diff --git a/NEWS b/NEWS
index e5d9b243..6e220846 100644
--- a/NEWS
+++ b/NEWS
@@ -16,6 +16,7 @@ What's New in libchewing (unreleased)
   - New boolean config option `chewing.sort_candidates_by_frequency` can be
     set to enable sorting candidates by frequency.
   - Rust type SyllableSlice is removed from public interfaces.
+  - Provide libchewing as a Swift package (C based API only).
 
 * Bug Fixes
   - Auto shift cursor after candidate selection now moves the cursor to the
diff --git a/swift/tools/CargoBuildPlugin/Plugin.swift b/swift/tools/CargoBuildPlugin/Plugin.swift
index b6436fbb..77f5eed8 100644
--- a/swift/tools/CargoBuildPlugin/Plugin.swift
+++ b/swift/tools/CargoBuildPlugin/Plugin.swift
@@ -39,7 +39,7 @@ struct CargoBuildPlugin: BuildToolPlugin {
         init(_ s: String) { description = s }
       }
       throw UserError(
-        "`cargo` not found on the system. Please install Rust (https://rustup.rs/) to enable automatic builds, or disable automatic Cargo build by setting `LIBCHEWING_AUTO_BUILD_CARGO=0` and run `swift/scripts/build-cargo.sh` manually to produce the library before running `swift build`."
+        "`cargo` not found on the system. Please install Rust (https://rustup.rs/) to enable automatic builds, or disable automatic Cargo build by setting `LIBCHEWING_AUTO_BUILD_CARGO=0` and manually compile the Rust library before running `swift build`."
       )
     }
 
diff --git a/tools/CargoBuildPlugin/Plugin.swift b/tools/CargoBuildPlugin/Plugin.swift
deleted file mode 100644
index 7b50ce52..00000000
--- a/tools/CargoBuildPlugin/Plugin.swift
+++ /dev/null
@@ -1,69 +0,0 @@
-import Foundation
-import PackagePlugin
-
-@main
-struct CargoBuildPlugin: BuildToolPlugin {
-  func createBuildCommands(context: PluginContext, target: Target) throws -> [Command] {
-    // Paths
-    let packageDir = context.package.directoryURL
-    let capiDir = packageDir.appendingPathComponent("capi")
-    // Use the plugin's work directory (sandboxed) to avoid macOS permission issues
-    let scratchTarget = context.pluginWorkDirectoryURL.appendingPathComponent("cargo-target")
-
-    // Auto-build is enabled by default. To disable automatic Cargo build, set `LIBCHEWING_AUTO_BUILD_CARGO=0`.
-    if ProcessInfo.processInfo.environment["LIBCHEWING_AUTO_BUILD_CARGO"] == "0" {
-      return []
-    }
-
-    // Prefer common cargo install locations; if not found, abort with a clear error
-    let fm = FileManager.default
-    let home = fm.homeDirectoryForCurrentUser.path
-    let candidates: [URL] = [
-      URL(fileURLWithPath: "/usr/bin/cargo"),
-      URL(fileURLWithPath: "/usr/local/bin/cargo"),
-      URL(fileURLWithPath: "/opt/homebrew/bin/cargo"),
-      URL(fileURLWithPath: "\(home)/.cargo/bin/cargo"),
-    ]
-
-    var cargoURL: URL? = nil
-    for url in candidates {
-      if fm.fileExists(atPath: url.path) {
-        cargoURL = url
-        break
-      }
-    }
-
-    guard let cargo = cargoURL else {
-      struct UserError: Error, CustomStringConvertible {
-        let description: String
-        init(_ s: String) { description = s }
-      }
-      throw UserError(
-        "`cargo` not found on the system. Please install Rust (https://rustup.rs/) to enable automatic builds, or disable automatic Cargo build by setting `LIBCHEWING_AUTO_BUILD_CARGO=0` and run `scripts/build-cargo.sh` manually to produce the library before running `swift build`."
-      )
-    }
-
-    let manifestPath = capiDir.appendingPathComponent("Cargo.toml").path
-    let targetDir = scratchTarget.path
-
-    // Arguments: build the chewing_capi crate in release mode into the plugin workdir target
-    let args = [
-      "build",
-      "--release",
-      "--manifest-path",
-      manifestPath,
-      "--target-dir",
-      targetDir,
-    ]
-
-    return [
-      .prebuildCommand(
-        displayName: "Building chewing_capi via cargo",
-        executable: cargo,
-        arguments: args,
-        environment: [:],
-        outputFilesDirectory: scratchTarget
-      )
-    ]
-  }
-}