diff --git a/testsuites/unittest/posix/BUILD.gn b/testsuites/unittest/posix/BUILD.gn
index ac493392..c5e490ca 100644
--- a/testsuites/unittest/posix/BUILD.gn
+++ b/testsuites/unittest/posix/BUILD.gn
@@ -63,7 +63,6 @@ hctest_suite("PosixTest") {
 
   include_dirs = [
     "//test/xts/tools/hctest/include",
-    "//third_party/unity/src",
     "src",
   ]
   cflags = [ "-Wno-error" ]