diff --git a/zdoom.vcproj b/zdoom.vcproj
index d101c531e7..a8d235bc98 100644
--- a/zdoom.vcproj
+++ b/zdoom.vcproj
@@ -1063,14 +1063,6 @@
 					RelativePath=".\src\thingdef\thingdef_exp.cpp"
 					>
 				</File>
-				<File
-					RelativePath=".\src\thingdef\thingdef_exp.h"
-					>
-				</File>
-				<File
-					RelativePath=".\src\thingdef\thingdef_exp_execute.cpp"
-					>
-				</File>
 				<File
 					RelativePath=".\src\thingdef\thingdef_main.cpp"
 					>