diff --git a/include/ircd/allocator.h b/include/ircd/allocator.h
index 35f22fd6e..9bf4cb635 100644
--- a/include/ircd/allocator.h
+++ b/include/ircd/allocator.h
@@ -577,7 +577,7 @@ struct ircd::allocator::node<T>::allocator
 	auto address(const_reference x) const        { return &x;                                      }
 
 	template<class U, class... args>
-	void construct(U *p, args&&... a)
+	void construct(U *p, args&&... a) noexcept
 	{
 		new (p) U(std::forward<args>(a)...);
 	}
diff --git a/include/ircd/db/database/events.h b/include/ircd/db/database/events.h
index 3d578b061..c5ae98dba 100644
--- a/include/ircd/db/database/events.h
+++ b/include/ircd/db/database/events.h
@@ -34,6 +34,7 @@ struct ircd::db::database::events final
 	void OnStallConditionsChanged(const rocksdb::WriteStallInfo &) noexcept override;
 
 	events(database *const &d)
+	noexcept
 	:d{d}
 	{}
 };
diff --git a/include/ircd/db/database/prefix_transform.h b/include/ircd/db/database/prefix_transform.h
index e63f792e0..d497f7818 100644
--- a/include/ircd/db/database/prefix_transform.h
+++ b/include/ircd/db/database/prefix_transform.h
@@ -28,7 +28,9 @@ struct ircd::db::database::prefix_transform final
 	bool InRange(const Slice &key) const noexcept override;
 	Slice Transform(const Slice &key) const noexcept override;
 
-	prefix_transform(database *const &d, db::prefix_transform user)
+	prefix_transform(database *const &d,
+	                 db::prefix_transform user)
+	noexcept
 	:d{d}
 	,user{std::move(user)}
 	{}
diff --git a/include/ircd/net/wait.h b/include/ircd/net/wait.h
index 476e67131..ae068f0b5 100644
--- a/include/ircd/net/wait.h
+++ b/include/ircd/net/wait.h
@@ -58,19 +58,21 @@ struct ircd::net::wait_opts
 		-1
 	};
 
-	wait_opts(const ready &, const milliseconds &timeout);
-	wait_opts(const ready &);
+	wait_opts(const ready &, const milliseconds &timeout) noexcept;
+	wait_opts(const ready &) noexcept;
 	wait_opts() = default;
 };
 
 inline
 ircd::net::wait_opts::wait_opts(const ready &type)
+noexcept
 :type{type}
 {}
 
 inline
 ircd::net::wait_opts::wait_opts(const ready &type,
                                 const milliseconds &timeout)
+noexcept
 :type{type}
 ,timeout{timeout}
 {}
diff --git a/include/ircd/string_view.h b/include/ircd/string_view.h
index 46283ea3d..7b6f043d1 100644
--- a/include/ircd/string_view.h
+++ b/include/ircd/string_view.h
@@ -182,6 +182,7 @@ struct ircd::string_view
 	{}
 
 	string_view(const std::string &string)
+	noexcept
 	:string_view{string.data(), string.size()}
 	{}
 
diff --git a/include/ircd/util/unit_literal.h b/include/ircd/util/unit_literal.h
index 06e79850e..aa44867d0 100644
--- a/include/ircd/util/unit_literal.h
+++ b/include/ircd/util/unit_literal.h
@@ -23,6 +23,7 @@
 #define IRCD_UNIT_LITERAL_UL(name, morphism)        \
 constexpr auto                                      \
 operator"" _ ## name(const unsigned long long val)  \
+noexcept                                            \
 {                                                   \
     return (morphism);                              \
 }
@@ -32,6 +33,7 @@ operator"" _ ## name(const unsigned long long val)  \
 #define IRCD_UNIT_LITERAL_LL(name, morphism)        \
 constexpr auto                                      \
 operator"" _ ## name(const long long val)           \
+noexcept                                            \
 {                                                   \
     return (morphism);                              \
 }
@@ -41,6 +43,7 @@ operator"" _ ## name(const long long val)           \
 #define IRCD_UNIT_LITERAL_LD(name, morphism)        \
 constexpr auto                                      \
 operator"" _ ## name(const long double val)         \
+noexcept                                            \
 {                                                   \
     return (morphism);                              \
 }
diff --git a/ircd/net.cc b/ircd/net.cc
index 2b142cc2b..b29bf4764 100644
--- a/ircd/net.cc
+++ b/ircd/net.cc
@@ -488,8 +488,8 @@ noexcept
 // net/wait.h
 //
 
-ircd::net::wait_opts
-const ircd::net::wait_opts_default;
+decltype(ircd::net::wait_opts_default)
+ircd::net::wait_opts_default;
 
 /// Wait for socket to become "ready" using a ctx::future.
 ircd::ctx::future<void>