diff --git a/stepmania/src/Makefile.am b/stepmania/src/Makefile.am
index 0ded66db6b..8f3e549024 100644
--- a/stepmania/src/Makefile.am
+++ b/stepmania/src/Makefile.am
@@ -346,7 +346,7 @@ RageUtil_AutoPtr.h \
 RageUtil_WorkerThread.cpp RageUtil_WorkerThread.h
 
 Actors = \
-Actor.cpp Actor.h ActorCollision.h ActorFrame.cpp ActorFrame.h \
+Actor.cpp Actor.h ActorFrame.cpp ActorFrame.h \
 ActorScroller.cpp ActorScroller.h ActorUtil.cpp ActorUtil.h \
 ActorSound.cpp ActorSound.h \
 AutoActor.cpp AutoActor.h \
diff --git a/stepmania/src/StepMania-net2003.vcproj b/stepmania/src/StepMania-net2003.vcproj
index 8822753e14..154cf32436 100644
--- a/stepmania/src/StepMania-net2003.vcproj
+++ b/stepmania/src/StepMania-net2003.vcproj
@@ -2549,9 +2549,6 @@ cl /Zl /nologo /c verstub.cpp /Fo"$(IntDir)"\
 			<File
 				RelativePath=".\Actor.h">
 			</File>
-			<File
-				RelativePath="ActorCollision.h">
-			</File>
 			<File
 				RelativePath=".\ActorFrame.cpp">
 			</File>