diff --git a/Cantera/src/thermo/ThermoPhase.h b/Cantera/src/thermo/ThermoPhase.h
index b1f844c51..3d5ddb577 100644
--- a/Cantera/src/thermo/ThermoPhase.h
+++ b/Cantera/src/thermo/ThermoPhase.h
@@ -1,5 +1,3 @@
-//HI
-
 /**
  *  @file ThermoPhase.h
  * Header file for class ThermoPhase, the base class for phases with