diff --git a/llvm/test/tools/opt-viewer/lit.local.cfg b/llvm/test/tools/opt-viewer/lit.local.cfg
index 90f09fed2f0bb5b..af4d7424f5eddfe 100644
--- a/llvm/test/tools/opt-viewer/lit.local.cfg
+++ b/llvm/test/tools/opt-viewer/lit.local.cfg
@@ -8,3 +8,6 @@ if 'have_opt_viewer_modules' not in config.available_features:
 # can be resolved.
 if sys.platform == 'win32':
     config.unsupported = True
+
+if sys.platform == 'darwin':
+    config.unsupported = True