--- libgit2-sys/Cargo.toml	2020-09-08 17:24:05.000000000 +0000
+++ libgit2-sys/Cargo.toml	2020-12-07 00:15:20.413037311 +0000
@@ -47,7 +47,6 @@
 https = ["openssl-sys"]
 ssh = ["libssh2-sys"]
 ssh_key_from_memory = []
-zlib-ng-compat = ["libz-sys/zlib-ng", "libssh2-sys/zlib-ng-compat"]
 [target."cfg(unix)".dependencies.openssl-sys]
 version = "0.9"
 optional = true