diff --git a/include/cantera/zeroD/ReactorSurface.h b/include/cantera/zeroD/ReactorSurface.h
index 676c4637e..d8acc8d06 100644
--- a/include/cantera/zeroD/ReactorSurface.h
+++ b/include/cantera/zeroD/ReactorSurface.h
@@ -16,7 +16,6 @@ class SurfPhase;
 
 //! A surface where reactions can occur that is in contact with the bulk fluid of a
 //! Reactor.
-//! @ingroup wallGroup
 class ReactorSurface
 {
 public: