diff --git a/tests/constructors/invalid_reference.cc b/tests/constructors/invalid_reference.cc
index 4dff9864..f54cdf0a 100644
--- a/tests/constructors/invalid_reference.cc
+++ b/tests/constructors/invalid_reference.cc
@@ -4,6 +4,10 @@ template<class T>
 Foo::Foo() {}
 
 /*
+EXTRA_FLAGS:
+-fms-compatibility
+-fdelayed-template-parsing
+
 OUTPUT:
 {
   "includes": [],
diff --git a/tests/templates/specialized_func_definition.cc b/tests/templates/specialized_func_definition.cc
index 91acd49e..697e7326 100644
--- a/tests/templates/specialized_func_definition.cc
+++ b/tests/templates/specialized_func_definition.cc
@@ -14,6 +14,10 @@ void Template<void>::Foo() {}
 // TODO: usage information on Template is bad.
 // TODO: Foo() should have multiple definitions.
 
+EXTRA_FLAGS:
+-fms-compatibility
+-fdelayed-template-parsing
+
 OUTPUT:
 {
   "includes": [],