diff --git a/modules/client/sync.cc b/modules/client/sync.cc
index e96408711..ee6c76b81 100644
--- a/modules/client/sync.cc
+++ b/modules/client/sync.cc
@@ -35,27 +35,6 @@ on the server, and then continue to call this API to get incremental deltas
 to the state, and to receive new messages.
 )"};
 
-ircd::conf::item<ircd::milliseconds>
-ircd::m::sync::args::timeout_max
-{
-	{ "name",     "ircd.client.sync.timeout.max"  },
-	{ "default",  15 * 1000L                      },
-};
-
-ircd::conf::item<ircd::milliseconds>
-ircd::m::sync::args::timeout_min
-{
-	{ "name",     "ircd.client.sync.timeout.min"  },
-	{ "default",  5 * 1000L                       },
-};
-
-ircd::conf::item<ircd::milliseconds>
-ircd::m::sync::args::timeout_default
-{
-	{ "name",     "ircd.client.sync.timeout.default"  },
-	{ "default",  10 * 1000L                          },
-};
-
 decltype(ircd::m::sync::flush_hiwat)
 ircd::m::sync::flush_hiwat
 {
@@ -402,3 +381,48 @@ ircd::m::sync::longpoll::handle(data &data,
 {
 	return false;
 }
+
+//
+// sync/args.h
+//
+
+ircd::conf::item<ircd::milliseconds>
+ircd::m::sync::args::timeout_max
+{
+	{ "name",     "ircd.client.sync.timeout.max"  },
+	{ "default",  15 * 1000L                      },
+};
+
+ircd::conf::item<ircd::milliseconds>
+ircd::m::sync::args::timeout_min
+{
+	{ "name",     "ircd.client.sync.timeout.min"  },
+	{ "default",  5 * 1000L                       },
+};
+
+ircd::conf::item<ircd::milliseconds>
+ircd::m::sync::args::timeout_default
+{
+	{ "name",     "ircd.client.sync.timeout.default"  },
+	{ "default",  10 * 1000L                          },
+};
+
+//
+// args::args
+//
+
+ircd::m::sync::args::args(const resource::request &request)
+try
+:request
+{
+    request
+}
+{
+}
+catch(const bad_lex_cast &e)
+{
+    throw m::BAD_REQUEST
+    {
+        "Since parameter invalid :%s", e.what()
+    };
+}
diff --git a/modules/client/sync.h b/modules/client/sync.h
index 9dd6c2bd5..7db3fac99 100644
--- a/modules/client/sync.h
+++ b/modules/client/sync.h
@@ -77,11 +77,8 @@ namespace ircd::m::sync::polylog
 	static bool handle(data &);
 }
 
-/// Argument parser for the client's /sync request
 struct ircd::m::sync::args
 {
-	args(const resource::request &request);
-
 	static conf::item<milliseconds> timeout_max;
 	static conf::item<milliseconds> timeout_min;
 	static conf::item<milliseconds> timeout_default;
@@ -132,21 +129,6 @@ struct ircd::m::sync::args
 		// marked as being online when it uses this API. One of: ["offline"]
 		request.query.get("set_presence", true)
 	};
-};
 
-inline
-ircd::m::sync::args::args(const resource::request &request)
-try
-:request
-{
-	request
-}
-{
-}
-catch(const bad_lex_cast &e)
-{
-	throw m::BAD_REQUEST
-	{
-		"Since parameter invalid :%s", e.what()
-	};
-}
+	args(const resource::request &request);
+};