Remove dead proxies.
diff --git a/PackageManagementTools.md b/PackageManagementTools.md
index 84798ca..44e4f38 100644
--- a/PackageManagementTools.md
+++ b/PackageManagementTools.md
@@ -126,20 +126,10 @@
|Author |Morten Siebuhr |
|Categories |Import Proxy (git) |
| | |
-| **gopin** |http://gopin.org |
-|Title |Tool-less version pinning for Go |
-|Author |Alexander Suma |
-|Categories |Import Proxy (GitHub) |
-| | |
| **gopkg.in** |https://gopkg.in |
|Title |Redirect the go tool onto well defined GitHub repositories. Versioning with tags and branches or the repository name.|
|Author |Gustavo Niemeyer |
|Categories |Import Proxy (GitHub) |
-| | |
-| **gopkg.cc** |http://gopkg.cc |
-|Title |Exposes each branch and tag in a GitHub repository at a separate package path|
-|Author |Simon Menke |
-|Categories |Import Proxy (GitHub) |
## Go Version Managers
Go Version Managers allow you to have multiple versions of Go installed on your machine. It allows you to switch between those versions.