diff --git a/build/bakefiles/files.bkl b/build/bakefiles/files.bkl
index 0a014ad717..1890f88028 100644
--- a/build/bakefiles/files.bkl
+++ b/build/bakefiles/files.bkl
@@ -2719,13 +2719,7 @@ IMPORTANT: please read docs/tech/tn0016.txt before modifying this file!
     src/univ/themes/win32.cpp
 </set>
 
-<set var="UNIV_PLATFORM_SRC" hints="files">
-</set>
-<set var="UNIV_PLATFORM_HDR" hints="files">
-</set>
-
 <set var="UNIV_SRC" hints="files">
-    $(UNIV_PLATFORM_SRC)
     src/generic/accel.cpp
     src/generic/clrpickerg.cpp
     src/generic/collpaneg.cpp
@@ -2779,7 +2773,6 @@ IMPORTANT: please read docs/tech/tn0016.txt before modifying this file!
     src/generic/activityindicator.cpp
 </set>
 <set var="UNIV_HDR" hints="files">
-    $(UNIV_PLATFORM_HDR)
     wx/generic/accel.h
     wx/generic/clrpickerg.h
     wx/generic/collpaneg.h