--- libz-sys-1.0.20/Cargo.toml	1969-12-31T16:00:00-08:00
+++ libz-sys-1.0.20/Cargo.toml	2018-08-06T18:06:39.860299-07:00
@@ -28,5 +28,3 @@
 
 [build-dependencies.pkg-config]
 version = "0.3.9"
-[target."cfg(target_env = \"msvc\")".build-dependencies.vcpkg]
-version = "0.2"