_eq!(hash.to_byte_array(), test.output);
         }
     }
 
diff --git a/hashes/src/ripemd160.rs b/hashes/src/ripemd160.rs
index dffdfaf40..3935ea25f 100644
--- a/hashes/src/ripemd160.rs
+++ b/hashes/src/ripemd160.rs
@@ -489,7 +489,7 @@ mod tests {
             }
             let manual_hash = ripemd160::Hash::from_engine(engine);
             assert_eq!(hash, manual_hash);
-            assert_eq!(hash.as_byte_array(), test.output.as_slice());
+            assert_eq!(hash.to_byte_array(), test.output);
         }
     }
 
diff --git a/hashes/src/sha1.rs b/hashes/src/sha1.rs
index 5c586c07e..ea9ce848f 100644
--- a/hashes/src/sha1.rs
+++ b/hashes/src/sha1.rs
@@ -193,7 +193,7 @@ mod tests {
             }
             let manual_hash = sha1::Hash::from_engine(engine);
             assert_eq!(hash, manual_hash);
-            assert_eq!(hash.as_byte_array(), test.output.as_slice());
+            assert_eq!(hash.to_byte_array(), test.output);
         }
     }
 
diff --git a/hashes/src/sha256.rs b/hashes/src/sha256.rs
index b3d0f0e59..0e23142e7 100644
--- a/hashes/src/sha256.rs
+++ b/hashes/src/sha256.rs
@@ -926,7 +926,7 @@ mod tests {
             }
             let manual_hash = sha256::Hash::from_engine(engine);
             assert_eq!(hash, manual_hash);
-            assert_eq!(hash.to_byte_array()[..].as_ref(), test.output.as_slice());
+            assert_eq!(hash.to_byte_array(), test.output);
         }
     }
 
diff --git a/hashes/src/sha256d.rs b/hashes/src/sha256d.rs
index 6e26ea643..f0be7c0de 100644
--- a/hashes/src/sha256d.rs
+++ b/hashes/src/sha256d.rs
@@ -92,7 +92,7 @@ mod tests {
             let sha2d_hash = sha2_hash.hash_again();
             assert_eq!(hash, sha2d_hash);
 
-            assert_eq!(hash.to_byte_array()[..].as_ref(), test.output.as_slice());
+            assert_eq!(hash.to_byte_array(), test.output);
         }
     }
 
diff --git a/hashes/src/sha384.rs b/hashes/src/sha384.rs
index 6ab941449..2531624ed 100644
--- a/hashes/src/sha384.rs
+++ b/hashes/src/sha384.rs
@@ -133,7 +133,7 @@ mod tests {
             }
             let manual_hash = sha384::Hash::from_engine(engine);
             assert_eq!(hash, manual_hash);
-            assert_eq!(hash.to_byte_array()[..].as_ref(), test.output.as_slice());
+            assert_eq!(hash.to_byte_array(), test.output);
         }
     }
 }
diff --git a/hashes/src/sha512.rs b/hashes/src/sha512.rs
index 1642129d4..689691b89 100644
--- a/hashes/src/sha512.rs
+++ b/hashes/src/sha512.rs
@@ -380,7 +380,7 @@ mod tests {
             }
             let manual_hash = sha512::Hash::from_engine(engine);
             assert_eq!(hash, manual_hash);
-            assert_eq!(hash.to_byte_array()[..].as_ref(), test.output.as_slice());
+            assert_eq!(hash.to_byte_array(), test.output);
         }
     }
 
diff --git a/hashes/src/sha512_256.rs b/hashes/src/sha512_256.rs
index 1f373b11f..3c303c8c2 100644
--- a/hashes/src/sha512_256.rs
+++ b/hashes/src/sha512_256.rs
@@ -133,7 +133,7 @@ mod tests {
             }
             let manual_hash = sha512_256::Hash::from_engine(engine);
             assert_eq!(hash, manual_hash);
-            assert_eq!(hash.to_byte_array()[..].as_ref(), test.output.as_slice());
+            assert_eq!(hash.to_byte_array(), test.output);
         }
     }
 }