diff --git a/Visual Studio Projects/VAX730.vcproj b/Visual Studio Projects/VAX730.vcproj
index a37917cb..8a8ce62b 100644
--- a/Visual Studio Projects/VAX730.vcproj	
+++ b/Visual Studio Projects/VAX730.vcproj	
@@ -562,10 +562,6 @@
 			Name="Header Files"
 			Filter="h;hpp;hxx;hm;inl;inc"
 			>
-			<File
-				RelativePath="..\dec_dz.h"
-				>
-			</File>
 			<File
 				RelativePath="..\PDP11\pdp11_ddcmp.h"
 				>
diff --git a/Visual Studio Projects/VAX750.vcproj b/Visual Studio Projects/VAX750.vcproj
index 386a0c8a..952567f2 100644
--- a/Visual Studio Projects/VAX750.vcproj	
+++ b/Visual Studio Projects/VAX750.vcproj	
@@ -570,10 +570,6 @@
 			Name="Header Files"
 			Filter="h;hpp;hxx;hm;inl;inc"
 			>
-			<File
-				RelativePath="..\dec_dz.h"
-				>
-			</File>
 			<File
 				RelativePath="..\PDP11\pdp11_ddcmp.h"
 				>
diff --git a/Visual Studio Projects/VAX8200.vcproj b/Visual Studio Projects/VAX8200.vcproj
index 8c2b54bf..ce1f610b 100644
--- a/Visual Studio Projects/VAX8200.vcproj	
+++ b/Visual Studio Projects/VAX8200.vcproj	
@@ -566,10 +566,6 @@
 			Name="Header Files"
 			Filter="h;hpp;hxx;hm;inl;inc"
 			>
-			<File
-				RelativePath="..\dec_dz.h"
-				>
-			</File>
 			<File
 				RelativePath="..\PDP11\pdp11_ddcmp.h"
 				>