diff --git a/include/ircd/m/feds.h b/include/ircd/m/feds.h
index 6b187bb55..b28f64146 100644
--- a/include/ircd/m/feds.h
+++ b/include/ircd/m/feds.h
@@ -95,7 +95,7 @@ struct ircd::m::feds::result
 struct ircd::m::feds::opts
 {
 	/// Operation type
-	enum op op {(enum op)0};
+	feds::op op {feds::op::noop};
 
 	/// Timeout for this operation. For a batch of operations, this system
 	/// may attempt -- but does not guarantee -- to cancel timed-out requests
diff --git a/include/ircd/m/fetch.h b/include/ircd/m/fetch.h
index 23282d174..969a1b7c6 100644
--- a/include/ircd/m/fetch.h
+++ b/include/ircd/m/fetch.h
@@ -69,7 +69,7 @@ enum class ircd::m::fetch::op
 struct ircd::m::fetch::opts
 {
 	/// Operation to perform.
-	fetch::op op {op::noop};
+	fetch::op op {fetch::op::noop};
 
 	/// room::id apropos. Many federation requests require a room_id, but
 	/// nevertheless a room_id is still used by this unit as a pool of servers.
diff --git a/include/ircd/m/vm/opts.h b/include/ircd/m/vm/opts.h
index 6fb30da5a..069c87316 100644
--- a/include/ircd/m/vm/opts.h
+++ b/include/ircd/m/vm/opts.h
@@ -203,8 +203,6 @@ struct ircd::m::vm::opts
 
 	/// Point this at a json::stack to transcribe output.
 	json::stack::object *out {nullptr};
-
-	opts() noexcept;
 };
 
 /// Extension structure to vm::opts which includes additional options for
@@ -244,6 +242,4 @@ struct ircd::m::vm::copts
 
 	/// Whether to log an info message after commit accepted
 	bool infolog_postcommit {false};
-
-	copts() noexcept;
 };
diff --git a/matrix/fetch.cc b/matrix/fetch.cc
index 714d245d8..c022ec579 100644
--- a/matrix/fetch.cc
+++ b/matrix/fetch.cc
@@ -169,7 +169,7 @@ ircd::m::fetch::start(opts opts)
 
 	assert(!exists || it->opts.room_id == opts.room_id);
 	if(!exists)
-		it = requests.emplace_hint(it, opts);
+		it = requests.emplace_hint(it, std::move(opts));
 
 	auto &request
 	{
diff --git a/matrix/init_backfill.cc b/matrix/init_backfill.cc
index 4f8231bb6..d40ff15a3 100644
--- a/matrix/init_backfill.cc
+++ b/matrix/init_backfill.cc
@@ -364,19 +364,17 @@ catch(const std::exception &e)
 void
 ircd::m::init::backfill::handle_room(const room::id &room_id)
 {
-	{
-		struct m::acquire::opts opts;
-		opts.room = room_id;
-		opts.viewport_size = ssize_t(m::room::events::viewport_size);
-		opts.viewport_size *= size_t(viewports);
-		opts.vmopts.infolog_accept = true;
-		opts.vmopts.warnlog &= ~vm::fault::EXISTS;
-		opts.attempt_max = size_t(attempt_max);
-		m::acquire
+	m::acquire
+	{{
+		.room = room_id,
+		.viewport_size = ssize_t(m::room::events::viewport_size) * size_t(viewports),
+		.attempt_max = size_t(attempt_max),
+		.vmopts = vm::opts
 		{
-			opts
-		};
-	}
+			.warnlog = 0,
+			.infolog_accept = true,
+		},
+	}};
 
 	if(reset_head)
 		room::head::reset(room(room_id));
diff --git a/matrix/vm.cc b/matrix/vm.cc
index 9a48f8e42..c7d77c3b1 100644
--- a/matrix/vm.cc
+++ b/matrix/vm.cc
@@ -258,23 +258,3 @@ ircd::m::vm::sequence::get(const eval &eval)
 {
 	return eval.sequence;
 }
-
-//
-// copts (creation options)
-//
-
-// Out-of-line linkage
-ircd::m::vm::copts::copts()
-noexcept
-{
-}
-
-//
-// opts (options)
-//
-
-// Out-of-line linkage
-ircd::m::vm::opts::opts()
-noexcept
-{
-}