diff --git a/Cargo.lock b/Cargo.lock
index 16e49d5be..1bf9a4aa7 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -612,12 +612,6 @@ dependencies = [
  "unicode-width 0.2.0",
 ]
 
-[[package]]
-name = "comma"
-version = "1.0.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "55b672471b4e9f9e95499ea597ff64941a309b2cdbffcc46f2cc5e2d971fd335"
-
 [[package]]
 name = "concurrent-queue"
 version = "2.5.0"
@@ -678,7 +672,6 @@ dependencies = [
  "log",
  "rand 0.9.2",
  "rand_chacha 0.9.0",
- "rexpect",
  "rusqlite",
  "tempfile",
  "test-log",
@@ -2482,17 +2475,6 @@ dependencies = [
  "libc",
 ]
 
-[[package]]
-name = "nix"
-version = "0.27.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2eb04e9c688eff1c89d72b407f168cf79bb9e867a9d3323ed6c01519eb9cc053"
-dependencies = [
- "bitflags 2.9.0",
- "cfg-if",
- "libc",
-]
-
 [[package]]
 name = "nix"
 version = "0.29.0"
@@ -3216,19 +3198,6 @@ version = "1.9.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ba39f3699c378cd8970968dcbff9c43159ea4cfbd88d43c00b22f2ef10a435d2"
 
-[[package]]
-name = "rexpect"
-version = "0.6.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c020234fb542618dc3e3d43724e9d93f87e1db74040a76a8c4e830220fb9b20d"
-dependencies = [
- "comma",
- "nix 0.27.1",
- "regex",
- "tempfile",
- "thiserror 1.0.69",
-]
-
 [[package]]
 name = "rgb"
 version = "0.8.50"
diff --git a/core/io/mod.rs b/core/io/mod.rs
index 3eaa65ccc..58f663592 100644
--- a/core/io/mod.rs
+++ b/core/io/mod.rs
@@ -330,14 +330,9 @@ cfg_block! {
         mod io_uring;
         #[cfg(feature = "fs")]
         pub use io_uring::UringIO;
-        mod unix;
-        #[cfg(feature = "fs")]
-        pub use unix::UnixIO;
-        pub use unix::UnixIO as SyscallIO;
-        pub use unix::UnixIO as PlatformIO;
     }
 
-    #[cfg(any(all(target_os = "linux",not(feature = "io_uring")), target_os = "macos"))] {
+    #[cfg(target_family = "unix")] {
         mod unix;
         #[cfg(feature = "fs")]
         pub use unix::UnixIO;
diff --git a/tests/Cargo.toml b/tests/Cargo.toml
index 9353fa47b..ee367027a 100644
--- a/tests/Cargo.toml
+++ b/tests/Cargo.toml
@@ -32,7 +32,3 @@ zerocopy = "0.8.26"
 test-log = { version = "0.2.17", features = ["trace"] }
 tracing-subscriber = { version = "0.3.19", features = ["env-filter"] }
 tracing = "0.1.41"
-
-# rexpect does not support windows.
-[target.'cfg(not(windows))'.dependencies]
-rexpect = "0.6.0"