diff --git a/lib/hex/crypto/public_key.ex b/lib/hex/crypto/public_key.ex
deleted file mode 100644
index 401aae2f..00000000
--- a/lib/hex/crypto/public_key.ex
+++ /dev/null
@@ -1,23 +0,0 @@
-defmodule Hex.Crypto.PublicKey do
-  @moduledoc false
-
-  def decode!(id, key) do
-    [rsa_public_key] = :public_key.pem_decode(key)
-    :public_key.pem_entry_decode(rsa_public_key)
-  rescue
-    _ ->
-      Mix.raise("""
-      Could not decode public key for #{id}. The public key contents are shown below.
-
-      #{key}
-
-      Public keys must be valid and be in the PEM format.
-      """)
-  end
-
-  def verify(binary, hash, signature, keys, id) do
-    Enum.any?(keys, fn key ->
-      :public_key.verify(binary, hash, signature, decode!(id, key))
-    end)
-  end
-end