1 files changed, 0 insertions, 1 deletions
diff --git a/src/options.hpp b/src/options.hpp
index 9f4a264..4d359e3 100644
--- a/src/options.hpp
+++ b/src/options.hpp
@@ -34,7 +34,6 @@ namespace zmq
         int64_t hwm;
         int64_t lwm;
         int64_t swap;
-        uint64_t mask;
         uint64_t affinity;
         std::string identity;