diff --git a/build/vc2013-bkl/vc2013/nana.vcxproj.filters b/build/vc2013-bkl/vc2013/nana.vcxproj.filters
deleted file mode 100644
index 2858b8fa..00000000
--- a/build/vc2013-bkl/vc2013/nana.vcxproj.filters
+++ /dev/null
@@ -1,261 +0,0 @@
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