diff --git a/Cargo.toml b/Cargo.toml
index 7de2404..4505d10 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -13,7 +13,6 @@ version = "0.17.0"
 default = ["url"]
 
 [dependencies]
-arrayref = "0.3"
 byteorder = "1.3.1"
 data-encoding = "2.1"
 multibase = "0.9.1"
diff --git a/src/protocol.rs b/src/protocol.rs
index 006962d..f4516ab 100644
--- a/src/protocol.rs
+++ b/src/protocol.rs
@@ -1,6 +1,5 @@
 use crate::onion_addr::Onion3Addr;
 use crate::{Error, Result};
-use arrayref::array_ref;
 use byteorder::{BigEndian, ByteOrder, ReadBytesExt, WriteBytesExt};
 use data_encoding::BASE32;
 use multihash::Multihash;
@@ -106,6 +105,11 @@ pub enum Protocol<'a> {
     Wss(Cow<'a, str>),
 }
 
+#[inline]
+fn array_ref<const N: usize, T>(s: &[T]) -> &[T; N] {
+    unsafe { &*(&s[..N] as *const [T] as *const [T; N]) }
+}
+
 impl<'a> Protocol<'a> {
     /// Parse a protocol value from the given iterator of string slices.
     ///
@@ -298,7 +302,7 @@ impl<'a> Protocol<'a> {
                 let (data, rest) = split_at(12, input)?;
                 let port = BigEndian::read_u16(&data[10..]);
                 Ok((
-                    Protocol::Onion(Cow::Borrowed(array_ref!(data, 0, 10)), port),
+                    Protocol::Onion(Cow::Borrowed(array_ref::<10, _>(&data)), port),
                     rest,
                 ))
             }
@@ -306,7 +310,7 @@ impl<'a> Protocol<'a> {
                 let (data, rest) = split_at(37, input)?;
                 let port = BigEndian::read_u16(&data[35..]);
                 Ok((
-                    Protocol::Onion3((array_ref!(data, 0, 35), port).into()),
+                    Protocol::Onion3((array_ref::<35, _>(&data), port).into()),
                     rest,
                 ))
             }