Index: git2/Cargo.toml
===================================================================
--- git2.orig/Cargo.toml
+++ git2/Cargo.toml
@@ -47,7 +47,6 @@ https = [
 ]
 ssh = ["libgit2-sys/ssh"]
 unstable = []
-zlib-ng-compat = ["libgit2-sys/zlib-ng-compat"]
 
 [lib]
 name = "git2"