diff --git a/Cantera/src/thermo/PureFluidPhase.h b/Cantera/src/thermo/PureFluidPhase.h
index 7bd467299..30df53b3d 100644
--- a/Cantera/src/thermo/PureFluidPhase.h
+++ b/Cantera/src/thermo/PureFluidPhase.h
@@ -25,7 +25,6 @@
  * For doxygen to recognize the ifdef below, it seems necessary to 
  * include a specific include reference.
  */
-#include "../../../config.h"
 /**
  * This object is only available if the WITH_PURE_FLUIDS optional compile
  * capability has been turned on in Cantera's makefile system.