diff --git a/Visual Studio Projects/PDP10-KA.vcproj b/Visual Studio Projects/PDP10-KA.vcproj
index 732747d1..ce77a9fa 100644
--- a/Visual Studio Projects/PDP10-KA.vcproj	
+++ b/Visual Studio Projects/PDP10-KA.vcproj	
@@ -301,10 +301,6 @@
 				RelativePath="..\PDP10\kx10_imp.c"
 				>
 			</File>
-			<File
-				RelativePath="..\PDP10\kx10_imp.c"
-				>
-			</File>
 			<File
 				RelativePath="..\PDP10\kx10_lp.c"
 				>