diff --git a/libcxx/test/libcxx/depr/exception.unexpected/unexpected_disabled_cpp17.verify.cpp b/libcxx/test/libcxx/depr/exception.unexpected/unexpected_disabled_cpp17.verify.cpp
index 299cb123fbda3..b92f2baa02e47 100644
--- a/libcxx/test/libcxx/depr/exception.unexpected/unexpected_disabled_cpp17.verify.cpp
+++ b/libcxx/test/libcxx/depr/exception.unexpected/unexpected_disabled_cpp17.verify.cpp
@@ -8,6 +8,11 @@
 
 // UNSUPPORTED: c++03, c++11, c++14
 
+// When built with modules, this test gives diagnostics like declaration of
+// 'unexpected' must be imported from module 'std.expected.unexpected' before
+// it is required. Therefore disable it in this configuration.
+// UNSUPPORTED: clang-modules-build
+
 // test unexpected
 
 #include <exception>