diff --git a/src/vt/objgroup/proxy/proxy_objgroup.impl.h b/src/vt/objgroup/proxy/proxy_objgroup.impl.h
index e188bf0fe6..46cf20ad69 100644
--- a/src/vt/objgroup/proxy/proxy_objgroup.impl.h
+++ b/src/vt/objgroup/proxy/proxy_objgroup.impl.h
@@ -102,6 +102,9 @@ Proxy<ObjT>::broadcast(Params&&... params) const {
     auto msg = makeMessage<MsgT>(std::forward<Params>(params)...);
     return broadcastMsg<MsgT, f>(msg);
   }
+
+  // Silence nvcc warning (no longer needed for CUDA 11.7 and up)
+  return typename Proxy<ObjT>::PendingSendType{std::nullptr_t{}};
 }
 
 template <typename ObjT>
diff --git a/src/vt/objgroup/proxy/proxy_objgroup_elm.impl.h b/src/vt/objgroup/proxy/proxy_objgroup_elm.impl.h
index 9ff699b67f..dccd7b4f09 100644
--- a/src/vt/objgroup/proxy/proxy_objgroup_elm.impl.h
+++ b/src/vt/objgroup/proxy/proxy_objgroup_elm.impl.h
@@ -95,6 +95,9 @@ ProxyElm<ObjT>::send(Params&&... params) const {
     auto msg = makeMessage<MsgT>(std::forward<Params>(params)...);
     return sendMsg<MsgT, f>(msg);
   }
+
+  // Silence nvcc warning (no longer needed for CUDA 11.7 and up)
+  return ProxyElm<ObjT>::PendingSendType{std::nullptr_t{}};
 }
 
 template <typename ObjT>
diff --git a/src/vt/vrt/collection/broadcast/broadcastable.impl.h b/src/vt/vrt/collection/broadcast/broadcastable.impl.h
index 51f2e17d05..f48672da5e 100644
--- a/src/vt/vrt/collection/broadcast/broadcastable.impl.h
+++ b/src/vt/vrt/collection/broadcast/broadcastable.impl.h
@@ -197,6 +197,9 @@ Broadcastable<ColT, IndexT, BaseProxyT>::broadcast(Params&&... params) const {
     auto msg = makeMessage<MsgT>(std::forward<Params>(params)...);
     return broadcastMsg<MsgT, f>(msg);
   }
+
+  // Silence nvcc warning (no longer needed for CUDA 11.7 and up)
+  return messaging::PendingSend{std::nullptr_t{}};
 }
 
 template <typename ColT, typename IndexT, typename BaseProxyT>
@@ -220,6 +223,9 @@ Broadcastable<ColT, IndexT, BaseProxyT>::broadcastCollective(Params&&... params)
     auto msg = makeMessage<MsgT>(std::forward<Params>(params)...);
     return broadcastCollectiveMsg<MsgT, f>(msg);
   }
+
+  // Silence nvcc warning (no longer needed for CUDA 11.7 and up)
+  return messaging::PendingSend{std::nullptr_t{}};
 }
 
 template <typename ColT, typename IndexT, typename BaseProxyT>
diff --git a/src/vt/vrt/collection/send/sendable.impl.h b/src/vt/vrt/collection/send/sendable.impl.h
index 9ae9cecb78..9118a84884 100644
--- a/src/vt/vrt/collection/send/sendable.impl.h
+++ b/src/vt/vrt/collection/send/sendable.impl.h
@@ -153,6 +153,9 @@ messaging::PendingSend Sendable<ColT,IndexT,BaseProxyT>::send(Params&&... params
     auto msg = makeMessage<MsgT>(std::forward<Params>(params)...);
     return sendMsg<MsgT, f>(msg);
   }
+
+  // Silence nvcc warning (no longer needed for CUDA 11.7 and up)
+  return messaging::PendingSend{std::nullptr_t{}};
 }