diff --git a/core/alien/dlls/authors.txt b/core/alien/dlls/authors.txt
deleted file mode 100644
index d4f5d6b3ae..0000000000
--- a/core/alien/dlls/authors.txt
+++ /dev/null
@@ -1 +0,0 @@
-Slava Pestov
\ No newline at end of file
diff --git a/core/alien/dlls/dlls.factor b/core/alien/dlls/dlls.factor
deleted file mode 100644
index ca0082c21a..0000000000
--- a/core/alien/dlls/dlls.factor
+++ /dev/null
@@ -1,4 +0,0 @@
-! Copyright (C) 2009 Slava Pestov.
-! See http://factorcode.org/license.txt for BSD license.
-USING: ;
-IN: alien.dlls