diff --git a/rockspecs/bin-5.1-0.rockspec b/rockspecs/bin-5.1-0.rockspec
index cbf08aa..4ece656 100644
--- a/rockspecs/bin-5.1-0.rockspec
+++ b/rockspecs/bin-5.1-0.rockspec
@@ -25,9 +25,6 @@ build = {
       ["bin.converters.base91"] = "bin/converters/base91.lua",
       ["bin.numbers.BigNum"] = "bin/numbers/BigNum.lua",
       ["bin.numbers.BigRat"] = "bin/numbers/BigRat.lua",
-      ["bin.numbers.bits"] = "bin/numbers/bits.lua",
-      ["bin.support.extrablocks"] = "bin/support/extrablocks.lua",
-      ["bin.numbers.infinabits"] = "bin/numbers/infinabits.lua",
       ["bin.compressors.lzw"] = "bin/compressors/lzw.lua",
       ["bin.hashes.md5"] = "bin/hashes/md5.lua",
       ["bin.numbers.no_jit_bit"] = "bin/numbers/no_jit_bit.lua",