--- a/Cargo.toml
+++ b/Cargo.toml
@@ -86,10 +86,7 @@
     "encoding_rs",
     "lazy_static",
     "libc",
-    "num-format-windows",
     "std",
-    "widestring",
-    "winapi/winnls",
 ]
 
 [target."cfg(unix)".dependencies.cfg-if]
@@ -103,16 +100,3 @@
 [target."cfg(unix)".dependencies.libc]
 version = "0.2.134"
 optional = true
-
-[target."cfg(windows)".dependencies.num-format-windows]
-version = "0.4.4"
-optional = true
-
-[target."cfg(windows)".dependencies.widestring]
-version = "1.0.2"
-optional = true
-
-[target."cfg(windows)".dependencies.winapi]
-version = "0.3.9"
-features = ["winnls"]
-optional = true