diff --git a/test/cfoa/helpers.hpp b/test/cfoa/helpers.hpp
index b5fa1046..497c693d 100644
--- a/test/cfoa/helpers.hpp
+++ b/test/cfoa/helpers.hpp
@@ -24,7 +24,7 @@ struct transp_hash
 
   template <class T> std::size_t operator()(T const& t) const noexcept
   {
-    std::this_thread::yield();
+    // std::this_thread::yield();
     return boost::hash<T>()(t);
   }
 };
@@ -35,7 +35,7 @@ struct transp_key_equal
 
   template <class T, class U> bool operator()(T const& lhs, U const& rhs) const
   {
-    std::this_thread::yield();
+    // std::this_thread::yield();
     return lhs == rhs;
   }
 };
@@ -59,7 +59,7 @@ struct stateful_hash
   {
     std::size_t h = static_cast<std::size_t>(x_);
     boost::hash_combine(h, t);
-    std::this_thread::yield();
+    // std::this_thread::yield();
     return h;
   }
 
@@ -96,7 +96,7 @@ struct stateful_key_equal
 
   template <class T, class U> bool operator()(T const& t, U const& u) const
   {
-    std::this_thread::yield();
+    // std::this_thread::yield();
     return t == u;
   }
 
@@ -387,4 +387,4 @@ void check_raii_counts()
     raii::destructor);
 }
 
-#endif // BOOST_UNORDERED_TEST_CFOA_HELPERS_HPP
\ No newline at end of file
+#endif // BOOST_UNORDERED_TEST_CFOA_HELPERS_HPP