diff --git a/test/openssl/test_pkey.rb b/test/openssl/test_pkey.rb
index 198c3b342..f74b82f14 100644
--- a/test/openssl/test_pkey.rb
+++ b/test/openssl/test_pkey.rb
@@ -433,17 +433,6 @@ def test_s_from_parameters_dh_with_invalid_parameter
       e = assert_raise(OpenSSL::PKey::PKeyError) { OpenSSL::PKey.from_parameters("DH", invalid: 1234) }
       assert_match(/Invalid parameter "invalid"/, e.message)
     end
-
-    def test_s_from_parameters_ed25519
-      key = OpenSSL::PKey.from_parameters("ED25519", pub: "\xD0\x8E\xA8\x96\xB6Fbi{$k\xAC\xB8\xA2V\xF4n\xC3\xD06}R\x8A\xE6I\xA7r\xF6D{W\x84")
-      assert_instance_of OpenSSL::PKey::PKey, key
-      assert_equal "-----BEGIN PUBLIC KEY-----\nMCowBQYDK2VwAyEA0I6olrZGYml7JGusuKJW9G7D0DZ9UormSady9kR7V4Q=\n-----END PUBLIC KEY-----\n", key.public_to_pem
-    end
-
-    def test_s_from_parameters_ed25519_with_invalid_parameters
-      e = assert_raise(OpenSSL::PKey::PKeyError) { OpenSSL::PKey.from_parameters("ED25519", invalid: 12345) }
-      assert_equal 'Invalid parameter "invalid". Supported parameters: "pub, priv, pub_key, priv_key"', e.message
-    end
   else
     def test_from_parameter_raises_on_pre_3_openssl
       e = assert_raise(OpenSSL::PKey::PKeyError) {