diff --git a/Tests/LinuxMain.swift b/Tests/LinuxMain.swift
deleted file mode 100644
index 917e33104..000000000
--- a/Tests/LinuxMain.swift
+++ /dev/null
@@ -1,19 +0,0 @@
-//===----------------------------------------------------------*- swift -*-===//
-//
-// This source file is part of the Swift Argument Parser open source project
-//
-// Copyright (c) 2020 Apple Inc. and the Swift project authors
-// Licensed under Apache License v2.0 with Runtime Library Exception
-//
-// See https://swift.org/LICENSE.txt for license information
-//
-//===----------------------------------------------------------------------===//
-
-#error("""
-
-  -----------------------------------------------------
-
-  Please test with `swift test --enable-test-discovery`
-
-  -----------------------------------------------------
-  """)