diff --git a/Appendix-C:-Test-Sites.md b/Appendix-C:-Test-Sites.md
index fe479d9..c130dd6 100644
--- a/Appendix-C:-Test-Sites.md
+++ b/Appendix-C:-Test-Sites.md
@@ -34,7 +34,6 @@ If you would like to submit a test page to be added to this list, please post th
 - [Qualys SSL Labs](https://www.ssllabs.com/ssltest/viewMyClient.html) - **h**ttps://www.ssllabs.com/ssltest/viewMyClient.html
 - [Fortify](https://www.fortify.net/sslcheck.html) - **h**ttps://www.fortify.net/sslcheck.html
 - [How's My SSL](https://www.howsmyssl.com/) - **h**ttps://www.howsmyssl.com/
-- [RC4](https://rc4.io/) - **h**ttps://rc4.io/
 - [Heartbleed](https://filippo.io/Heartbleed/) - **h**ttps://filippo.io/Heartbleed/
 - [Freak Attack](https://freakattack.com/clienttest.html) - **h**ttps://freakattack.com/clienttest.html
 - [Logjam](https://weakdh.org/) - **h**ttps://weakdh.org/