diff --git a/IPhreeqc.vcproj b/IPhreeqc.vcproj
index a21d9bda..7483c045 100644
--- a/IPhreeqc.vcproj
+++ b/IPhreeqc.vcproj
@@ -4191,10 +4191,6 @@
 			Name="Header Files"
 			Filter="h;hpp;hxx;hm;inl;fi;fd"
 			>
-			<File
-				RelativePath=".\src\phreeqcpp\char_star.h"
-				>
-			</File>
 			<File
 				RelativePath="src\CVar.hxx"
 				>