--- a/Cargo.toml	2021-03-22 17:23:53.308140152 +0000
+++ b/Cargo.toml	2021-03-22 17:24:17.282592862 +0000
@@ -28,10 +28,6 @@
 [build-dependencies.cc]
 version = "1.0.18"
 
-[build-dependencies.cmake]
-version = "0.1.44"
-optional = true
-
 [build-dependencies.pkg-config]
 version = "0.3.9"
 
@@ -40,6 +36,5 @@
 default = ["libc", "stock-zlib"]
 static = []
 stock-zlib = []
-zlib-ng = ["libc", "cmake"]
 [target."cfg(target_env = \"msvc\")".build-dependencies.vcpkg]
 version = "0.2"