diff --git a/src/physical_constants_cgs.h b/src/physical_constants_cgs.h
index 5a7dbee8dcec160c15190b7a22954455074d78e8..1d44dae491961b60a596ec85b5ca589411516079 100644
--- a/src/physical_constants_cgs.h
+++ b/src/physical_constants_cgs.h
@@ -69,7 +69,7 @@ const double const_electron_mass_cgs = 9.10938356e-28;
 const double const_proton_mass_cgs = 1.672621898e-24;
 
 /*! Tropical year [s] */
-const double const_year_cgs = 3.15569252e7; /* s */
+const double const_year_cgs = 3.15569252e7;
 
 /*! Astronomical unit [cm] */
 const double const_astronomical_unit_cgs = 1.49597870700e13;