diff --git a/Cargo.toml b/Cargo.toml
index 3c6597b5c..93cb041b1 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -183,11 +183,8 @@ features = [
   "Win32_Foundation",
   "Win32_Storage_FileSystem",
   "Win32_System_Console",
-  "Win32_System_IO",
   "Win32_System_Threading",
   "Win32_System_JobObjects",
-  "Win32_Security",
-  "Win32_System_SystemServices"
 ]
 
 [dev-dependencies]