diff --git a/clang-tools-extra/clangd/test/dependency-output.test b/clang-tools-extra/clangd/test/dependency-output.test
--- a/clang-tools-extra/clangd/test/dependency-output.test
+++ b/clang-tools-extra/clangd/test/dependency-output.test
@@ -1,4 +1,4 @@
-# UNSUPPORTED: target={{.*-windows-(gnu|msvc)}}
+# UNSUPPORTED: system-windows, target={{.*-windows-(gnu|msvc)}}
 # RUN: clangd -lit-test < %s | FileCheck -strict-whitespace %s
 {"jsonrpc":"2.0","id":0,"method":"initialize","params":{"processId":123,"rootPath":"clangd","capabilities":{},"trace":"off"}}
 ---
diff --git a/clang-tools-extra/clangd/test/did-change-configuration-params.test b/clang-tools-extra/clangd/test/did-change-configuration-params.test
--- a/clang-tools-extra/clangd/test/did-change-configuration-params.test
+++ b/clang-tools-extra/clangd/test/did-change-configuration-params.test
@@ -1,6 +1,6 @@
 # RUN: clangd -compile_args_from=lsp -lit-test < %s 2> %t | FileCheck -strict-whitespace %s
 # RUN: FileCheck --check-prefix=ERR --input-file=%t %s
-# UNSUPPORTED: target={{.*-windows-(gnu|msvc)}}
+# UNSUPPORTED: system-windows, target={{.*-windows-(gnu|msvc)}}
 {"jsonrpc":"2.0","id":0,"method":"initialize","params":{"processId":123,"rootPath":"clangd","capabilities":{},"trace":"off"}}
 ---
 {"jsonrpc":"2.0","method":"workspace/didChangeConfiguration","params":{"settings":{"compilationDatabaseChanges":{"/clangd-test/foo.c": {"workingDirectory":"/clangd-test", "compilationCommand": ["clang", "-c", "foo.c"]}}}}}
diff --git a/clang-tools-extra/clangd/test/test-uri-posix.test b/clang-tools-extra/clangd/test/test-uri-posix.test
--- a/clang-tools-extra/clangd/test/test-uri-posix.test
+++ b/clang-tools-extra/clangd/test/test-uri-posix.test
@@ -1,5 +1,5 @@
 # RUN: clangd -lit-test < %s | FileCheck -strict-whitespace %s
-# UNSUPPORTED: target={{.*-windows-(gnu|msvc)}}
+# UNSUPPORTED: system-windows, target={{.*-windows-(gnu|msvc)}}
 # Test authority-less URI
 {"jsonrpc":"2.0","id":0,"method":"initialize","params":{"processId":123,"rootPath":"clangd","capabilities":{},"trace":"off"}}
 ---