diff --git a/src/systems/si/include/units/si/prefixes.h b/src/systems/si/include/units/si/prefixes.h
index eba32a3c..955a74ca 100644
--- a/src/systems/si/include/units/si/prefixes.h
+++ b/src/systems/si/include/units/si/prefixes.h
@@ -26,86 +26,48 @@
 
 namespace units::si {
 
-template<PrefixableUnit auto U>
-struct yocto_ : prefixed_unit<"y", mag_power<10, -24>, U> {};
-template<PrefixableUnit auto U>
-struct zepto_ : prefixed_unit<"z", mag_power<10, -21>, U> {};
-template<PrefixableUnit auto U>
-struct atto_ : prefixed_unit<"a", mag_power<10, -18>, U> {};
-template<PrefixableUnit auto U>
-struct femto_ : prefixed_unit<"f", mag_power<10, -15>, U> {};
-template<PrefixableUnit auto U>
-struct pico_ : prefixed_unit<"p", mag_power<10, -12>, U> {};
-template<PrefixableUnit auto U>
-struct nano_ : prefixed_unit<"n", mag_power<10, -9>, U> {};
-template<PrefixableUnit auto U>
-struct micro_ : prefixed_unit<basic_symbol_text{"\u00b5", "u"}, mag_power<10, -6>, U> {};
-template<PrefixableUnit auto U>
-struct milli_ : prefixed_unit<"m", mag_power<10, -3>, U> {};
-template<PrefixableUnit auto U>
-struct centi_ : prefixed_unit<"c", mag_power<10, -2>, U> {};
-template<PrefixableUnit auto U>
-struct deci_ : prefixed_unit<"d", mag_power<10, -1>, U> {};
-template<PrefixableUnit auto U>
-struct deca_ : prefixed_unit<"da", mag_power<10, 1>, U> {};
-template<PrefixableUnit auto U>
-struct hecto_ : prefixed_unit<"h", mag_power<10, 2>, U> {};
-template<PrefixableUnit auto U>
-struct kilo_ : prefixed_unit<"k", mag_power<10, 3>, U> {};
-template<PrefixableUnit auto U>
-struct mega_ : prefixed_unit<"M", mag_power<10, 6>, U> {};
-template<PrefixableUnit auto U>
-struct giga_ : prefixed_unit<"G", mag_power<10, 9>, U> {};
-template<PrefixableUnit auto U>
-struct tera_ : prefixed_unit<"T", mag_power<10, 12>, U> {};
-template<PrefixableUnit auto U>
-struct peta_ : prefixed_unit<"P", mag_power<10, 15>, U> {};
-template<PrefixableUnit auto U>
-struct exa_ : prefixed_unit<"E", mag_power<10, 18>, U> {};
-template<PrefixableUnit auto U>
-struct zetta_ : prefixed_unit<"Z", mag_power<10, 21>, U> {};
-template<PrefixableUnit auto U>
-struct yotta_ : prefixed_unit<"Y", mag_power<10, 24>, U> {};
+// clang-format off
+template<PrefixableUnit auto U> struct yocto_ : prefixed_unit<"y", mag_power<10, -24>, U> {};
+template<PrefixableUnit auto U> struct zepto_ : prefixed_unit<"z", mag_power<10, -21>, U> {};
+template<PrefixableUnit auto U> struct atto_  : prefixed_unit<"a", mag_power<10, -18>, U> {};
+template<PrefixableUnit auto U> struct femto_ : prefixed_unit<"f", mag_power<10, -15>, U> {};
+template<PrefixableUnit auto U> struct pico_  : prefixed_unit<"p", mag_power<10, -12>, U> {};
+template<PrefixableUnit auto U> struct nano_  : prefixed_unit<"n", mag_power<10, -9>, U> {};
+template<PrefixableUnit auto U> struct micro_ : prefixed_unit<basic_symbol_text{"\u00b5", "u"}, mag_power<10, -6>, U> {};
+template<PrefixableUnit auto U> struct milli_ : prefixed_unit<"m", mag_power<10, -3>, U> {};
+template<PrefixableUnit auto U> struct centi_ : prefixed_unit<"c", mag_power<10, -2>, U> {};
+template<PrefixableUnit auto U> struct deci_  : prefixed_unit<"d", mag_power<10, -1>, U> {};
+template<PrefixableUnit auto U> struct deca_  : prefixed_unit<"da", mag_power<10, 1>, U> {};
+template<PrefixableUnit auto U> struct hecto_ : prefixed_unit<"h", mag_power<10, 2>, U> {};
+template<PrefixableUnit auto U> struct kilo_  : prefixed_unit<"k", mag_power<10, 3>, U> {};
+template<PrefixableUnit auto U> struct mega_  : prefixed_unit<"M", mag_power<10, 6>, U> {};
+template<PrefixableUnit auto U> struct giga_  : prefixed_unit<"G", mag_power<10, 9>, U> {};
+template<PrefixableUnit auto U> struct tera_  : prefixed_unit<"T", mag_power<10, 12>, U> {};
+template<PrefixableUnit auto U> struct peta_  : prefixed_unit<"P", mag_power<10, 15>, U> {};
+template<PrefixableUnit auto U> struct exa_   : prefixed_unit<"E", mag_power<10, 18>, U> {};
+template<PrefixableUnit auto U> struct zetta_ : prefixed_unit<"Z", mag_power<10, 21>, U> {};
+template<PrefixableUnit auto U> struct yotta_ : prefixed_unit<"Y", mag_power<10, 24>, U> {};
 
-template<PrefixableUnit auto U>
-inline constexpr yocto_<U> yocto;
-template<PrefixableUnit auto U>
-inline constexpr zepto_<U> zepto;
-template<PrefixableUnit auto U>
-inline constexpr atto_<U> atto;
-template<PrefixableUnit auto U>
-inline constexpr femto_<U> femto;
-template<PrefixableUnit auto U>
-inline constexpr pico_<U> pico;
-template<PrefixableUnit auto U>
-inline constexpr nano_<U> nano;
-template<PrefixableUnit auto U>
-inline constexpr micro_<U> micro;
-template<PrefixableUnit auto U>
-inline constexpr milli_<U> milli;
-template<PrefixableUnit auto U>
-inline constexpr centi_<U> centi;
-template<PrefixableUnit auto U>
-inline constexpr deci_<U> deci;
-template<PrefixableUnit auto U>
-inline constexpr deca_<U> deca;
-template<PrefixableUnit auto U>
-inline constexpr hecto_<U> hecto;
-template<PrefixableUnit auto U>
-inline constexpr kilo_<U> kilo;
-template<PrefixableUnit auto U>
-inline constexpr mega_<U> mega;
-template<PrefixableUnit auto U>
-inline constexpr giga_<U> giga;
-template<PrefixableUnit auto U>
-inline constexpr tera_<U> tera;
-template<PrefixableUnit auto U>
-inline constexpr peta_<U> peta;
-template<PrefixableUnit auto U>
-inline constexpr exa_<U> exa;
-template<PrefixableUnit auto U>
-inline constexpr zetta_<U> zetta;
-template<PrefixableUnit auto U>
-inline constexpr yotta_<U> yotta;
+template<PrefixableUnit auto U> inline constexpr yocto_<U> yocto;
+template<PrefixableUnit auto U> inline constexpr zepto_<U> zepto;
+template<PrefixableUnit auto U> inline constexpr atto_<U> atto;
+template<PrefixableUnit auto U> inline constexpr femto_<U> femto;
+template<PrefixableUnit auto U> inline constexpr pico_<U> pico;
+template<PrefixableUnit auto U> inline constexpr nano_<U> nano;
+template<PrefixableUnit auto U> inline constexpr micro_<U> micro;
+template<PrefixableUnit auto U> inline constexpr milli_<U> milli;
+template<PrefixableUnit auto U> inline constexpr centi_<U> centi;
+template<PrefixableUnit auto U> inline constexpr deci_<U> deci;
+template<PrefixableUnit auto U> inline constexpr deca_<U> deca;
+template<PrefixableUnit auto U> inline constexpr hecto_<U> hecto;
+template<PrefixableUnit auto U> inline constexpr kilo_<U> kilo;
+template<PrefixableUnit auto U> inline constexpr mega_<U> mega;
+template<PrefixableUnit auto U> inline constexpr giga_<U> giga;
+template<PrefixableUnit auto U> inline constexpr tera_<U> tera;
+template<PrefixableUnit auto U> inline constexpr peta_<U> peta;
+template<PrefixableUnit auto U> inline constexpr exa_<U> exa;
+template<PrefixableUnit auto U> inline constexpr zetta_<U> zetta;
+template<PrefixableUnit auto U> inline constexpr yotta_<U> yotta;
+// clang-format on
 
 }  // namespace units::si