diff --git a/secp256k1-sys/src/macros.rs b/secp256k1-sys/src/macros.rs
index 98499ff76..35734fcce 100644
--- a/secp256k1-sys/src/macros.rs
+++ b/secp256k1-sys/src/macros.rs
@@ -45,15 +45,6 @@ macro_rules! impl_array_newtype {
             }
         }
 
-        impl AsRef<[$ty; $len]> for $thing {
-            #[inline]
-            /// Gets a reference to the underlying array
-            fn as_ref(&self) -> &[$ty; $len] {
-                let &$thing(ref dat) = self;
-                dat
-            }
-        }
-
         // We cannot derive these traits because Rust 1.41.1 requires `std::array::LengthAtMost32`.
 
        #[cfg(fuzzing)]
@@ -90,6 +81,15 @@ macro_rules! impl_array_newtype {
             }
         }
 
+        impl AsRef<[$ty; $len]> for $thing {
+            #[inline]
+            /// Gets a reference to the underlying array
+            fn as_ref(&self) -> &[$ty; $len] {
+                let &$thing(ref dat) = self;
+                dat
+            }
+        }
+
         impl<I> core::ops::Index<I> for $thing
         where
             [$ty]: core::ops::Index<I>,
diff --git a/src/macros.rs b/src/macros.rs
index 1ed2bd135..e89e8d07d 100644
--- a/src/macros.rs
+++ b/src/macros.rs
@@ -18,15 +18,6 @@
 macro_rules! impl_array_newtype {
     ($thing:ident, $ty:ty, $len:expr) => {
 
-        impl AsRef<[$ty; $len]> for $thing {
-            #[inline]
-            /// Gets a reference to the underlying array
-            fn as_ref(&self) -> &[$ty; $len] {
-                let &$thing(ref dat) = self;
-                dat
-            }
-        }
-
         // We cannot derive these traits because Rust 1.41.1 requires `std::array::LengthAtMost32`.
 
         impl PartialEq for $thing {
@@ -58,6 +49,15 @@ macro_rules! impl_array_newtype {
             }
         }
 
+        impl AsRef<[$ty; $len]> for $thing {
+            #[inline]
+            /// Gets a reference to the underlying array
+            fn as_ref(&self) -> &[$ty; $len] {
+                let &$thing(ref dat) = self;
+                dat
+            }
+        }
+
         impl<I> core::ops::Index<I> for $thing
         where
             [$ty]: core::ops::Index<I>,